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cve-2019-12524
Vulnerability from cvelistv5
Published
2020-04-15 18:35
Modified
2024-08-04 23:24
Severity ?
EPSS score ?
Summary
An issue was discovered in Squid through 4.7. When handling requests from users, Squid checks its rules to see if the request should be denied. Squid by default comes with rules to block access to the Cache Manager, which serves detailed server information meant for the maintainer. This rule is implemented via url_regex. The handler for url_regex rules URL decodes an incoming request. This allows an attacker to encode their URL to bypass the url_regex check, and gain access to the blocked resource.
References
{ containers: { adp: [ { providerMetadata: { dateUpdated: "2024-08-04T23:24:38.617Z", orgId: "af854a3a-2127-422b-91ae-364da2661108", shortName: "CVE", }, references: [ { tags: [ "x_refsource_MISC", "x_transferred", ], url: "https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12524.txt", }, { name: "DSA-4682", tags: [ "vendor-advisory", "x_refsource_DEBIAN", "x_transferred", ], url: "https://www.debian.org/security/2020/dsa-4682", }, { name: "[debian-lts-announce] 20200710 [SECURITY] [DLA 2278-1] squid3 security update", tags: [ "mailing-list", "x_refsource_MLIST", "x_transferred", ], url: "https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html", }, { name: "USN-4446-1", tags: [ "vendor-advisory", "x_refsource_UBUNTU", "x_transferred", ], url: "https://usn.ubuntu.com/4446-1/", }, { tags: [ "x_refsource_CONFIRM", "x_transferred", ], url: "https://security.netapp.com/advisory/ntap-20210205-0006/", }, ], title: "CVE Program Container", }, ], cna: { affected: [ { product: "n/a", vendor: "n/a", versions: [ { status: "affected", version: "n/a", }, ], }, ], descriptions: [ { lang: "en", value: "An issue was discovered in Squid through 4.7. When handling requests from users, Squid checks its rules to see if the request should be denied. Squid by default comes with rules to block access to the Cache Manager, which serves detailed server information meant for the maintainer. This rule is implemented via url_regex. The handler for url_regex rules URL decodes an incoming request. This allows an attacker to encode their URL to bypass the url_regex check, and gain access to the blocked resource.", }, ], problemTypes: [ { descriptions: [ { description: "n/a", lang: "en", type: "text", }, ], }, ], providerMetadata: { dateUpdated: "2021-02-05T11:06:15", orgId: "8254265b-2729-46b6-b9e3-3dfca2d5bfca", shortName: "mitre", }, references: [ { tags: [ "x_refsource_MISC", ], url: "https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12524.txt", }, { name: "DSA-4682", tags: [ "vendor-advisory", "x_refsource_DEBIAN", ], url: "https://www.debian.org/security/2020/dsa-4682", }, { name: "[debian-lts-announce] 20200710 [SECURITY] [DLA 2278-1] squid3 security update", tags: [ "mailing-list", "x_refsource_MLIST", ], url: "https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html", }, { name: "USN-4446-1", tags: [ "vendor-advisory", "x_refsource_UBUNTU", ], url: "https://usn.ubuntu.com/4446-1/", }, { tags: [ "x_refsource_CONFIRM", ], url: "https://security.netapp.com/advisory/ntap-20210205-0006/", }, ], x_legacyV4Record: { CVE_data_meta: { ASSIGNER: "cve@mitre.org", ID: "CVE-2019-12524", STATE: "PUBLIC", }, affects: { vendor: { vendor_data: [ { product: { product_data: [ { product_name: "n/a", version: { version_data: [ { version_value: "n/a", }, ], }, }, ], }, vendor_name: "n/a", }, ], }, }, data_format: "MITRE", data_type: "CVE", data_version: "4.0", description: { description_data: [ { lang: "eng", value: "An issue was discovered in Squid through 4.7. When handling requests from users, Squid checks its rules to see if the request should be denied. Squid by default comes with rules to block access to the Cache Manager, which serves detailed server information meant for the maintainer. This rule is implemented via url_regex. The handler for url_regex rules URL decodes an incoming request. This allows an attacker to encode their URL to bypass the url_regex check, and gain access to the blocked resource.", }, ], }, problemtype: { problemtype_data: [ { description: [ { lang: "eng", value: "n/a", }, ], }, ], }, references: { reference_data: [ { name: "https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12524.txt", refsource: "MISC", url: "https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12524.txt", }, { name: "DSA-4682", refsource: "DEBIAN", url: "https://www.debian.org/security/2020/dsa-4682", }, { name: "[debian-lts-announce] 20200710 [SECURITY] [DLA 2278-1] squid3 security update", refsource: "MLIST", url: "https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html", }, { name: "USN-4446-1", refsource: "UBUNTU", url: "https://usn.ubuntu.com/4446-1/", }, { name: "https://security.netapp.com/advisory/ntap-20210205-0006/", refsource: "CONFIRM", url: "https://security.netapp.com/advisory/ntap-20210205-0006/", }, ], }, }, }, }, cveMetadata: { assignerOrgId: "8254265b-2729-46b6-b9e3-3dfca2d5bfca", assignerShortName: "mitre", cveId: "CVE-2019-12524", datePublished: "2020-04-15T18:35:11", dateReserved: "2019-06-02T00:00:00", dateUpdated: "2024-08-04T23:24:38.617Z", state: "PUBLISHED", }, dataType: "CVE_RECORD", dataVersion: "5.1", "vulnerability-lookup:meta": { fkie_nvd: { configurations: "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*\", \"versionEndIncluding\": \"4.7\", \"matchCriteriaId\": \"A5584C95-5CB1-4D45-8C05-633746AE2AB4\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"DEECE5FC-CACF-4496-A3E7-164736409252\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*\", \"matchCriteriaId\": \"F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*\", \"matchCriteriaId\": \"23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D\"}]}]}]", descriptions: "[{\"lang\": \"en\", \"value\": \"An issue was discovered in Squid through 4.7. When handling requests from users, Squid checks its rules to see if the request should be denied. Squid by default comes with rules to block access to the Cache Manager, which serves detailed server information meant for the maintainer. This rule is implemented via url_regex. The handler for url_regex rules URL decodes an incoming request. This allows an attacker to encode their URL to bypass the url_regex check, and gain access to the blocked resource.\"}, {\"lang\": \"es\", \"value\": \"Se detect\\u00f3 un problema en Squid versiones hasta 4.7. Al manejar las peticiones de los usuarios, Squid verifica sus reglas para visualizar si la petici\\u00f3n debe ser denegada. Squid por defecto viene con reglas para bloquear el acceso al Cache Manager, que sirve informaci\\u00f3n detallada del servidor destinada al mantenedor. Esta regla es implementada por medio de url_regex. El manejador de reglas URL de url_regex decodifica una petici\\u00f3n entrante. Esto permite a un atacante codificar su URL para omitir la comprobaci\\u00f3n de url_regex y obtener acceso al recurso bloqueado.\"}]", id: "CVE-2019-12524", lastModified: "2024-11-21T04:23:02.080", metrics: "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 9.8, \"baseSeverity\": \"CRITICAL\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:P/I:P/A:P\", \"baseScore\": 7.5, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"HIGH\", \"exploitabilityScore\": 10.0, \"impactScore\": 6.4, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}", published: "2020-04-15T19:15:12.533", references: "[{\"url\": \"https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12524.txt\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html\", \"source\": \"cve@mitre.org\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20210205-0006/\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://usn.ubuntu.com/4446-1/\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.debian.org/security/2020/dsa-4682\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12524.txt\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20210205-0006/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://usn.ubuntu.com/4446-1/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.debian.org/security/2020/dsa-4682\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}]", sourceIdentifier: "cve@mitre.org", vulnStatus: "Modified", weaknesses: "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-306\"}]}]", }, nvd: "{\"cve\":{\"id\":\"CVE-2019-12524\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2020-04-15T19:15:12.533\",\"lastModified\":\"2024-11-21T04:23:02.080\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An issue was discovered in Squid through 4.7. When handling requests from users, Squid checks its rules to see if the request should be denied. Squid by default comes with rules to block access to the Cache Manager, which serves detailed server information meant for the maintainer. This rule is implemented via url_regex. The handler for url_regex rules URL decodes an incoming request. This allows an attacker to encode their URL to bypass the url_regex check, and gain access to the blocked resource.\"},{\"lang\":\"es\",\"value\":\"Se detectó un problema en Squid versiones hasta 4.7. Al manejar las peticiones de los usuarios, Squid verifica sus reglas para visualizar si la petición debe ser denegada. Squid por defecto viene con reglas para bloquear el acceso al Cache Manager, que sirve información detallada del servidor destinada al mantenedor. Esta regla es implementada por medio de url_regex. El manejador de reglas URL de url_regex decodifica una petición entrante. Esto permite a un atacante codificar su URL para omitir la comprobación de url_regex y obtener acceso al recurso bloqueado.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":7.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-306\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"4.7\",\"matchCriteriaId\":\"A5584C95-5CB1-4D45-8C05-633746AE2AB4\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DEECE5FC-CACF-4496-A3E7-164736409252\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D\"}]}]}],\"references\":[{\"url\":\"https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12524.txt\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20210205-0006/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://usn.ubuntu.com/4446-1/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2020/dsa-4682\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12524.txt\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20210205-0006/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://usn.ubuntu.com/4446-1/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2020/dsa-4682\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}", }, }
suse-su-2020:14460-1
Vulnerability from csaf_suse
Published
2020-08-24 12:06
Modified
2020-08-24 12:06
Summary
Security update for squid3
Notes
Title of the patch
Security update for squid3
Description of the patch
This update for squid3 fixes the following issues:
- Fixed a Cache Poisoning and Request Smuggling
attack (CVE-2020-15049, bsc#1173455)
- Fixed incorrect buffer handling that can
result in cache poisoning, remote execution, and
denial of service attacks when processing ESI responses
(CVE-2019-12519, CVE-2019-12521, bsc#1169659)
- Fixed handling of hostname in
cachemgr.cgi (CVE-2019-18860, bsc#1167373)
- Fixed a potential remote execution vulnerability
when using HTTP Digest Authentication (CVE-2020-11945, bsc#1170313)
- Fixed a potential ACL bypass, cache-bypass
and cross-site scripting attack when processing invalid HTTP
Request messages (CVE-2019-12520, CVE-2019-12524, bsc#1170423)
- Fixed a potential denial of service when
processing TLS certificates during HTTPS connections
(CVE-2020-14059, bsc#1173304)
- Fixed a potential denial of service associated
with incorrect buffer management of HTTP Basic Authentication
credentials (bsc#1141329, CVE-2019-12529)
- Fixed an incorrect buffer management resulting
in vulnerability to a denial of service during processing of
HTTP Digest Authentication credentials (bsc#1141332, CVE-2019-12525)
- Fix XSS via user_name or auth parameter
in cachemgr.cgi (bsc#1140738, CVE-2019-13345)
- Fixed a potential code execution vulnerability
(CVE-2019-12526, bsc#1156326)
- Fixed HTTP Request Splitting in HTTP
message processing and information disclosure in
HTTP Digest Authentication
(CVE-2019-18678, CVE-2019-18679, bsc#1156323, bsc#1156324)
- Fixed a security issue allowing a remote
client ability to cause use a buffer overflow when squid is
acting as reverse-proxy.
(CVE-2020-8449, CVE-2020-8450, bsc#1162687)
- Fixed a security issue allowing for information
disclosure in FTP gateway (CVE-2019-12528, bsc#1162689)
- Fixed a security issue in ext_lm_group_acl
when processing NTLM Authentication credentials.
(CVE-2020-8517, bsc#1162691)
- Fixed Cross-Site Request Forgery in
HTTP Request processing (CVE-2019-18677, bsc#1156328)
- Disable urn parsing and parsing of
unknown schemes (bsc#1156329, CVE-2019-12523, CVE-2019-18676)
Patchnames
sleposp3-squid3-14460,slessp4-squid3-14460
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
{ document: { aggregate_severity: { namespace: "https://www.suse.com/support/security/rating/", text: "important", }, category: "csaf_security_advisory", csaf_version: "2.0", distribution: { text: "Copyright 2024 SUSE LLC. All rights reserved.", tlp: { label: "WHITE", url: "https://www.first.org/tlp/", }, }, lang: "en", notes: [ { category: "summary", text: "Security update for squid3", title: "Title of the patch", }, { category: "description", text: "This update for squid3 fixes the following issues:\n\n- Fixed a Cache Poisoning and Request Smuggling\n attack (CVE-2020-15049, bsc#1173455)\n- Fixed incorrect buffer handling that can\n result in cache poisoning, remote execution, and\n denial of service attacks when processing ESI responses\n (CVE-2019-12519, CVE-2019-12521, bsc#1169659)\n\n- Fixed handling of hostname in\n cachemgr.cgi (CVE-2019-18860, bsc#1167373)\n- Fixed a potential remote execution vulnerability\n when using HTTP Digest Authentication (CVE-2020-11945, bsc#1170313)\n- Fixed a potential ACL bypass, cache-bypass\n and cross-site scripting attack when processing invalid HTTP\n Request messages (CVE-2019-12520, CVE-2019-12524, bsc#1170423)\n- Fixed a potential denial of service when\n processing TLS certificates during HTTPS connections\n (CVE-2020-14059, bsc#1173304)\n\n- Fixed a potential denial of service associated\n with incorrect buffer management of HTTP Basic Authentication\n credentials (bsc#1141329, CVE-2019-12529)\n- Fixed an incorrect buffer management resulting\n in vulnerability to a denial of service during processing of\n HTTP Digest Authentication credentials (bsc#1141332, CVE-2019-12525)\n- Fix XSS via user_name or auth parameter\n in cachemgr.cgi (bsc#1140738, CVE-2019-13345)\n- Fixed a potential code execution vulnerability\n (CVE-2019-12526, bsc#1156326)\n- Fixed HTTP Request Splitting in HTTP\n message processing and information disclosure in\n HTTP Digest Authentication\n (CVE-2019-18678, CVE-2019-18679, bsc#1156323, bsc#1156324)\n- Fixed a security issue allowing a remote\n client ability to cause use a buffer overflow when squid is\n acting as reverse-proxy.\n (CVE-2020-8449, CVE-2020-8450, bsc#1162687)\n- Fixed a security issue allowing for information\n disclosure in FTP gateway (CVE-2019-12528, bsc#1162689)\n- Fixed a security issue in ext_lm_group_acl\n when processing NTLM Authentication credentials.\n (CVE-2020-8517, bsc#1162691)\n\n- Fixed Cross-Site Request Forgery in\n HTTP Request processing (CVE-2019-18677, bsc#1156328)\n\n- Disable urn parsing and parsing of\n unknown schemes (bsc#1156329, CVE-2019-12523, CVE-2019-18676)\n", title: "Description of the patch", }, { category: "details", text: "sleposp3-squid3-14460,slessp4-squid3-14460", title: "Patchnames", }, { category: "legal_disclaimer", text: "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).", title: "Terms of use", }, ], publisher: { category: "vendor", contact_details: "https://www.suse.com/support/security/contact/", name: "SUSE Product Security Team", namespace: "https://www.suse.com/", }, references: [ { category: "external", summary: "SUSE ratings", url: "https://www.suse.com/support/security/rating/", }, { category: "self", summary: "URL of this CSAF notice", url: "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2020_14460-1.json", }, { category: "self", summary: "URL for SUSE-SU-2020:14460-1", url: "https://www.suse.com/support/update/announcement/2020/suse-su-202014460-1/", }, { category: "self", summary: "E-Mail link for SUSE-SU-2020:14460-1", url: "https://lists.suse.com/pipermail/sle-security-updates/2020-August/007289.html", }, { category: "self", summary: "SUSE Bug 1140738", url: "https://bugzilla.suse.com/1140738", }, { category: "self", summary: "SUSE Bug 1141329", url: "https://bugzilla.suse.com/1141329", }, { category: "self", summary: "SUSE Bug 1141332", url: "https://bugzilla.suse.com/1141332", }, { category: "self", summary: "SUSE Bug 1156323", url: "https://bugzilla.suse.com/1156323", }, { category: "self", summary: "SUSE Bug 1156324", url: "https://bugzilla.suse.com/1156324", }, { category: "self", summary: "SUSE Bug 1156326", url: "https://bugzilla.suse.com/1156326", }, { category: "self", summary: "SUSE Bug 1156328", url: "https://bugzilla.suse.com/1156328", }, { category: "self", summary: "SUSE Bug 1156329", url: "https://bugzilla.suse.com/1156329", }, { category: "self", summary: "SUSE Bug 1162687", url: "https://bugzilla.suse.com/1162687", }, { category: "self", summary: "SUSE Bug 1162689", url: "https://bugzilla.suse.com/1162689", }, { category: "self", summary: "SUSE Bug 1162691", url: "https://bugzilla.suse.com/1162691", }, { category: "self", summary: "SUSE Bug 1167373", url: "https://bugzilla.suse.com/1167373", }, { category: "self", summary: "SUSE Bug 1169659", url: "https://bugzilla.suse.com/1169659", }, { category: "self", summary: "SUSE Bug 1170313", url: "https://bugzilla.suse.com/1170313", }, { category: "self", summary: "SUSE Bug 1170423", url: "https://bugzilla.suse.com/1170423", }, { category: "self", summary: "SUSE Bug 1173304", url: "https://bugzilla.suse.com/1173304", }, { category: "self", summary: "SUSE Bug 1173455", url: "https://bugzilla.suse.com/1173455", }, { category: "self", summary: "SUSE CVE CVE-2019-12519 page", url: "https://www.suse.com/security/cve/CVE-2019-12519/", }, { category: "self", summary: "SUSE CVE CVE-2019-12520 page", url: "https://www.suse.com/security/cve/CVE-2019-12520/", }, { category: "self", summary: "SUSE CVE CVE-2019-12521 page", url: "https://www.suse.com/security/cve/CVE-2019-12521/", }, { category: "self", summary: "SUSE CVE CVE-2019-12523 page", url: "https://www.suse.com/security/cve/CVE-2019-12523/", }, { category: "self", summary: "SUSE CVE CVE-2019-12524 page", url: "https://www.suse.com/security/cve/CVE-2019-12524/", }, { category: "self", summary: "SUSE CVE CVE-2019-12525 page", url: "https://www.suse.com/security/cve/CVE-2019-12525/", }, { category: "self", summary: "SUSE CVE CVE-2019-12526 page", url: "https://www.suse.com/security/cve/CVE-2019-12526/", }, { category: "self", summary: "SUSE CVE CVE-2019-12528 page", url: "https://www.suse.com/security/cve/CVE-2019-12528/", }, { category: "self", summary: "SUSE CVE CVE-2019-12529 page", url: "https://www.suse.com/security/cve/CVE-2019-12529/", }, { category: "self", summary: "SUSE CVE CVE-2019-13345 page", url: "https://www.suse.com/security/cve/CVE-2019-13345/", }, { category: "self", summary: "SUSE CVE CVE-2019-18676 page", url: "https://www.suse.com/security/cve/CVE-2019-18676/", }, { category: "self", summary: "SUSE CVE CVE-2019-18677 page", url: "https://www.suse.com/security/cve/CVE-2019-18677/", }, { category: "self", summary: "SUSE CVE CVE-2019-18678 page", url: "https://www.suse.com/security/cve/CVE-2019-18678/", }, { category: "self", summary: "SUSE CVE CVE-2019-18679 page", url: "https://www.suse.com/security/cve/CVE-2019-18679/", }, { category: "self", summary: "SUSE CVE CVE-2019-18860 page", url: "https://www.suse.com/security/cve/CVE-2019-18860/", }, { category: "self", summary: "SUSE CVE CVE-2020-11945 page", url: "https://www.suse.com/security/cve/CVE-2020-11945/", }, { category: "self", summary: "SUSE CVE CVE-2020-14059 page", url: "https://www.suse.com/security/cve/CVE-2020-14059/", }, { category: "self", summary: "SUSE CVE CVE-2020-15049 page", url: "https://www.suse.com/security/cve/CVE-2020-15049/", }, { category: "self", summary: "SUSE CVE CVE-2020-8449 page", url: "https://www.suse.com/security/cve/CVE-2020-8449/", }, { category: "self", summary: "SUSE CVE CVE-2020-8450 page", url: "https://www.suse.com/security/cve/CVE-2020-8450/", }, { category: "self", summary: "SUSE CVE CVE-2020-8517 page", url: "https://www.suse.com/security/cve/CVE-2020-8517/", }, ], title: "Security update for squid3", tracking: { current_release_date: "2020-08-24T12:06:51Z", generator: { date: "2020-08-24T12:06:51Z", engine: { name: "cve-database.git:bin/generate-csaf.pl", version: "1", }, }, id: "SUSE-SU-2020:14460-1", initial_release_date: "2020-08-24T12:06:51Z", revision_history: [ { date: "2020-08-24T12:06:51Z", number: "1", summary: "Current version", }, ], status: "final", version: "1", }, }, product_tree: { branches: [ { branches: [ { branches: [ { category: "product_version", name: "squid3-3.1.23-8.16.37.12.1.i586", product: { name: "squid3-3.1.23-8.16.37.12.1.i586", product_id: "squid3-3.1.23-8.16.37.12.1.i586", }, }, ], category: "architecture", name: "i586", }, { branches: [ { category: "product_version", name: "squid3-3.1.23-8.16.37.12.1.ppc64", product: { name: "squid3-3.1.23-8.16.37.12.1.ppc64", product_id: "squid3-3.1.23-8.16.37.12.1.ppc64", }, }, ], category: "architecture", name: "ppc64", }, { branches: [ { category: "product_version", name: "squid3-3.1.23-8.16.37.12.1.s390x", product: { name: "squid3-3.1.23-8.16.37.12.1.s390x", product_id: "squid3-3.1.23-8.16.37.12.1.s390x", }, }, ], category: "architecture", name: "s390x", }, { branches: [ { category: "product_version", name: "squid3-3.1.23-8.16.37.12.1.x86_64", product: { name: "squid3-3.1.23-8.16.37.12.1.x86_64", product_id: "squid3-3.1.23-8.16.37.12.1.x86_64", }, }, ], category: "architecture", name: "x86_64", }, { branches: [ { category: "product_name", name: "SUSE Linux Enterprise Point of Sale 11 SP3", product: { name: "SUSE Linux Enterprise Point of Sale 11 SP3", product_id: "SUSE Linux Enterprise Point of Sale 11 SP3", product_identification_helper: { cpe: "cpe:/o:suse:sle-pos:11:sp3", }, }, }, { category: "product_name", name: "SUSE Linux Enterprise Server 11 SP4-LTSS", product: { name: "SUSE Linux Enterprise Server 11 SP4-LTSS", product_id: "SUSE Linux Enterprise Server 11 SP4-LTSS", product_identification_helper: { cpe: "cpe:/o:suse:suse_sles:11:sp4", }, }, }, ], category: "product_family", name: "SUSE Linux Enterprise", }, ], category: "vendor", name: "SUSE", }, ], relationships: [ { category: "default_component_of", full_product_name: { name: "squid3-3.1.23-8.16.37.12.1.i586 as component of SUSE Linux Enterprise Point of Sale 11 SP3", product_id: "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", }, product_reference: "squid3-3.1.23-8.16.37.12.1.i586", relates_to_product_reference: "SUSE Linux Enterprise Point of Sale 11 SP3", }, { category: "default_component_of", full_product_name: { name: "squid3-3.1.23-8.16.37.12.1.i586 as component of SUSE Linux Enterprise Server 11 SP4-LTSS", product_id: "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", }, product_reference: "squid3-3.1.23-8.16.37.12.1.i586", relates_to_product_reference: "SUSE Linux Enterprise Server 11 SP4-LTSS", }, { category: "default_component_of", full_product_name: { name: "squid3-3.1.23-8.16.37.12.1.ppc64 as component of SUSE Linux Enterprise Server 11 SP4-LTSS", product_id: "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", }, product_reference: "squid3-3.1.23-8.16.37.12.1.ppc64", relates_to_product_reference: "SUSE Linux Enterprise Server 11 SP4-LTSS", }, { category: "default_component_of", full_product_name: { name: "squid3-3.1.23-8.16.37.12.1.s390x as component of SUSE Linux Enterprise Server 11 SP4-LTSS", product_id: "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", }, product_reference: "squid3-3.1.23-8.16.37.12.1.s390x", relates_to_product_reference: "SUSE Linux Enterprise Server 11 SP4-LTSS", }, { category: "default_component_of", full_product_name: { name: "squid3-3.1.23-8.16.37.12.1.x86_64 as component of SUSE Linux Enterprise Server 11 SP4-LTSS", product_id: "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", }, product_reference: "squid3-3.1.23-8.16.37.12.1.x86_64", relates_to_product_reference: "SUSE Linux Enterprise Server 11 SP4-LTSS", }, ], }, vulnerabilities: [ { cve: "CVE-2019-12519", ids: [ { system_name: "SUSE CVE Page", text: "https://www.suse.com/security/cve/CVE-2019-12519", }, ], notes: [ { category: "general", text: "An issue was discovered in Squid through 4.7. When handling the tag esi:when when ESI is enabled, Squid calls ESIExpression::Evaluate. This function uses a fixed stack buffer to hold the expression while it's being evaluated. When processing the expression, it could either evaluate the top of the stack, or add a new member to the stack. When adding a new member, there is no check to ensure that the stack won't overflow.", title: "CVE description", }, ], product_status: { recommended: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, references: [ { category: "external", summary: "CVE-2019-12519", url: "https://www.suse.com/security/cve/CVE-2019-12519", }, { category: "external", summary: "SUSE Bug 1169659 for CVE-2019-12519", url: "https://bugzilla.suse.com/1169659", }, ], remediations: [ { category: "vendor_fix", details: "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", product_ids: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], scores: [ { cvss_v3: { baseScore: 7.6, baseSeverity: "HIGH", vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H", version: "3.1", }, products: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], threats: [ { category: "impact", date: "2020-08-24T12:06:51Z", details: "important", }, ], title: "CVE-2019-12519", }, { cve: "CVE-2019-12520", ids: [ { system_name: "SUSE CVE Page", text: "https://www.suse.com/security/cve/CVE-2019-12520", }, ], notes: [ { category: "general", text: "An issue was discovered in Squid through 4.7 and 5. When receiving a request, Squid checks its cache to see if it can serve up a response. It does this by making a MD5 hash of the absolute URL of the request. If found, it servers the request. The absolute URL can include the decoded UserInfo (username and password) for certain protocols. This decoded info is prepended to the domain. This allows an attacker to provide a username that has special characters to delimit the domain, and treat the rest of the URL as a path or query string. An attacker could first make a request to their domain using an encoded username, then when a request for the target domain comes in that decodes to the exact URL, it will serve the attacker's HTML instead of the real HTML. On Squid servers that also act as reverse proxies, this allows an attacker to gain access to features that only reverse proxies can use, such as ESI.", title: "CVE description", }, ], product_status: { recommended: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, references: [ { category: "external", summary: "CVE-2019-12520", url: "https://www.suse.com/security/cve/CVE-2019-12520", }, { category: "external", summary: "SUSE Bug 1169666 for CVE-2019-12520", url: "https://bugzilla.suse.com/1169666", }, { category: "external", summary: "SUSE Bug 1170423 for CVE-2019-12520", url: "https://bugzilla.suse.com/1170423", }, ], remediations: [ { category: "vendor_fix", details: "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", product_ids: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], scores: [ { cvss_v3: { baseScore: 5.8, baseSeverity: "MEDIUM", vectorString: "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N", version: "3.1", }, products: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], threats: [ { category: "impact", date: "2020-08-24T12:06:51Z", details: "moderate", }, ], title: "CVE-2019-12520", }, { cve: "CVE-2019-12521", ids: [ { system_name: "SUSE CVE Page", text: "https://www.suse.com/security/cve/CVE-2019-12521", }, ], notes: [ { category: "general", text: "An issue was discovered in Squid through 4.7. When Squid is parsing ESI, it keeps the ESI elements in ESIContext. ESIContext contains a buffer for holding a stack of ESIElements. When a new ESIElement is parsed, it is added via addStackElement. addStackElement has a check for the number of elements in this buffer, but it's off by 1, leading to a Heap Overflow of 1 element. The overflow is within the same structure so it can't affect adjacent memory blocks, and thus just leads to a crash while processing.", title: "CVE description", }, ], product_status: { recommended: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, references: [ { category: "external", summary: "CVE-2019-12521", url: "https://www.suse.com/security/cve/CVE-2019-12521", }, { category: "external", summary: "SUSE Bug 1169659 for CVE-2019-12521", url: "https://bugzilla.suse.com/1169659", }, ], remediations: [ { category: "vendor_fix", details: "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", product_ids: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], scores: [ { cvss_v3: { baseScore: 6.5, baseSeverity: "MEDIUM", vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", version: "3.1", }, products: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], threats: [ { category: "impact", date: "2020-08-24T12:06:51Z", details: "important", }, ], title: "CVE-2019-12521", }, { cve: "CVE-2019-12523", ids: [ { system_name: "SUSE CVE Page", text: "https://www.suse.com/security/cve/CVE-2019-12523", }, ], notes: [ { category: "general", text: "An issue was discovered in Squid before 4.9. When handling a URN request, a corresponding HTTP request is made. This HTTP request doesn't go through the access checks that incoming HTTP requests go through. This causes all access checks to be bypassed and allows access to restricted HTTP servers, e.g., an attacker can connect to HTTP servers that only listen on localhost.", title: "CVE description", }, ], product_status: { recommended: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, references: [ { category: "external", summary: "CVE-2019-12523", url: "https://www.suse.com/security/cve/CVE-2019-12523", }, { category: "external", summary: "SUSE Bug 1156329 for CVE-2019-12523", url: "https://bugzilla.suse.com/1156329", }, { category: "external", summary: "SUSE Bug 1165586 for CVE-2019-12523", url: "https://bugzilla.suse.com/1165586", }, ], remediations: [ { category: "vendor_fix", details: "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", product_ids: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], scores: [ { cvss_v3: { baseScore: 7.4, baseSeverity: "HIGH", vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", version: "3.1", }, products: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], threats: [ { category: "impact", date: "2020-08-24T12:06:51Z", details: "important", }, ], title: "CVE-2019-12523", }, { cve: "CVE-2019-12524", ids: [ { system_name: "SUSE CVE Page", text: "https://www.suse.com/security/cve/CVE-2019-12524", }, ], notes: [ { category: "general", text: "An issue was discovered in Squid through 4.7. When handling requests from users, Squid checks its rules to see if the request should be denied. Squid by default comes with rules to block access to the Cache Manager, which serves detailed server information meant for the maintainer. This rule is implemented via url_regex. The handler for url_regex rules URL decodes an incoming request. This allows an attacker to encode their URL to bypass the url_regex check, and gain access to the blocked resource.", title: "CVE description", }, ], product_status: { recommended: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, references: [ { category: "external", summary: "CVE-2019-12524", url: "https://www.suse.com/security/cve/CVE-2019-12524", }, { category: "external", summary: "SUSE Bug 1169666 for CVE-2019-12524", url: "https://bugzilla.suse.com/1169666", }, { category: "external", summary: "SUSE Bug 1170423 for CVE-2019-12524", url: "https://bugzilla.suse.com/1170423", }, ], remediations: [ { category: "vendor_fix", details: "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", product_ids: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], scores: [ { cvss_v3: { baseScore: 5.8, baseSeverity: "MEDIUM", vectorString: "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N", version: "3.1", }, products: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], threats: [ { category: "impact", date: "2020-08-24T12:06:51Z", details: "moderate", }, ], title: "CVE-2019-12524", }, { cve: "CVE-2019-12525", ids: [ { system_name: "SUSE CVE Page", text: "https://www.suse.com/security/cve/CVE-2019-12525", }, ], notes: [ { category: "general", text: "An issue was discovered in Squid 3.3.9 through 3.5.28 and 4.x through 4.7. When Squid is configured to use Digest authentication, it parses the header Proxy-Authorization. It searches for certain tokens such as domain, uri, and qop. Squid checks if this token's value starts with a quote and ends with one. If so, it performs a memcpy of its length minus 2. Squid never checks whether the value is just a single quote (which would satisfy its requirements), leading to a memcpy of its length minus 1.", title: "CVE description", }, ], product_status: { recommended: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, references: [ { category: "external", summary: "CVE-2019-12525", url: "https://www.suse.com/security/cve/CVE-2019-12525", }, { category: "external", summary: "SUSE Bug 1141332 for CVE-2019-12525", url: "https://bugzilla.suse.com/1141332", }, ], remediations: [ { category: "vendor_fix", details: "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", product_ids: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], scores: [ { cvss_v3: { baseScore: 7.5, baseSeverity: "HIGH", vectorString: "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", version: "3.0", }, products: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], threats: [ { category: "impact", date: "2020-08-24T12:06:51Z", details: "important", }, ], title: "CVE-2019-12525", }, { cve: "CVE-2019-12526", ids: [ { system_name: "SUSE CVE Page", text: "https://www.suse.com/security/cve/CVE-2019-12526", }, ], notes: [ { category: "general", text: "An issue was discovered in Squid before 4.9. URN response handling in Squid suffers from a heap-based buffer overflow. When receiving data from a remote server in response to an URN request, Squid fails to ensure that the response can fit within the buffer. This leads to attacker controlled data overflowing in the heap.", title: "CVE description", }, ], product_status: { recommended: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, references: [ { category: "external", summary: "CVE-2019-12526", url: "https://www.suse.com/security/cve/CVE-2019-12526", }, { category: "external", summary: "SUSE Bug 1156326 for CVE-2019-12526", url: "https://bugzilla.suse.com/1156326", }, ], remediations: [ { category: "vendor_fix", details: "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", product_ids: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], scores: [ { cvss_v3: { baseScore: 8.1, baseSeverity: "HIGH", vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", version: "3.1", }, products: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], threats: [ { category: "impact", date: "2020-08-24T12:06:51Z", details: "important", }, ], title: "CVE-2019-12526", }, { cve: "CVE-2019-12528", ids: [ { system_name: "SUSE CVE Page", text: "https://www.suse.com/security/cve/CVE-2019-12528", }, ], notes: [ { category: "general", text: "An issue was discovered in Squid before 4.10. It allows a crafted FTP server to trigger disclosure of sensitive information from heap memory, such as information associated with other users' sessions or non-Squid processes.", title: "CVE description", }, ], product_status: { recommended: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, references: [ { category: "external", summary: "CVE-2019-12528", url: "https://www.suse.com/security/cve/CVE-2019-12528", }, { category: "external", summary: "SUSE Bug 1162689 for CVE-2019-12528", url: "https://bugzilla.suse.com/1162689", }, ], remediations: [ { category: "vendor_fix", details: "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", product_ids: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], scores: [ { cvss_v3: { baseScore: 5.9, baseSeverity: "MEDIUM", vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", version: "3.1", }, products: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], threats: [ { category: "impact", date: "2020-08-24T12:06:51Z", details: "moderate", }, ], title: "CVE-2019-12528", }, { cve: "CVE-2019-12529", ids: [ { system_name: "SUSE CVE Page", text: "https://www.suse.com/security/cve/CVE-2019-12529", }, ], notes: [ { category: "general", text: "An issue was discovered in Squid 2.x through 2.7.STABLE9, 3.x through 3.5.28, and 4.x through 4.7. When Squid is configured to use Basic Authentication, the Proxy-Authorization header is parsed via uudecode. uudecode determines how many bytes will be decoded by iterating over the input and checking its table. The length is then used to start decoding the string. There are no checks to ensure that the length it calculates isn't greater than the input buffer. This leads to adjacent memory being decoded as well. An attacker would not be able to retrieve the decoded data unless the Squid maintainer had configured the display of usernames on error pages.", title: "CVE description", }, ], product_status: { recommended: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, references: [ { category: "external", summary: "CVE-2019-12529", url: "https://www.suse.com/security/cve/CVE-2019-12529", }, { category: "external", summary: "SUSE Bug 1141329 for CVE-2019-12529", url: "https://bugzilla.suse.com/1141329", }, ], remediations: [ { category: "vendor_fix", details: "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", product_ids: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], scores: [ { cvss_v3: { baseScore: 4.3, baseSeverity: "MEDIUM", vectorString: "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", version: "3.0", }, products: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], threats: [ { category: "impact", date: "2020-08-24T12:06:51Z", details: "moderate", }, ], title: "CVE-2019-12529", }, { cve: "CVE-2019-13345", ids: [ { system_name: "SUSE CVE Page", text: "https://www.suse.com/security/cve/CVE-2019-13345", }, ], notes: [ { category: "general", text: "The cachemgr.cgi web module of Squid through 4.7 has XSS via the user_name or auth parameter.", title: "CVE description", }, ], product_status: { recommended: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, references: [ { category: "external", summary: "CVE-2019-13345", url: "https://www.suse.com/security/cve/CVE-2019-13345", }, { category: "external", summary: "SUSE Bug 1140738 for CVE-2019-13345", url: "https://bugzilla.suse.com/1140738", }, ], remediations: [ { category: "vendor_fix", details: "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", product_ids: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], scores: [ { cvss_v3: { baseScore: 5.4, baseSeverity: "MEDIUM", vectorString: "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", version: "3.0", }, products: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], threats: [ { category: "impact", date: "2020-08-24T12:06:51Z", details: "moderate", }, ], title: "CVE-2019-13345", }, { cve: "CVE-2019-18676", ids: [ { system_name: "SUSE CVE Page", text: "https://www.suse.com/security/cve/CVE-2019-18676", }, ], notes: [ { category: "general", text: "An issue was discovered in Squid 3.x and 4.x through 4.8. Due to incorrect input validation, there is a heap-based buffer overflow that can result in Denial of Service to all clients using the proxy. Severity is high due to this vulnerability occurring before normal security checks; any remote client that can reach the proxy port can trivially perform the attack via a crafted URI scheme.", title: "CVE description", }, ], product_status: { recommended: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, references: [ { category: "external", summary: "CVE-2019-18676", url: "https://www.suse.com/security/cve/CVE-2019-18676", }, { category: "external", summary: "SUSE Bug 1156329 for CVE-2019-18676", url: "https://bugzilla.suse.com/1156329", }, { category: "external", summary: "SUSE Bug 1165586 for CVE-2019-18676", url: "https://bugzilla.suse.com/1165586", }, ], remediations: [ { category: "vendor_fix", details: "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", product_ids: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], scores: [ { cvss_v3: { baseScore: 5.9, baseSeverity: "MEDIUM", vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", version: "3.1", }, products: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], threats: [ { category: "impact", date: "2020-08-24T12:06:51Z", details: "important", }, ], title: "CVE-2019-18676", }, { cve: "CVE-2019-18677", ids: [ { system_name: "SUSE CVE Page", text: "https://www.suse.com/security/cve/CVE-2019-18677", }, ], notes: [ { category: "general", text: "An issue was discovered in Squid 3.x and 4.x through 4.8 when the append_domain setting is used (because the appended characters do not properly interact with hostname length restrictions). Due to incorrect message processing, it can inappropriately redirect traffic to origins it should not be delivered to.", title: "CVE description", }, ], product_status: { recommended: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, references: [ { category: "external", summary: "CVE-2019-18677", url: "https://www.suse.com/security/cve/CVE-2019-18677", }, { category: "external", summary: "SUSE Bug 1156328 for CVE-2019-18677", url: "https://bugzilla.suse.com/1156328", }, ], remediations: [ { category: "vendor_fix", details: "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", product_ids: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], scores: [ { cvss_v3: { baseScore: 7.4, baseSeverity: "HIGH", vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", version: "3.1", }, products: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], threats: [ { category: "impact", date: "2020-08-24T12:06:51Z", details: "important", }, ], title: "CVE-2019-18677", }, { cve: "CVE-2019-18678", ids: [ { system_name: "SUSE CVE Page", text: "https://www.suse.com/security/cve/CVE-2019-18678", }, ], notes: [ { category: "general", text: "An issue was discovered in Squid 3.x and 4.x through 4.8. It allows attackers to smuggle HTTP requests through frontend software to a Squid instance that splits the HTTP Request pipeline differently. The resulting Response messages corrupt caches (between a client and Squid) with attacker-controlled content at arbitrary URLs. Effects are isolated to software between the attacker client and Squid. There are no effects on Squid itself, nor on any upstream servers. The issue is related to a request header containing whitespace between a header name and a colon.", title: "CVE description", }, ], product_status: { recommended: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, references: [ { category: "external", summary: "CVE-2019-18678", url: "https://www.suse.com/security/cve/CVE-2019-18678", }, { category: "external", summary: "SUSE Bug 1156323 for CVE-2019-18678", url: "https://bugzilla.suse.com/1156323", }, ], remediations: [ { category: "vendor_fix", details: "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", product_ids: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], scores: [ { cvss_v3: { baseScore: 6.8, baseSeverity: "MEDIUM", vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N", version: "3.1", }, products: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], threats: [ { category: "impact", date: "2020-08-24T12:06:51Z", details: "moderate", }, ], title: "CVE-2019-18678", }, { cve: "CVE-2019-18679", ids: [ { system_name: "SUSE CVE Page", text: "https://www.suse.com/security/cve/CVE-2019-18679", }, ], notes: [ { category: "general", text: "An issue was discovered in Squid 2.x, 3.x, and 4.x through 4.8. Due to incorrect data management, it is vulnerable to information disclosure when processing HTTP Digest Authentication. Nonce tokens contain the raw byte value of a pointer that sits within heap memory allocation. This information reduces ASLR protections and may aid attackers isolating memory areas to target for remote code execution attacks.", title: "CVE description", }, ], product_status: { recommended: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, references: [ { category: "external", summary: "CVE-2019-18679", url: "https://www.suse.com/security/cve/CVE-2019-18679", }, { category: "external", summary: "SUSE Bug 1156324 for CVE-2019-18679", url: "https://bugzilla.suse.com/1156324", }, ], remediations: [ { category: "vendor_fix", details: "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", product_ids: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], scores: [ { cvss_v3: { baseScore: 5.9, baseSeverity: "MEDIUM", vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", version: "3.1", }, products: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], threats: [ { category: "impact", date: "2020-08-24T12:06:51Z", details: "moderate", }, ], title: "CVE-2019-18679", }, { cve: "CVE-2019-18860", ids: [ { system_name: "SUSE CVE Page", text: "https://www.suse.com/security/cve/CVE-2019-18860", }, ], notes: [ { category: "general", text: "Squid before 4.9, when certain web browsers are used, mishandles HTML in the host (aka hostname) parameter to cachemgr.cgi.", title: "CVE description", }, ], product_status: { recommended: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, references: [ { category: "external", summary: "CVE-2019-18860", url: "https://www.suse.com/security/cve/CVE-2019-18860", }, { category: "external", summary: "SUSE Bug 1167373 for CVE-2019-18860", url: "https://bugzilla.suse.com/1167373", }, ], remediations: [ { category: "vendor_fix", details: "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", product_ids: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], scores: [ { cvss_v3: { baseScore: 4.3, baseSeverity: "MEDIUM", vectorString: "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", version: "3.1", }, products: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], threats: [ { category: "impact", date: "2020-08-24T12:06:51Z", details: "moderate", }, ], title: "CVE-2019-18860", }, { cve: "CVE-2020-11945", ids: [ { system_name: "SUSE CVE Page", text: "https://www.suse.com/security/cve/CVE-2020-11945", }, ], notes: [ { category: "general", text: "An issue was discovered in Squid before 5.0.2. A remote attacker can replay a sniffed Digest Authentication nonce to gain access to resources that are otherwise forbidden. This occurs because the attacker can overflow the nonce reference counter (a short integer). Remote code execution may occur if the pooled token credentials are freed (instead of replayed as valid credentials).", title: "CVE description", }, ], product_status: { recommended: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, references: [ { category: "external", summary: "CVE-2020-11945", url: "https://www.suse.com/security/cve/CVE-2020-11945", }, { category: "external", summary: "SUSE Bug 1170313 for CVE-2020-11945", url: "https://bugzilla.suse.com/1170313", }, ], remediations: [ { category: "vendor_fix", details: "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", product_ids: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], scores: [ { cvss_v3: { baseScore: 8.8, baseSeverity: "HIGH", vectorString: "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", version: "3.1", }, products: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], threats: [ { category: "impact", date: "2020-08-24T12:06:51Z", details: "important", }, ], title: "CVE-2020-11945", }, { cve: "CVE-2020-14059", ids: [ { system_name: "SUSE CVE Page", text: "https://www.suse.com/security/cve/CVE-2020-14059", }, ], notes: [ { category: "general", text: "An issue was discovered in Squid 5.x before 5.0.3. Due to an Incorrect Synchronization, a Denial of Service can occur when processing objects in an SMP cache because of an Ipc::Mem::PageStack::pop ABA problem during access to the memory page/slot management list.", title: "CVE description", }, ], product_status: { recommended: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, references: [ { category: "external", summary: "CVE-2020-14059", url: "https://www.suse.com/security/cve/CVE-2020-14059", }, { category: "external", summary: "SUSE Bug 1173303 for CVE-2020-14059", url: "https://bugzilla.suse.com/1173303", }, { category: "external", summary: "SUSE Bug 1173304 for CVE-2020-14059", url: "https://bugzilla.suse.com/1173304", }, ], remediations: [ { category: "vendor_fix", details: "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", product_ids: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], scores: [ { cvss_v3: { baseScore: 6.3, baseSeverity: "MEDIUM", vectorString: "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H", version: "3.1", }, products: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], threats: [ { category: "impact", date: "2020-08-24T12:06:51Z", details: "important", }, ], title: "CVE-2020-14059", }, { cve: "CVE-2020-15049", ids: [ { system_name: "SUSE CVE Page", text: "https://www.suse.com/security/cve/CVE-2020-15049", }, ], notes: [ { category: "general", text: "An issue was discovered in http/ContentLengthInterpreter.cc in Squid before 4.12 and 5.x before 5.0.3. A Request Smuggling and Poisoning attack can succeed against the HTTP cache. The client sends an HTTP request with a Content-Length header containing \"+\\ \"-\" or an uncommon shell whitespace character prefix to the length field-value.", title: "CVE description", }, ], product_status: { recommended: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, references: [ { category: "external", summary: "CVE-2020-15049", url: "https://www.suse.com/security/cve/CVE-2020-15049", }, { category: "external", summary: "SUSE Bug 1173455 for CVE-2020-15049", url: "https://bugzilla.suse.com/1173455", }, { category: "external", summary: "SUSE Bug 1174381 for CVE-2020-15049", url: "https://bugzilla.suse.com/1174381", }, ], remediations: [ { category: "vendor_fix", details: "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", product_ids: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], scores: [ { cvss_v3: { baseScore: 8.5, baseSeverity: "HIGH", vectorString: "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H", version: "3.1", }, products: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], threats: [ { category: "impact", date: "2020-08-24T12:06:51Z", details: "important", }, ], title: "CVE-2020-15049", }, { cve: "CVE-2020-8449", ids: [ { system_name: "SUSE CVE Page", text: "https://www.suse.com/security/cve/CVE-2020-8449", }, ], notes: [ { category: "general", text: "An issue was discovered in Squid before 4.10. Due to incorrect input validation, it can interpret crafted HTTP requests in unexpected ways to access server resources prohibited by earlier security filters.", title: "CVE description", }, ], product_status: { recommended: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, references: [ { category: "external", summary: "CVE-2020-8449", url: "https://www.suse.com/security/cve/CVE-2020-8449", }, { category: "external", summary: "SUSE Bug 1162687 for CVE-2020-8449", url: "https://bugzilla.suse.com/1162687", }, ], remediations: [ { category: "vendor_fix", details: "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", product_ids: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], scores: [ { cvss_v3: { baseScore: 7.5, baseSeverity: "HIGH", vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", version: "3.1", }, products: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], threats: [ { category: "impact", date: "2020-08-24T12:06:51Z", details: "important", }, ], title: "CVE-2020-8449", }, { cve: "CVE-2020-8450", ids: [ { system_name: "SUSE CVE Page", text: "https://www.suse.com/security/cve/CVE-2020-8450", }, ], notes: [ { category: "general", text: "An issue was discovered in Squid before 4.10. Due to incorrect buffer management, a remote client can cause a buffer overflow in a Squid instance acting as a reverse proxy.", title: "CVE description", }, ], product_status: { recommended: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, references: [ { category: "external", summary: "CVE-2020-8450", url: "https://www.suse.com/security/cve/CVE-2020-8450", }, { category: "external", summary: "SUSE Bug 1162687 for CVE-2020-8450", url: "https://bugzilla.suse.com/1162687", }, ], remediations: [ { category: "vendor_fix", details: "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", product_ids: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], scores: [ { cvss_v3: { baseScore: 7.3, baseSeverity: "HIGH", vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", version: "3.1", }, products: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], threats: [ { category: "impact", date: "2020-08-24T12:06:51Z", details: "important", }, ], title: "CVE-2020-8450", }, { cve: "CVE-2020-8517", ids: [ { system_name: "SUSE CVE Page", text: "https://www.suse.com/security/cve/CVE-2020-8517", }, ], notes: [ { category: "general", text: "An issue was discovered in Squid before 4.10. Due to incorrect input validation, the NTLM authentication credentials parser in ext_lm_group_acl may write to memory outside the credentials buffer. On systems with memory access protections, this can result in the helper process being terminated unexpectedly. This leads to the Squid process also terminating and a denial of service for all clients using the proxy.", title: "CVE description", }, ], product_status: { recommended: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, references: [ { category: "external", summary: "CVE-2020-8517", url: "https://www.suse.com/security/cve/CVE-2020-8517", }, { category: "external", summary: "SUSE Bug 1162691 for CVE-2020-8517", url: "https://bugzilla.suse.com/1162691", }, ], remediations: [ { category: "vendor_fix", details: "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", product_ids: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], scores: [ { cvss_v3: { baseScore: 8.1, baseSeverity: "HIGH", vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", version: "3.1", }, products: [ "SUSE Linux Enterprise Point of Sale 11 SP3:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.i586", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.ppc64", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.s390x", "SUSE Linux Enterprise Server 11 SP4-LTSS:squid3-3.1.23-8.16.37.12.1.x86_64", ], }, ], threats: [ { category: "impact", date: "2020-08-24T12:06:51Z", details: "important", }, ], title: "CVE-2020-8517", }, ], }
suse-su-2020:1227-1
Vulnerability from csaf_suse
Published
2020-05-08 12:14
Modified
2020-05-08 12:14
Summary
Security update for squid
Notes
Title of the patch
Security update for squid
Description of the patch
This update for squid fixes the following issues:
- CVE-2019-12519, CVE-2019-12521: fixes incorrect buffer handling that can
result in cache poisoning, remote execution, and denial of service attacks
when processing ESI responses (bsc#1169659).
- CVE-2020-11945: fixes a potential remote execution vulnerability
when using HTTP Digest Authentication (bsc#1170313).
- CVE-2019-12520, CVE-2019-12524: fixes a potential ACL bypass, cache-bypass
and cross-site scripting attack when processing invalid HTTP
Request messages (bsc#1170423).
Patchnames
HPE-Helion-OpenStack-8-2020-1227,SUSE-2020-1227,SUSE-OpenStack-Cloud-7-2020-1227,SUSE-OpenStack-Cloud-8-2020-1227,SUSE-OpenStack-Cloud-Crowbar-8-2020-1227,SUSE-SLE-SAP-12-SP2-2020-1227,SUSE-SLE-SAP-12-SP3-2020-1227,SUSE-SLE-SERVER-12-SP2-2020-1227,SUSE-SLE-SERVER-12-SP2-BCL-2020-1227,SUSE-SLE-SERVER-12-SP3-2020-1227,SUSE-SLE-SERVER-12-SP3-BCL-2020-1227,SUSE-SLE-SERVER-12-SP4-2020-1227,SUSE-Storage-5-2020-1227
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
{ document: { aggregate_severity: { namespace: "https://www.suse.com/support/security/rating/", text: "important", }, category: "csaf_security_advisory", csaf_version: "2.0", distribution: { text: "Copyright 2024 SUSE LLC. All rights reserved.", tlp: { label: "WHITE", url: "https://www.first.org/tlp/", }, }, lang: "en", notes: [ { category: "summary", text: "Security update for squid", title: "Title of the patch", }, { category: "description", text: "This update for squid fixes the following issues:\n\n- CVE-2019-12519, CVE-2019-12521: fixes incorrect buffer handling that can \n result in cache poisoning, remote execution, and denial of service attacks\n when processing ESI responses (bsc#1169659).\n- CVE-2020-11945: fixes a potential remote execution vulnerability\n when using HTTP Digest Authentication (bsc#1170313).\n- CVE-2019-12520, CVE-2019-12524: fixes a potential ACL bypass, cache-bypass\n and cross-site scripting attack when processing invalid HTTP\n Request messages (bsc#1170423).\n", title: "Description of the patch", }, { category: "details", text: "HPE-Helion-OpenStack-8-2020-1227,SUSE-2020-1227,SUSE-OpenStack-Cloud-7-2020-1227,SUSE-OpenStack-Cloud-8-2020-1227,SUSE-OpenStack-Cloud-Crowbar-8-2020-1227,SUSE-SLE-SAP-12-SP2-2020-1227,SUSE-SLE-SAP-12-SP3-2020-1227,SUSE-SLE-SERVER-12-SP2-2020-1227,SUSE-SLE-SERVER-12-SP2-BCL-2020-1227,SUSE-SLE-SERVER-12-SP3-2020-1227,SUSE-SLE-SERVER-12-SP3-BCL-2020-1227,SUSE-SLE-SERVER-12-SP4-2020-1227,SUSE-Storage-5-2020-1227", title: "Patchnames", }, { category: "legal_disclaimer", text: "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).", title: "Terms of use", }, ], publisher: { category: "vendor", contact_details: "https://www.suse.com/support/security/contact/", name: "SUSE Product Security Team", namespace: "https://www.suse.com/", }, references: [ { category: "external", summary: "SUSE ratings", url: "https://www.suse.com/support/security/rating/", }, { category: "self", summary: "URL of this CSAF notice", url: "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2020_1227-1.json", }, { category: "self", summary: "URL for SUSE-SU-2020:1227-1", url: "https://www.suse.com/support/update/announcement/2020/suse-su-20201227-1/", }, { category: "self", summary: "E-Mail link for SUSE-SU-2020:1227-1", url: "https://lists.suse.com/pipermail/sle-security-updates/2020-May/006808.html", }, { category: "self", summary: "SUSE Bug 1169659", url: "https://bugzilla.suse.com/1169659", }, { category: "self", summary: "SUSE Bug 1170313", url: "https://bugzilla.suse.com/1170313", }, { category: "self", summary: "SUSE Bug 1170423", url: "https://bugzilla.suse.com/1170423", }, { category: "self", summary: "SUSE CVE CVE-2019-12519 page", url: "https://www.suse.com/security/cve/CVE-2019-12519/", }, { category: "self", summary: "SUSE CVE CVE-2019-12520 page", url: "https://www.suse.com/security/cve/CVE-2019-12520/", }, { category: "self", summary: "SUSE CVE CVE-2019-12521 page", url: "https://www.suse.com/security/cve/CVE-2019-12521/", }, { category: "self", summary: "SUSE CVE CVE-2019-12524 page", url: "https://www.suse.com/security/cve/CVE-2019-12524/", }, { category: "self", summary: "SUSE CVE CVE-2020-11945 page", url: "https://www.suse.com/security/cve/CVE-2020-11945/", }, ], title: "Security update for squid", tracking: { current_release_date: "2020-05-08T12:14:02Z", generator: { date: "2020-05-08T12:14:02Z", engine: { name: "cve-database.git:bin/generate-csaf.pl", version: "1", }, }, id: "SUSE-SU-2020:1227-1", initial_release_date: "2020-05-08T12:14:02Z", revision_history: [ { date: "2020-05-08T12:14:02Z", number: "1", summary: "Current version", }, ], status: "final", version: "1", }, }, product_tree: { branches: [ { branches: [ { branches: [ { category: "product_version", name: "squid-3.5.21-26.23.1.aarch64", product: { name: "squid-3.5.21-26.23.1.aarch64", product_id: "squid-3.5.21-26.23.1.aarch64", }, }, ], category: "architecture", name: "aarch64", }, { branches: [ { category: "product_version", name: "squid-3.5.21-26.23.1.i586", product: { name: "squid-3.5.21-26.23.1.i586", product_id: "squid-3.5.21-26.23.1.i586", }, }, ], category: "architecture", name: "i586", }, { branches: [ { category: "product_version", name: "squid-3.5.21-26.23.1.ppc64le", product: { name: "squid-3.5.21-26.23.1.ppc64le", product_id: "squid-3.5.21-26.23.1.ppc64le", }, }, ], category: "architecture", name: "ppc64le", }, { branches: [ { category: "product_version", name: "squid-3.5.21-26.23.1.s390", product: { name: "squid-3.5.21-26.23.1.s390", product_id: "squid-3.5.21-26.23.1.s390", }, }, ], category: "architecture", name: "s390", }, { branches: [ { category: "product_version", name: "squid-3.5.21-26.23.1.s390x", product: { name: "squid-3.5.21-26.23.1.s390x", product_id: "squid-3.5.21-26.23.1.s390x", }, }, ], category: "architecture", name: "s390x", }, { branches: [ { category: "product_version", name: "squid-3.5.21-26.23.1.x86_64", product: { name: "squid-3.5.21-26.23.1.x86_64", product_id: "squid-3.5.21-26.23.1.x86_64", }, }, ], category: "architecture", name: "x86_64", }, { branches: [ { category: "product_name", name: "HPE Helion OpenStack 8", product: { name: "HPE Helion OpenStack 8", product_id: "HPE Helion OpenStack 8", product_identification_helper: { cpe: "cpe:/o:suse:hpe-helion-openstack:8", }, }, }, { category: "product_name", name: "SUSE OpenStack Cloud 7", product: { name: "SUSE OpenStack Cloud 7", product_id: "SUSE OpenStack Cloud 7", product_identification_helper: { cpe: "cpe:/o:suse:suse-openstack-cloud:7", }, }, }, { category: "product_name", name: "SUSE OpenStack Cloud 8", product: { name: "SUSE OpenStack Cloud 8", product_id: "SUSE OpenStack Cloud 8", product_identification_helper: { cpe: "cpe:/o:suse:suse-openstack-cloud:8", }, }, }, { category: "product_name", name: "SUSE OpenStack Cloud Crowbar 8", product: { name: "SUSE OpenStack Cloud Crowbar 8", product_id: "SUSE OpenStack Cloud Crowbar 8", product_identification_helper: { cpe: "cpe:/o:suse:suse-openstack-cloud-crowbar:8", }, }, }, { category: "product_name", name: "SUSE Linux Enterprise Server for SAP Applications 12 SP2", product: { name: "SUSE Linux Enterprise Server for SAP Applications 12 SP2", product_id: "SUSE Linux Enterprise Server for SAP Applications 12 SP2", product_identification_helper: { cpe: "cpe:/o:suse:sles_sap:12:sp2", }, }, }, { category: "product_name", name: "SUSE Linux Enterprise Server for SAP Applications 12 SP3", product: { name: "SUSE Linux Enterprise Server for SAP Applications 12 SP3", product_id: "SUSE Linux Enterprise Server for SAP Applications 12 SP3", product_identification_helper: { cpe: "cpe:/o:suse:sles_sap:12:sp3", }, }, }, { category: "product_name", name: "SUSE Linux Enterprise Server 12 SP2-LTSS", product: { name: "SUSE Linux Enterprise Server 12 SP2-LTSS", product_id: "SUSE Linux Enterprise Server 12 SP2-LTSS", product_identification_helper: { cpe: "cpe:/o:suse:sles-ltss:12:sp2", }, }, }, { category: "product_name", name: "SUSE Linux Enterprise Server 12 SP2-BCL", product: { name: "SUSE Linux Enterprise Server 12 SP2-BCL", product_id: "SUSE Linux Enterprise Server 12 SP2-BCL", product_identification_helper: { cpe: "cpe:/o:suse:sles-bcl:12:sp2", }, }, }, { category: "product_name", name: "SUSE Linux Enterprise Server 12 SP3-LTSS", product: { name: "SUSE Linux Enterprise Server 12 SP3-LTSS", product_id: "SUSE Linux Enterprise Server 12 SP3-LTSS", product_identification_helper: { cpe: "cpe:/o:suse:sles-ltss:12:sp3", }, }, }, { category: "product_name", name: "SUSE Linux Enterprise Server 12 SP3-BCL", product: { name: "SUSE Linux Enterprise Server 12 SP3-BCL", product_id: "SUSE Linux Enterprise Server 12 SP3-BCL", product_identification_helper: { cpe: "cpe:/o:suse:sles-bcl:12:sp3", }, }, }, { category: "product_name", name: "SUSE Linux Enterprise Server 12 SP4", product: { name: "SUSE Linux Enterprise Server 12 SP4", product_id: "SUSE Linux Enterprise Server 12 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Enterprise Storage 5", }, ], }, vulnerabilities: [ { cve: "CVE-2019-12519", ids: [ { system_name: "SUSE CVE Page", text: "https://www.suse.com/security/cve/CVE-2019-12519", }, ], notes: [ { category: "general", text: "An issue was discovered in Squid through 4.7. When handling the tag esi:when when ESI is enabled, Squid calls ESIExpression::Evaluate. This function uses a fixed stack buffer to hold the expression while it's being evaluated. When processing the expression, it could either evaluate the top of the stack, or add a new member to the stack. When adding a new member, there is no check to ensure that the stack won't overflow.", title: "CVE description", }, ], product_status: { recommended: [ "HPE Helion OpenStack 8:squid-3.5.21-26.23.1.x86_64", "SUSE Enterprise Storage 5:squid-3.5.21-26.23.1.aarch64", "SUSE Enterprise Storage 5:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-BCL:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP3-BCL:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.aarch64", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 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"SUSE OpenStack Cloud 7:squid-3.5.21-26.23.1.x86_64", "SUSE OpenStack Cloud 8:squid-3.5.21-26.23.1.x86_64", "SUSE OpenStack Cloud Crowbar 8:squid-3.5.21-26.23.1.x86_64", ], }, references: [ { category: "external", summary: "CVE-2019-12519", url: "https://www.suse.com/security/cve/CVE-2019-12519", }, { category: "external", summary: "SUSE Bug 1169659 for CVE-2019-12519", url: "https://bugzilla.suse.com/1169659", }, ], remediations: [ { category: "vendor_fix", details: "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", product_ids: [ "HPE Helion OpenStack 8:squid-3.5.21-26.23.1.x86_64", "SUSE Enterprise Storage 5:squid-3.5.21-26.23.1.aarch64", "SUSE Enterprise Storage 5:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-BCL:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 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"CVE-2019-12519", }, { cve: "CVE-2019-12520", ids: [ { system_name: "SUSE CVE Page", text: "https://www.suse.com/security/cve/CVE-2019-12520", }, ], notes: [ { category: "general", text: "An issue was discovered in Squid through 4.7 and 5. When receiving a request, Squid checks its cache to see if it can serve up a response. It does this by making a MD5 hash of the absolute URL of the request. If found, it servers the request. The absolute URL can include the decoded UserInfo (username and password) for certain protocols. This decoded info is prepended to the domain. This allows an attacker to provide a username that has special characters to delimit the domain, and treat the rest of the URL as a path or query string. An attacker could first make a request to their domain using an encoded username, then when a request for the target domain comes in that decodes to the exact URL, it will serve the attacker's HTML instead of the real HTML. On Squid servers that also act as reverse proxies, this allows an attacker to gain access to features that only reverse proxies can use, such as ESI.", title: "CVE description", }, ], product_status: { recommended: [ "HPE Helion OpenStack 8:squid-3.5.21-26.23.1.x86_64", "SUSE Enterprise Storage 5:squid-3.5.21-26.23.1.aarch64", "SUSE Enterprise Storage 5:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-BCL:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP3-BCL:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.aarch64", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server 12 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SP4:squid-3.5.21-26.23.1.x86_64", "SUSE OpenStack Cloud 7:squid-3.5.21-26.23.1.s390x", "SUSE OpenStack Cloud 7:squid-3.5.21-26.23.1.x86_64", "SUSE OpenStack Cloud 8:squid-3.5.21-26.23.1.x86_64", "SUSE OpenStack Cloud Crowbar 8:squid-3.5.21-26.23.1.x86_64", ], }, references: [ { category: "external", summary: "CVE-2019-12520", url: "https://www.suse.com/security/cve/CVE-2019-12520", }, { category: "external", summary: "SUSE Bug 1169666 for CVE-2019-12520", url: "https://bugzilla.suse.com/1169666", }, { category: "external", summary: "SUSE Bug 1170423 for CVE-2019-12520", url: "https://bugzilla.suse.com/1170423", }, ], remediations: [ { category: "vendor_fix", details: "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", product_ids: [ "HPE Helion OpenStack 8:squid-3.5.21-26.23.1.x86_64", "SUSE Enterprise Storage 5:squid-3.5.21-26.23.1.aarch64", "SUSE Enterprise Storage 5:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-BCL:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP3-BCL:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.aarch64", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP4:squid-3.5.21-26.23.1.aarch64", "SUSE Linux Enterprise Server 12 SP4:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 SP4:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server 12 SP4:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server for SAP Applications 12 SP2:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server for SAP Applications 12 SP2:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server for SAP Applications 12 SP3:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server for SAP Applications 12 SP3:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server for SAP Applications 12 SP4:squid-3.5.21-26.23.1.aarch64", "SUSE Linux Enterprise Server for SAP Applications 12 SP4:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server for SAP Applications 12 SP4:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server for SAP Applications 12 SP4:squid-3.5.21-26.23.1.x86_64", "SUSE OpenStack Cloud 7:squid-3.5.21-26.23.1.s390x", "SUSE OpenStack Cloud 7:squid-3.5.21-26.23.1.x86_64", "SUSE OpenStack Cloud 8:squid-3.5.21-26.23.1.x86_64", "SUSE OpenStack Cloud Crowbar 8:squid-3.5.21-26.23.1.x86_64", ], }, ], scores: [ { cvss_v3: { baseScore: 5.8, baseSeverity: "MEDIUM", vectorString: "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N", version: "3.1", }, products: [ "HPE Helion OpenStack 8:squid-3.5.21-26.23.1.x86_64", "SUSE Enterprise Storage 5:squid-3.5.21-26.23.1.aarch64", "SUSE Enterprise Storage 5:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-BCL:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP3-BCL:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.aarch64", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP4:squid-3.5.21-26.23.1.aarch64", "SUSE Linux Enterprise Server 12 SP4:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 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8:squid-3.5.21-26.23.1.x86_64", ], }, ], threats: [ { category: "impact", date: "2020-05-08T12:14:02Z", details: "moderate", }, ], title: "CVE-2019-12520", }, { cve: "CVE-2019-12521", ids: [ { system_name: "SUSE CVE Page", text: "https://www.suse.com/security/cve/CVE-2019-12521", }, ], notes: [ { category: "general", text: "An issue was discovered in Squid through 4.7. When Squid is parsing ESI, it keeps the ESI elements in ESIContext. ESIContext contains a buffer for holding a stack of ESIElements. When a new ESIElement is parsed, it is added via addStackElement. addStackElement has a check for the number of elements in this buffer, but it's off by 1, leading to a Heap Overflow of 1 element. The overflow is within the same structure so it can't affect adjacent memory blocks, and thus just leads to a crash while processing.", title: "CVE description", }, ], product_status: { recommended: [ "HPE Helion OpenStack 8:squid-3.5.21-26.23.1.x86_64", "SUSE Enterprise Storage 5:squid-3.5.21-26.23.1.aarch64", "SUSE Enterprise Storage 5:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-BCL:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP3-BCL:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.aarch64", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server 12 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SP4:squid-3.5.21-26.23.1.x86_64", "SUSE OpenStack Cloud 7:squid-3.5.21-26.23.1.s390x", "SUSE OpenStack Cloud 7:squid-3.5.21-26.23.1.x86_64", "SUSE OpenStack Cloud 8:squid-3.5.21-26.23.1.x86_64", "SUSE OpenStack Cloud Crowbar 8:squid-3.5.21-26.23.1.x86_64", ], }, references: [ { category: "external", summary: "CVE-2019-12521", url: "https://www.suse.com/security/cve/CVE-2019-12521", }, { category: "external", summary: "SUSE Bug 1169659 for CVE-2019-12521", url: "https://bugzilla.suse.com/1169659", }, ], remediations: [ { category: "vendor_fix", details: "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", product_ids: [ "HPE Helion OpenStack 8:squid-3.5.21-26.23.1.x86_64", "SUSE Enterprise Storage 5:squid-3.5.21-26.23.1.aarch64", "SUSE Enterprise Storage 5:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-BCL:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 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"impact", date: "2020-05-08T12:14:02Z", details: "important", }, ], title: "CVE-2019-12521", }, { cve: "CVE-2019-12524", ids: [ { system_name: "SUSE CVE Page", text: "https://www.suse.com/security/cve/CVE-2019-12524", }, ], notes: [ { category: "general", text: "An issue was discovered in Squid through 4.7. When handling requests from users, Squid checks its rules to see if the request should be denied. Squid by default comes with rules to block access to the Cache Manager, which serves detailed server information meant for the maintainer. This rule is implemented via url_regex. The handler for url_regex rules URL decodes an incoming request. This allows an attacker to encode their URL to bypass the url_regex check, and gain access to the blocked resource.", title: "CVE description", }, ], product_status: { recommended: [ "HPE Helion OpenStack 8:squid-3.5.21-26.23.1.x86_64", "SUSE Enterprise Storage 5:squid-3.5.21-26.23.1.aarch64", "SUSE Enterprise Storage 5:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-BCL:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP3-BCL:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.aarch64", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.x86_64", 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7:squid-3.5.21-26.23.1.s390x", "SUSE OpenStack Cloud 7:squid-3.5.21-26.23.1.x86_64", "SUSE OpenStack Cloud 8:squid-3.5.21-26.23.1.x86_64", "SUSE OpenStack Cloud Crowbar 8:squid-3.5.21-26.23.1.x86_64", ], }, references: [ { category: "external", summary: "CVE-2019-12524", url: "https://www.suse.com/security/cve/CVE-2019-12524", }, { category: "external", summary: "SUSE Bug 1169666 for CVE-2019-12524", url: "https://bugzilla.suse.com/1169666", }, { category: "external", summary: "SUSE Bug 1170423 for CVE-2019-12524", url: "https://bugzilla.suse.com/1170423", }, ], remediations: [ { category: "vendor_fix", details: "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", product_ids: [ "HPE Helion OpenStack 8:squid-3.5.21-26.23.1.x86_64", "SUSE Enterprise Storage 5:squid-3.5.21-26.23.1.aarch64", "SUSE Enterprise Storage 5:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-BCL:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP3-BCL:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.aarch64", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP4:squid-3.5.21-26.23.1.aarch64", "SUSE Linux Enterprise Server 12 SP4:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 SP4:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server 12 SP4:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server for SAP Applications 12 SP2:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server for SAP Applications 12 SP2:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server for SAP Applications 12 SP3:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server for SAP Applications 12 SP3:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server for SAP Applications 12 SP4:squid-3.5.21-26.23.1.aarch64", "SUSE Linux Enterprise Server for SAP Applications 12 SP4:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server for SAP Applications 12 SP4:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server for SAP Applications 12 SP4:squid-3.5.21-26.23.1.x86_64", "SUSE OpenStack Cloud 7:squid-3.5.21-26.23.1.s390x", "SUSE OpenStack Cloud 7:squid-3.5.21-26.23.1.x86_64", "SUSE OpenStack Cloud 8:squid-3.5.21-26.23.1.x86_64", "SUSE OpenStack Cloud Crowbar 8:squid-3.5.21-26.23.1.x86_64", ], }, ], scores: [ { cvss_v3: { baseScore: 5.8, baseSeverity: "MEDIUM", vectorString: "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N", version: "3.1", }, products: [ "HPE Helion OpenStack 8:squid-3.5.21-26.23.1.x86_64", "SUSE Enterprise Storage 5:squid-3.5.21-26.23.1.aarch64", "SUSE Enterprise Storage 5:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-BCL:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP3-BCL:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.aarch64", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP4:squid-3.5.21-26.23.1.aarch64", "SUSE Linux Enterprise Server 12 SP4:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 SP4:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server 12 SP4:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server for SAP Applications 12 SP2:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server for SAP Applications 12 SP2:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server for SAP Applications 12 SP3:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server for SAP Applications 12 SP3:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server for SAP Applications 12 SP4:squid-3.5.21-26.23.1.aarch64", "SUSE Linux Enterprise Server for SAP Applications 12 SP4:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server for SAP Applications 12 SP4:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server for SAP Applications 12 SP4:squid-3.5.21-26.23.1.x86_64", "SUSE OpenStack Cloud 7:squid-3.5.21-26.23.1.s390x", "SUSE OpenStack Cloud 7:squid-3.5.21-26.23.1.x86_64", "SUSE OpenStack Cloud 8:squid-3.5.21-26.23.1.x86_64", "SUSE OpenStack Cloud Crowbar 8:squid-3.5.21-26.23.1.x86_64", ], }, ], threats: [ { category: "impact", date: "2020-05-08T12:14:02Z", details: "moderate", }, ], title: "CVE-2019-12524", }, { cve: "CVE-2020-11945", ids: [ { system_name: "SUSE CVE Page", text: "https://www.suse.com/security/cve/CVE-2020-11945", }, ], notes: [ { category: "general", text: "An issue was discovered in Squid before 5.0.2. A remote attacker can replay a sniffed Digest Authentication nonce to gain access to resources that are otherwise forbidden. This occurs because the attacker can overflow the nonce reference counter (a short integer). Remote code execution may occur if the pooled token credentials are freed (instead of replayed as valid credentials).", title: "CVE description", }, ], product_status: { recommended: [ "HPE Helion OpenStack 8:squid-3.5.21-26.23.1.x86_64", "SUSE Enterprise Storage 5:squid-3.5.21-26.23.1.aarch64", "SUSE Enterprise Storage 5:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-BCL:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP3-BCL:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.aarch64", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP4:squid-3.5.21-26.23.1.aarch64", "SUSE Linux Enterprise Server 12 SP4:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 SP4:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server 12 SP4:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server for SAP Applications 12 SP2:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server for SAP Applications 12 SP2:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server for SAP Applications 12 SP3:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server for SAP Applications 12 SP3:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server for SAP Applications 12 SP4:squid-3.5.21-26.23.1.aarch64", "SUSE Linux Enterprise Server for SAP Applications 12 SP4:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server for SAP Applications 12 SP4:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server for SAP Applications 12 SP4:squid-3.5.21-26.23.1.x86_64", "SUSE OpenStack Cloud 7:squid-3.5.21-26.23.1.s390x", "SUSE OpenStack Cloud 7:squid-3.5.21-26.23.1.x86_64", "SUSE OpenStack Cloud 8:squid-3.5.21-26.23.1.x86_64", "SUSE OpenStack Cloud Crowbar 8:squid-3.5.21-26.23.1.x86_64", ], }, references: [ { category: "external", summary: "CVE-2020-11945", url: "https://www.suse.com/security/cve/CVE-2020-11945", }, { category: "external", summary: "SUSE Bug 1170313 for CVE-2020-11945", url: "https://bugzilla.suse.com/1170313", }, ], remediations: [ { category: "vendor_fix", details: "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n", product_ids: [ "HPE Helion OpenStack 8:squid-3.5.21-26.23.1.x86_64", "SUSE Enterprise Storage 5:squid-3.5.21-26.23.1.aarch64", "SUSE Enterprise Storage 5:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-BCL:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP3-BCL:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.aarch64", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP4:squid-3.5.21-26.23.1.aarch64", "SUSE Linux Enterprise Server 12 SP4:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 SP4:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server 12 SP4:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server for SAP Applications 12 SP2:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server for SAP Applications 12 SP2:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server for SAP Applications 12 SP3:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server for SAP Applications 12 SP3:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server for SAP Applications 12 SP4:squid-3.5.21-26.23.1.aarch64", "SUSE Linux Enterprise Server for SAP Applications 12 SP4:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server for SAP Applications 12 SP4:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server for SAP Applications 12 SP4:squid-3.5.21-26.23.1.x86_64", "SUSE OpenStack Cloud 7:squid-3.5.21-26.23.1.s390x", "SUSE OpenStack Cloud 7:squid-3.5.21-26.23.1.x86_64", "SUSE OpenStack Cloud 8:squid-3.5.21-26.23.1.x86_64", "SUSE OpenStack Cloud Crowbar 8:squid-3.5.21-26.23.1.x86_64", ], }, ], scores: [ { cvss_v3: { baseScore: 8.8, baseSeverity: "HIGH", vectorString: "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", version: "3.1", }, products: [ "HPE Helion OpenStack 8:squid-3.5.21-26.23.1.x86_64", "SUSE Enterprise Storage 5:squid-3.5.21-26.23.1.aarch64", "SUSE Enterprise Storage 5:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-BCL:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server 12 SP2-LTSS:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP3-BCL:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.aarch64", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server 12 SP3-LTSS:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server 12 SP4:squid-3.5.21-26.23.1.aarch64", "SUSE Linux Enterprise Server 12 SP4:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server 12 SP4:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server 12 SP4:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server for SAP Applications 12 SP2:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server for SAP Applications 12 SP2:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server for SAP Applications 12 SP3:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server for SAP Applications 12 SP3:squid-3.5.21-26.23.1.x86_64", "SUSE Linux Enterprise Server for SAP Applications 12 SP4:squid-3.5.21-26.23.1.aarch64", "SUSE Linux Enterprise Server for SAP Applications 12 SP4:squid-3.5.21-26.23.1.ppc64le", "SUSE Linux Enterprise Server for SAP Applications 12 SP4:squid-3.5.21-26.23.1.s390x", "SUSE Linux Enterprise Server for SAP Applications 12 SP4:squid-3.5.21-26.23.1.x86_64", "SUSE OpenStack Cloud 7:squid-3.5.21-26.23.1.s390x", "SUSE OpenStack Cloud 7:squid-3.5.21-26.23.1.x86_64", "SUSE OpenStack Cloud 8:squid-3.5.21-26.23.1.x86_64", "SUSE OpenStack Cloud Crowbar 8:squid-3.5.21-26.23.1.x86_64", ], }, ], threats: [ { category: "impact", date: "2020-05-08T12:14:02Z", details: "important", }, ], title: "CVE-2020-11945", }, ], }
wid-sec-w-2022-1594
Vulnerability from csaf_certbund
Published
2020-04-19 22:00
Modified
2023-10-26 22:00
Summary
Squid: Mehrere Schwachstellen
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung
Squid ist ein Open-Source Web Proxy Cache für Unix und Windows Plattformen. Die Software unterstützt Proxying und Caching von HTTP, FTP und anderen Protokollen, sowie SSL und Access Control Lists.
Angriff
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Squid ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen und um Informationen offenzulegen.
Betroffene Betriebssysteme
- UNIX
- Linux
- Windows
{ document: { aggregate_severity: { text: "mittel", }, category: "csaf_base", csaf_version: "2.0", distribution: { tlp: { label: "WHITE", url: "https://www.first.org/tlp/", }, }, lang: "de-DE", notes: [ { category: "legal_disclaimer", text: "Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.", }, { category: "description", text: "Squid ist ein Open-Source Web Proxy Cache für Unix und Windows Plattformen. Die Software unterstützt Proxying und Caching von HTTP, FTP und anderen Protokollen, sowie SSL und Access Control Lists.", title: "Produktbeschreibung", }, { category: "summary", text: "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Squid ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen und um Informationen offenzulegen.", title: "Angriff", }, { category: "general", text: "- UNIX\n- Linux\n- Windows", title: "Betroffene Betriebssysteme", }, ], publisher: { category: "other", contact_details: "csaf-provider@cert-bund.de", name: "Bundesamt für Sicherheit in der Informationstechnik", namespace: "https://www.bsi.bund.de", }, references: [ { category: "self", summary: "WID-SEC-W-2022-1594 - CSAF Version", url: "https://wid.cert-bund.de/.well-known/csaf/white/2020/wid-sec-w-2022-1594.json", }, { category: "self", summary: "WID-SEC-2022-1594 - Portal Version", url: "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-1594", }, { category: "external", summary: "Amazon Linux Security Advisory ALAS2-2023-2318 vom 2023-10-27", url: "https://alas.aws.amazon.com/AL2/ALAS-2023-2318.html", }, { category: "external", summary: "Amazon Linux Security Advisory ALASSQUID4-2023-010 vom 2023-10-06", url: "https://alas.aws.amazon.com/AL2/ALASSQUID4-2023-010.html", }, { category: "external", summary: "Amazon Linux Security Advisory ALASSQUID4-2023-009 vom 2023-09-27", url: "https://alas.aws.amazon.com/AL2/ALASSQUID4-2023-009.html", }, { category: "external", summary: "Squid Security Update Advisory SQUID-2019:4 vom 2020-04-19", url: "http://www.squid-cache.org/Advisories/SQUID-2019_4.txt", }, { category: "external", summary: "Debian Security Advisory DSA-4682 vom 2020-05-09", url: "https://www.debian.org/security/2020/dsa-4682", }, { category: "external", summary: "SUSE Security Update SUSE-SU-2020:1227-1 vom 2020-05-15", url: "https://www.suse.com/support/update/announcement/2020/suse-su-20201227-1.html", }, { category: "external", summary: "Debian Security Advisory DLA-2278 vom 2020-07-11", url: "https://lists.debian.org/debian-lts-announce/2020/debian-lts-announce-202007/msg00009.html", }, { category: "external", summary: "Ubuntu Security Notice USN-4446-1 vom 2020-08-03", url: "https://usn.ubuntu.com/4446-1/", }, { category: "external", summary: "Ubuntu Security Notice USN-4446-2 vom 2020-08-27", url: "https://usn.ubuntu.com/4446-2/", }, { category: "external", summary: "Red Hat Security Advisory RHSA-2020:4743 vom 2020-11-04", url: "https://access.redhat.com/errata/RHSA-2020:4743", }, { category: "external", summary: "Oracle Linux Security Advisory ELSA-2022-22254 vom 2022-09-30", url: "https://linux.oracle.com/errata/ELSA-2022-22254.html", }, ], source_lang: "en-US", title: "Squid: Mehrere Schwachstellen", tracking: { current_release_date: "2023-10-26T22:00:00.000+00:00", generator: { date: "2024-08-15T17:35:56.974+00:00", engine: { name: "BSI-WID", version: "1.3.5", }, }, id: "WID-SEC-W-2022-1594", initial_release_date: "2020-04-19T22:00:00.000+00:00", revision_history: [ { date: "2020-04-19T22:00:00.000+00:00", number: "1", summary: "Initiale Fassung", }, { date: "2020-05-10T22:00:00.000+00:00", number: "2", summary: "Neue Updates von Debian aufgenommen", }, { date: "2020-05-14T22:00:00.000+00:00", number: "3", summary: "Neue Updates von SUSE aufgenommen", }, { date: "2020-07-12T22:00:00.000+00:00", number: "4", summary: "Neue Updates von Debian aufgenommen", }, { date: "2020-08-03T22:00:00.000+00:00", number: "5", summary: "Neue Updates von Ubuntu aufgenommen", }, { date: "2020-08-27T22:00:00.000+00:00", number: "6", summary: "Neue Updates von Ubuntu aufgenommen", }, { date: "2020-11-03T23:00:00.000+00:00", number: "7", summary: "Neue Updates von Red Hat aufgenommen", }, { date: "2022-10-03T22:00:00.000+00:00", number: "8", summary: "Neue Updates von Oracle Linux aufgenommen", }, { date: "2023-09-27T22:00:00.000+00:00", number: "9", summary: "Neue Updates von Amazon aufgenommen", }, { date: "2023-10-05T22:00:00.000+00:00", number: "10", summary: "Neue Updates von Amazon aufgenommen", }, { date: "2023-10-26T22:00:00.000+00:00", number: "11", summary: "Neue Updates von Amazon aufgenommen", }, ], status: "final", version: "11", }, }, product_tree: { branches: [ { branches: [ { category: "product_name", name: "Amazon Linux 2", product: { name: "Amazon Linux 2", product_id: "398363", product_identification_helper: { cpe: "cpe:/o:amazon:linux_2:-", }, }, }, ], category: "vendor", name: "Amazon", }, { branches: [ { category: "product_name", name: "Debian Linux", product: { name: "Debian Linux", product_id: "2951", product_identification_helper: { cpe: "cpe:/o:debian:debian_linux:-", }, }, }, ], category: "vendor", name: "Debian", }, { branches: [ { category: "product_name", name: "Open Source Squid < 4.8", product: { name: "Open Source Squid < 4.8", product_id: "T016330", product_identification_helper: { cpe: "cpe:/a:squid-cache:squid:4.8", }, }, }, ], category: "vendor", name: "Open Source", }, { branches: [ { category: "product_name", name: "Oracle Linux", product: { name: "Oracle Linux", product_id: "T004914", product_identification_helper: { cpe: "cpe:/o:oracle:linux:-", }, }, }, ], category: "vendor", name: "Oracle", }, { branches: [ { category: "product_name", name: "Red Hat Enterprise Linux", product: { name: "Red Hat Enterprise Linux", product_id: "67646", product_identification_helper: { cpe: "cpe:/o:redhat:enterprise_linux:-", }, }, }, ], category: "vendor", name: "Red Hat", }, { branches: [ { category: "product_name", name: "SUSE Linux", product: { name: "SUSE Linux", product_id: "T002207", product_identification_helper: { cpe: "cpe:/o:suse:suse_linux:-", }, }, }, ], category: "vendor", name: "SUSE", }, { branches: [ { category: "product_name", name: "Ubuntu Linux", product: { name: "Ubuntu Linux", product_id: "T000126", product_identification_helper: { cpe: "cpe:/o:canonical:ubuntu_linux:-", }, }, }, ], category: "vendor", name: "Ubuntu", }, ], }, vulnerabilities: [ { cve: "CVE-2019-12520", notes: [ { category: "description", text: "In Squid existiert eine Cross-Site Scripting Schwachstelle. HTML und Script-Eingaben werden im URL-Cache nicht ordnungsgemäß überprüft, bevor sie an den Benutzer zurückgegeben werden. Ein entfernter anonymer Angreifer kann durch Ausnutzung dieser Schwachstelle beliebigen HTML- und Script-Code durch den Browser des Benutzers im Kontext der betroffenen Seite ausführen. Zur erfolgreichen Ausnutzung dieser Schwachstelle muss der Angreifer den Benutzer dazu bringen eine modifizierte URL oder Webseite in seinem Webbrowser zu öffnen.", }, ], product_status: { known_affected: [ "2951", "T002207", "67646", "T000126", "398363", "T004914", ], }, release_date: "2020-04-19T22:00:00.000+00:00", title: "CVE-2019-12520", }, { cve: "CVE-2019-12524", notes: [ { category: "description", text: "Es existiert eine Schwachstelle in Squid in der Cache-Manager Komponente. Sie basiert darauf, dass speziell gestaltete URLs zur Umgehung der Zugriffsbeschränkungen auf den Cache-Manager genutzt werden können. Ein entfernter, anonymer Angreifer kann diese Schwachstelle ausnutzen, um Informationen offenzulegen.", }, ], product_status: { known_affected: [ "2951", "T002207", "67646", "T000126", "398363", "T004914", ], }, release_date: "2020-04-19T22:00:00.000+00:00", title: "CVE-2019-12524", }, ], }
WID-SEC-W-2022-1594
Vulnerability from csaf_certbund
Published
2020-04-19 22:00
Modified
2023-10-26 22:00
Summary
Squid: Mehrere Schwachstellen
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung
Squid ist ein Open-Source Web Proxy Cache für Unix und Windows Plattformen. Die Software unterstützt Proxying und Caching von HTTP, FTP und anderen Protokollen, sowie SSL und Access Control Lists.
Angriff
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Squid ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen und um Informationen offenzulegen.
Betroffene Betriebssysteme
- UNIX
- Linux
- Windows
{ document: { aggregate_severity: { text: "mittel", }, category: "csaf_base", csaf_version: "2.0", distribution: { tlp: { label: "WHITE", url: "https://www.first.org/tlp/", }, }, lang: "de-DE", notes: [ { category: "legal_disclaimer", text: "Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.", }, { category: "description", text: "Squid ist ein Open-Source Web Proxy Cache für Unix und Windows Plattformen. Die Software unterstützt Proxying und Caching von HTTP, FTP und anderen Protokollen, sowie SSL und Access Control Lists.", title: "Produktbeschreibung", }, { category: "summary", text: "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Squid ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen und um Informationen offenzulegen.", title: "Angriff", }, { category: "general", text: "- UNIX\n- Linux\n- Windows", title: "Betroffene Betriebssysteme", }, ], publisher: { category: "other", contact_details: "csaf-provider@cert-bund.de", name: "Bundesamt für Sicherheit in der Informationstechnik", namespace: "https://www.bsi.bund.de", }, references: [ { category: "self", summary: "WID-SEC-W-2022-1594 - CSAF Version", url: "https://wid.cert-bund.de/.well-known/csaf/white/2020/wid-sec-w-2022-1594.json", }, { category: "self", summary: "WID-SEC-2022-1594 - Portal Version", url: "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-1594", }, { category: "external", summary: "Amazon Linux Security Advisory ALAS2-2023-2318 vom 2023-10-27", url: "https://alas.aws.amazon.com/AL2/ALAS-2023-2318.html", }, { category: "external", summary: "Amazon Linux Security Advisory ALASSQUID4-2023-010 vom 2023-10-06", url: "https://alas.aws.amazon.com/AL2/ALASSQUID4-2023-010.html", }, { category: "external", summary: "Amazon Linux Security Advisory ALASSQUID4-2023-009 vom 2023-09-27", url: "https://alas.aws.amazon.com/AL2/ALASSQUID4-2023-009.html", }, { category: "external", summary: "Squid Security Update Advisory SQUID-2019:4 vom 2020-04-19", url: "http://www.squid-cache.org/Advisories/SQUID-2019_4.txt", }, { category: "external", summary: "Debian Security Advisory DSA-4682 vom 2020-05-09", url: "https://www.debian.org/security/2020/dsa-4682", }, { category: "external", summary: "SUSE Security Update SUSE-SU-2020:1227-1 vom 2020-05-15", url: "https://www.suse.com/support/update/announcement/2020/suse-su-20201227-1.html", }, { category: "external", summary: "Debian Security Advisory DLA-2278 vom 2020-07-11", url: "https://lists.debian.org/debian-lts-announce/2020/debian-lts-announce-202007/msg00009.html", }, { category: "external", summary: "Ubuntu Security Notice USN-4446-1 vom 2020-08-03", url: "https://usn.ubuntu.com/4446-1/", }, { category: "external", summary: "Ubuntu Security Notice USN-4446-2 vom 2020-08-27", url: "https://usn.ubuntu.com/4446-2/", }, { category: "external", summary: "Red Hat Security Advisory RHSA-2020:4743 vom 2020-11-04", url: "https://access.redhat.com/errata/RHSA-2020:4743", }, { category: "external", summary: "Oracle Linux Security Advisory ELSA-2022-22254 vom 2022-09-30", url: "https://linux.oracle.com/errata/ELSA-2022-22254.html", }, ], source_lang: "en-US", title: "Squid: Mehrere Schwachstellen", tracking: { current_release_date: "2023-10-26T22:00:00.000+00:00", generator: { date: "2024-08-15T17:35:56.974+00:00", engine: { name: "BSI-WID", version: "1.3.5", }, }, id: "WID-SEC-W-2022-1594", initial_release_date: "2020-04-19T22:00:00.000+00:00", revision_history: [ { date: "2020-04-19T22:00:00.000+00:00", number: "1", summary: "Initiale Fassung", }, { date: "2020-05-10T22:00:00.000+00:00", number: "2", summary: "Neue Updates von Debian aufgenommen", }, { date: "2020-05-14T22:00:00.000+00:00", number: "3", summary: "Neue Updates von SUSE aufgenommen", }, { date: "2020-07-12T22:00:00.000+00:00", number: "4", summary: "Neue Updates von Debian aufgenommen", }, { date: "2020-08-03T22:00:00.000+00:00", number: "5", summary: "Neue Updates von Ubuntu aufgenommen", }, { date: "2020-08-27T22:00:00.000+00:00", number: "6", summary: "Neue Updates von Ubuntu aufgenommen", }, { date: "2020-11-03T23:00:00.000+00:00", number: "7", summary: "Neue Updates von Red Hat aufgenommen", }, { date: "2022-10-03T22:00:00.000+00:00", number: "8", summary: "Neue Updates von Oracle Linux aufgenommen", }, { date: "2023-09-27T22:00:00.000+00:00", number: "9", summary: "Neue Updates von Amazon aufgenommen", }, { date: "2023-10-05T22:00:00.000+00:00", number: "10", summary: "Neue Updates von Amazon aufgenommen", }, { date: "2023-10-26T22:00:00.000+00:00", number: "11", summary: "Neue Updates von Amazon aufgenommen", }, ], status: "final", version: "11", }, }, product_tree: { branches: [ { branches: [ { category: "product_name", name: "Amazon Linux 2", product: { name: "Amazon Linux 2", product_id: "398363", product_identification_helper: { cpe: "cpe:/o:amazon:linux_2:-", }, }, }, ], category: "vendor", name: "Amazon", }, { branches: [ { category: "product_name", name: "Debian Linux", product: { name: "Debian Linux", product_id: "2951", product_identification_helper: { cpe: "cpe:/o:debian:debian_linux:-", }, }, }, ], category: "vendor", name: "Debian", }, { branches: [ { category: "product_name", name: "Open Source Squid < 4.8", product: { name: "Open Source Squid < 4.8", product_id: "T016330", product_identification_helper: { cpe: "cpe:/a:squid-cache:squid:4.8", }, }, }, ], category: "vendor", name: "Open Source", }, { branches: [ { category: "product_name", name: "Oracle Linux", product: { name: "Oracle Linux", product_id: "T004914", product_identification_helper: { cpe: "cpe:/o:oracle:linux:-", }, }, }, ], category: "vendor", name: "Oracle", }, { branches: [ { category: "product_name", name: "Red Hat Enterprise Linux", product: { name: "Red Hat Enterprise Linux", product_id: "67646", product_identification_helper: { cpe: "cpe:/o:redhat:enterprise_linux:-", }, }, }, ], category: "vendor", name: "Red Hat", }, { branches: [ { category: "product_name", name: "SUSE Linux", product: { name: "SUSE Linux", product_id: "T002207", product_identification_helper: { cpe: "cpe:/o:suse:suse_linux:-", }, }, }, ], category: "vendor", name: "SUSE", }, { branches: [ { category: "product_name", name: "Ubuntu Linux", product: { name: "Ubuntu Linux", product_id: "T000126", product_identification_helper: { cpe: "cpe:/o:canonical:ubuntu_linux:-", }, }, }, ], category: "vendor", name: "Ubuntu", }, ], }, vulnerabilities: [ { cve: "CVE-2019-12520", notes: [ { category: "description", text: "In Squid existiert eine Cross-Site Scripting Schwachstelle. HTML und Script-Eingaben werden im URL-Cache nicht ordnungsgemäß überprüft, bevor sie an den Benutzer zurückgegeben werden. Ein entfernter anonymer Angreifer kann durch Ausnutzung dieser Schwachstelle beliebigen HTML- und Script-Code durch den Browser des Benutzers im Kontext der betroffenen Seite ausführen. Zur erfolgreichen Ausnutzung dieser Schwachstelle muss der Angreifer den Benutzer dazu bringen eine modifizierte URL oder Webseite in seinem Webbrowser zu öffnen.", }, ], product_status: { known_affected: [ "2951", "T002207", "67646", "T000126", "398363", "T004914", ], }, release_date: "2020-04-19T22:00:00.000+00:00", title: "CVE-2019-12520", }, { cve: "CVE-2019-12524", notes: [ { category: "description", text: "Es existiert eine Schwachstelle in Squid in der Cache-Manager Komponente. Sie basiert darauf, dass speziell gestaltete URLs zur Umgehung der Zugriffsbeschränkungen auf den Cache-Manager genutzt werden können. Ein entfernter, anonymer Angreifer kann diese Schwachstelle ausnutzen, um Informationen offenzulegen.", }, ], product_status: { known_affected: [ "2951", "T002207", "67646", "T000126", "398363", "T004914", ], }, release_date: "2020-04-19T22:00:00.000+00:00", title: "CVE-2019-12524", }, ], }
gsd-2019-12524
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
An issue was discovered in Squid through 4.7. When handling requests from users, Squid checks its rules to see if the request should be denied. Squid by default comes with rules to block access to the Cache Manager, which serves detailed server information meant for the maintainer. This rule is implemented via url_regex. The handler for url_regex rules URL decodes an incoming request. This allows an attacker to encode their URL to bypass the url_regex check, and gain access to the blocked resource.
Aliases
Aliases
{ GSD: { alias: "CVE-2019-12524", description: "An issue was discovered in Squid through 4.7. When handling requests from users, Squid checks its rules to see if the request should be denied. Squid by default comes with rules to block access to the Cache Manager, which serves detailed server information meant for the maintainer. This rule is implemented via url_regex. The handler for url_regex rules URL decodes an incoming request. This allows an attacker to encode their URL to bypass the url_regex check, and gain access to the blocked resource.", id: "GSD-2019-12524", references: [ "https://www.suse.com/security/cve/CVE-2019-12524.html", "https://www.debian.org/security/2020/dsa-4682", "https://access.redhat.com/errata/RHSA-2020:4743", "https://ubuntu.com/security/CVE-2019-12524", "https://linux.oracle.com/cve/CVE-2019-12524.html", ], }, gsd: { metadata: { exploitCode: "unknown", remediation: "unknown", reportConfidence: "confirmed", type: "vulnerability", }, osvSchema: { aliases: [ "CVE-2019-12524", ], details: "An issue was discovered in Squid through 4.7. When handling requests from users, Squid checks its rules to see if the request should be denied. Squid by default comes with rules to block access to the Cache Manager, which serves detailed server information meant for the maintainer. This rule is implemented via url_regex. The handler for url_regex rules URL decodes an incoming request. This allows an attacker to encode their URL to bypass the url_regex check, and gain access to the blocked resource.", id: "GSD-2019-12524", modified: "2023-12-13T01:23:43.914494Z", schema_version: "1.4.0", }, }, namespaces: { "cve.org": { CVE_data_meta: { ASSIGNER: "cve@mitre.org", ID: "CVE-2019-12524", STATE: "PUBLIC", }, affects: { vendor: { vendor_data: [ { product: { product_data: [ { product_name: "n/a", version: { version_data: [ { version_value: "n/a", }, ], }, }, ], }, vendor_name: "n/a", }, ], }, }, data_format: "MITRE", data_type: "CVE", data_version: "4.0", description: { description_data: [ { lang: "eng", value: "An issue was discovered in Squid through 4.7. When handling requests from users, Squid checks its rules to see if the request should be denied. Squid by default comes with rules to block access to the Cache Manager, which serves detailed server information meant for the maintainer. This rule is implemented via url_regex. The handler for url_regex rules URL decodes an incoming request. This allows an attacker to encode their URL to bypass the url_regex check, and gain access to the blocked resource.", }, ], }, problemtype: { problemtype_data: [ { description: [ { lang: "eng", value: "n/a", }, ], }, ], }, references: { reference_data: [ { name: "https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12524.txt", refsource: "MISC", url: "https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12524.txt", }, { name: "DSA-4682", refsource: "DEBIAN", url: "https://www.debian.org/security/2020/dsa-4682", }, { name: "[debian-lts-announce] 20200710 [SECURITY] [DLA 2278-1] squid3 security update", refsource: "MLIST", url: "https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html", }, { name: "USN-4446-1", refsource: "UBUNTU", url: "https://usn.ubuntu.com/4446-1/", }, { name: "https://security.netapp.com/advisory/ntap-20210205-0006/", refsource: "CONFIRM", url: "https://security.netapp.com/advisory/ntap-20210205-0006/", }, ], }, }, "nvd.nist.gov": { configurations: { CVE_data_version: "4.0", nodes: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*", cpe_name: [], versionEndIncluding: "4.7", vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, { cpe23Uri: "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", cpe_name: [], vulnerable: true, }, { cpe23Uri: "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, ], }, cve: { CVE_data_meta: { ASSIGNER: "cve@mitre.org", ID: "CVE-2019-12524", }, data_format: "MITRE", data_type: "CVE", data_version: "4.0", description: { description_data: [ { lang: "en", value: "An issue was discovered in Squid through 4.7. When handling requests from users, Squid checks its rules to see if the request should be denied. Squid by default comes with rules to block access to the Cache Manager, which serves detailed server information meant for the maintainer. This rule is implemented via url_regex. The handler for url_regex rules URL decodes an incoming request. This allows an attacker to encode their URL to bypass the url_regex check, and gain access to the blocked resource.", }, ], }, problemtype: { problemtype_data: [ { description: [ { lang: "en", value: "CWE-306", }, ], }, ], }, references: { reference_data: [ { name: "https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12524.txt", refsource: "MISC", tags: [ "Third Party Advisory", ], url: "https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12524.txt", }, { name: "DSA-4682", refsource: "DEBIAN", tags: [ "Third Party Advisory", ], url: "https://www.debian.org/security/2020/dsa-4682", }, { name: "[debian-lts-announce] 20200710 [SECURITY] [DLA 2278-1] squid3 security update", refsource: "MLIST", tags: [ "Mailing List", "Third Party Advisory", ], url: "https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html", }, { name: "USN-4446-1", refsource: "UBUNTU", tags: [ "Third Party Advisory", ], url: "https://usn.ubuntu.com/4446-1/", }, { name: "https://security.netapp.com/advisory/ntap-20210205-0006/", refsource: "CONFIRM", tags: [ "Third Party Advisory", ], url: "https://security.netapp.com/advisory/ntap-20210205-0006/", }, ], }, }, impact: { baseMetricV2: { acInsufInfo: false, cvssV2: { accessComplexity: "LOW", accessVector: "NETWORK", authentication: "NONE", availabilityImpact: "PARTIAL", baseScore: 7.5, confidentialityImpact: "PARTIAL", integrityImpact: "PARTIAL", vectorString: "AV:N/AC:L/Au:N/C:P/I:P/A:P", version: "2.0", }, exploitabilityScore: 10, impactScore: 6.4, obtainAllPrivilege: false, obtainOtherPrivilege: false, obtainUserPrivilege: false, severity: "HIGH", userInteractionRequired: false, }, baseMetricV3: { cvssV3: { attackComplexity: "LOW", attackVector: "NETWORK", availabilityImpact: "HIGH", baseScore: 9.8, baseSeverity: "CRITICAL", confidentialityImpact: "HIGH", integrityImpact: "HIGH", privilegesRequired: "NONE", scope: "UNCHANGED", userInteraction: "NONE", vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", version: "3.1", }, exploitabilityScore: 3.9, impactScore: 5.9, }, }, lastModifiedDate: "2021-02-09T16:55Z", publishedDate: "2020-04-15T19:15Z", }, }, }
rhsa-2020_4743
Vulnerability from csaf_redhat
Published
2020-11-04 01:45
Modified
2024-11-22 15:13
Summary
Red Hat Security Advisory: squid:4 security, bug fix, and enhancement update
Notes
Topic
An update for the squid:4 module is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.
The following packages have been upgraded to a later upstream version: squid (4.11). (BZ#1829467)
Security Fix(es):
* squid: Improper input validation in request allows for proxy manipulation (CVE-2019-12520)
* squid: Off-by-one error in addStackElement allows for heap buffer overflow and crash (CVE-2019-12521)
* squid: Improper input validation in URI processor (CVE-2019-12523)
* squid: Improper access restriction in url_regex may lead to security bypass (CVE-2019-12524)
* squid: Heap overflow issue in URN processing (CVE-2019-12526)
* squid: Information Disclosure issue in FTP Gateway (CVE-2019-12528)
* squid: Out of bounds read in Proxy-Authorization header causes DoS (CVE-2019-12529)
* squid: Denial of service in cachemgr.cgi (CVE-2019-12854)
* squid: Buffer overflow in URI processor (CVE-2019-18676)
* squid: Cross-Site Request Forgery issue in HTTP Request processing (CVE-2019-18677)
* squid: HTTP Request Splitting issue in HTTP message processing (CVE-2019-18678)
* squid: Information Disclosure issue in HTTP Digest Authentication (CVE-2019-18679)
* squid: Mishandled HTML in the host parameter to cachemgr.cgi results in insecure behaviour (CVE-2019-18860)
* squid: Improper input validation issues in HTTP Request processing (CVE-2020-8449)
* squid: Buffer overflow in reverse-proxy configurations (CVE-2020-8450)
* squid: DoS in TLS handshake (CVE-2020-14058)
* squid: Request smuggling and poisoning attack against the HTTP cache (CVE-2020-15049)
* squid: Improper input validation could result in a DoS (CVE-2020-24606)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.3 Release Notes linked from the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ document: { aggregate_severity: { namespace: "https://access.redhat.com/security/updates/classification/", text: "Moderate", }, category: "csaf_security_advisory", csaf_version: "2.0", distribution: { text: "Copyright © Red Hat, Inc. All rights reserved.", tlp: { label: "WHITE", url: "https://www.first.org/tlp/", }, }, lang: "en", notes: [ { category: "summary", text: "An update for the squid:4 module is now available for Red Hat Enterprise Linux 8.\n\nRed Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", title: "Topic", }, { category: "general", text: "Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.\n\nThe following packages have been upgraded to a later upstream version: squid (4.11). (BZ#1829467)\n\nSecurity Fix(es):\n\n* squid: Improper input validation in request allows for proxy manipulation (CVE-2019-12520)\n\n* squid: Off-by-one error in addStackElement allows for heap buffer overflow and crash (CVE-2019-12521)\n\n* squid: Improper input validation in URI processor (CVE-2019-12523)\n\n* squid: Improper access restriction in url_regex may lead to security bypass (CVE-2019-12524)\n\n* squid: Heap overflow issue in URN processing (CVE-2019-12526)\n\n* squid: Information Disclosure issue in FTP Gateway (CVE-2019-12528)\n\n* squid: Out of bounds read in Proxy-Authorization header causes DoS (CVE-2019-12529)\n\n* squid: Denial of service in cachemgr.cgi (CVE-2019-12854)\n\n* squid: Buffer overflow in URI processor (CVE-2019-18676)\n\n* squid: Cross-Site Request Forgery issue in HTTP Request processing (CVE-2019-18677)\n\n* squid: HTTP Request Splitting issue in HTTP message processing (CVE-2019-18678)\n\n* squid: Information Disclosure issue in HTTP Digest Authentication (CVE-2019-18679)\n\n* squid: Mishandled HTML in the host parameter to cachemgr.cgi results in insecure behaviour (CVE-2019-18860)\n\n* squid: Improper input validation issues in HTTP Request processing (CVE-2020-8449)\n\n* squid: Buffer overflow in reverse-proxy configurations (CVE-2020-8450)\n\n* squid: DoS in TLS handshake (CVE-2020-14058)\n\n* squid: Request smuggling and poisoning attack against the HTTP cache (CVE-2020-15049)\n\n* squid: Improper input validation could result in a DoS (CVE-2020-24606)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 8.3 Release Notes linked from the References section.", title: "Details", }, { category: "legal_disclaimer", text: "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", title: "Terms of Use", }, ], publisher: { category: "vendor", contact_details: "https://access.redhat.com/security/team/contact/", issuing_authority: "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", name: "Red Hat Product Security", namespace: "https://www.redhat.com", }, references: [ { category: "self", summary: "https://access.redhat.com/errata/RHSA-2020:4743", url: "https://access.redhat.com/errata/RHSA-2020:4743", }, { category: "external", summary: "https://access.redhat.com/security/updates/classification/#moderate", url: "https://access.redhat.com/security/updates/classification/#moderate", }, { category: "external", summary: "https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/", url: "https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/", }, { category: "external", summary: "1730523", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1730523", }, { category: "external", summary: "1730528", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1730528", }, { category: "external", summary: "1770349", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1770349", }, { category: "external", summary: "1770356", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1770356", }, { category: "external", summary: "1770360", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1770360", }, { category: "external", summary: "1770365", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1770365", }, { category: "external", summary: "1770371", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1770371", }, { category: "external", summary: "1770375", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1770375", }, { category: "external", summary: "1798534", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1798534", }, { category: "external", summary: "1798540", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1798540", }, { category: "external", summary: "1798552", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1798552", }, { category: "external", summary: "1817121", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1817121", }, { category: "external", summary: "1827558", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1827558", }, { category: "external", summary: "1827562", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1827562", }, { category: "external", summary: "1827570", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1827570", }, { category: "external", summary: "1852550", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1852550", }, { category: "external", summary: "1852554", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1852554", }, { category: "external", summary: "1871705", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1871705", }, { category: "self", summary: "Canonical URL", url: "https://security.access.redhat.com/data/csaf/v2/advisories/2020/rhsa-2020_4743.json", }, ], title: "Red Hat Security Advisory: squid:4 security, bug fix, and enhancement update", tracking: { current_release_date: "2024-11-22T15:13:48+00:00", generator: { date: "2024-11-22T15:13:48+00:00", engine: { name: "Red Hat SDEngine", version: "4.2.1", }, }, id: "RHSA-2020:4743", initial_release_date: "2020-11-04T01:45:05+00:00", revision_history: [ { date: "2020-11-04T01:45:05+00:00", number: "1", summary: "Initial version", }, { date: "2020-11-04T01:45:05+00:00", number: "2", summary: "Last updated version", }, { date: "2024-11-22T15:13:48+00:00", number: "3", summary: "Last generated version", }, ], status: "final", version: "3", }, }, product_tree: { branches: [ { branches: [ { branches: [ { category: "product_name", name: "Red Hat Enterprise Linux AppStream (v. 8)", product: { name: 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", }, product_reference: "squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", relates_to_product_reference: "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", }, ], }, vulnerabilities: [ { cve: "CVE-2019-12520", cwe: { id: "CWE-20", name: "Improper Input Validation", }, discovery_date: "2020-04-16T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1827558", }, ], notes: [ { category: "description", text: "A flaw was found in squid. The absolute URL of a request can include the decoded UserInfo (username and password) for certain protocols. This decoded info may contain special characters to delimit the domain, and treat the rest of the URL as a path or query string. An attacker could first make a request to their domain using an encoded username, then when a request for the target domain comes in that decodes to the exact URL, it will serve the attacker's HTML instead of the real HTML. On Squid servers that also act as reverse proxies, this allows an attacker to gain access to features that only reverse proxies can use, such as ESI.", title: "Vulnerability description", }, { category: "summary", text: "squid: Improper input validation in request allows for proxy manipulation", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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"https://nvd.nist.gov/vuln/detail/CVE-2019-12520", }, { category: "external", summary: "http://www.squid-cache.org/Advisories/SQUID-2019_4.txt", url: "http://www.squid-cache.org/Advisories/SQUID-2019_4.txt", }, ], release_date: "2020-04-24T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"2020-04-16T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1827562", }, ], notes: [ { category: "description", text: "A flaw was found in squid. When Squid is parsing ESI, it keeps the ESI elements in ESIContext. ESIContext contains a buffer for holding a stack of ESIElements. When a new ESIElement is parsed, it is added via addStackElement. addStackElement has a check for the number of elements in this buffer, but it's off by 1, leading to a Heap Overflow of 1 element. The overflow is within the same structure so it can't affect adjacent memory blocks, and thus just leads to a crash while processing.", title: "Vulnerability description", }, { category: "summary", text: "squid: Off-by-one error in addStackElement allows for heap buffer overflow and crash", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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"https://nvd.nist.gov/vuln/detail/CVE-2019-12521", }, { category: "external", summary: "http://www.squid-cache.org/Advisories/SQUID-2019_12.txt", url: "http://www.squid-cache.org/Advisories/SQUID-2019_12.txt", }, ], release_date: "2020-04-24T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"2019-11-08T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1770371", }, ], notes: [ { category: "description", text: "An issue was discovered in Squid before 4.9. When handling a URN request, a corresponding HTTP request is made. This HTTP request doesn't go through the access checks that incoming HTTP requests go through. This causes all access checks to be bypassed and allows access to restricted HTTP servers, e.g., an attacker can connect to HTTP servers that only listen on localhost.", title: "Vulnerability description", }, { category: "summary", text: "squid: Improper input validation in URI processor", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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"https://nvd.nist.gov/vuln/detail/CVE-2019-12523", }, { category: "external", summary: "http://www.squid-cache.org/Advisories/SQUID-2019_8.txt", url: "http://www.squid-cache.org/Advisories/SQUID-2019_8.txt", }, ], release_date: "2019-11-05T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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system_name: "Red Hat Bugzilla ID", text: "1827570", }, ], notes: [ { category: "description", text: "A flaw was found in squid. The Cache Manager for Squid has rules that, by default, block access to anyone other than the maintainer. An attacker, with the ability to send a properly crafted URL, can bypass the url_regex check and gain access to the blocked resource. The highest threat from this vulnerability is to data confidentiality.", title: "Vulnerability description", }, { category: "summary", text: "squid: Improper access restriction in url_regex may lead to security bypass", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"http://www.squid-cache.org/Advisories/SQUID-2019_4.txt", }, ], release_date: "2020-04-24T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", ], }, ], threats: [ { category: "impact", details: "Moderate", }, ], title: "squid: Improper access restriction in url_regex may lead to security bypass", }, { cve: "CVE-2019-12526", cwe: { id: "CWE-119", name: "Improper Restriction of Operations within the Bounds of a Memory Buffer", }, discovery_date: "2019-11-08T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1770356", }, ], notes: [ { category: "description", text: "A heap-based buffer overflow was found in the way squid processed certain Uniform Resource Names (URNs). A remote attacker could use this flaw to cause Squid to crash or execute arbitrary code with the permissions of the user running Squid.", title: "Vulnerability description", }, { category: "summary", text: "squid: Heap overflow issue in URN processing", title: "Vulnerability summary", }, { category: "other", text: "This is a heap-based buffer overflow, which can be triggered by a malicious client. The client can overwrite substantial amount of heap potentially causing squid to crash or even execute arbitrary code with the permissions of the user running squid (normally squid user which is non-privileged). Also on Red Hat Products, squid is confined with selinux which should reduce the possibilities of code execution.\n\nBecause of the above mentioned difficulties in exploitation, Red Hat Product Security has classified this flaw as having Moderate impact.", title: "Statement", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"http://www.squid-cache.org/Advisories/SQUID-2019_7.txt", }, ], release_date: "2019-11-05T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", 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"description", text: "A flaw was found in squid. It allows a crafted FTP server to trigger disclosure of sensitive information from heap memory, such as information associated with other users' sessions or non-Squid processes.", title: "Vulnerability description", }, { category: "summary", text: "squid: Information Disclosure issue in FTP Gateway", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", ], }, references: [ { category: "self", summary: "Canonical URL", url: "https://access.redhat.com/security/cve/CVE-2019-12528", }, { category: "external", summary: "RHBZ#1798534", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1798534", }, { category: "external", summary: "https://www.cve.org/CVERecord?id=CVE-2019-12528", url: "https://www.cve.org/CVERecord?id=CVE-2019-12528", }, { category: "external", summary: "https://nvd.nist.gov/vuln/detail/CVE-2019-12528", url: "https://nvd.nist.gov/vuln/detail/CVE-2019-12528", }, { category: "external", summary: "http://www.squid-cache.org/Advisories/SQUID-2020_2.txt", url: "http://www.squid-cache.org/Advisories/SQUID-2020_2.txt", }, ], release_date: "2020-02-02T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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In order to do so, remove the following line from your squid configuration file:\nacl Safe_ports 21\n\nThen add the following lines to your squid configuration file:\nacl FTP proto FTP\nhttp_access deny FTP", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.x86_64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-debuginfo-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", 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{ attackComplexity: "HIGH", attackVector: "NETWORK", availabilityImpact: "NONE", baseScore: 5.9, baseSeverity: "MEDIUM", confidentialityImpact: "HIGH", integrityImpact: "NONE", privilegesRequired: "NONE", scope: "UNCHANGED", userInteraction: "NONE", vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", version: "3.1", }, products: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.x86_64", 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", ], }, ], threats: [ { category: "impact", details: "Moderate", }, ], title: "squid: Information Disclosure issue in FTP Gateway", }, { cve: "CVE-2019-12529", cwe: { id: "CWE-119", name: "Improper Restriction of Operations within the Bounds of a Memory Buffer", }, discovery_date: "2019-07-12T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1730528", }, ], notes: [ { category: "description", text: "An issue was discovered in Squid 2.x through 2.7.STABLE9, 3.x through 3.5.28, and 4.x through 4.7. When Squid is configured to use Basic Authentication, the Proxy-Authorization header is parsed via uudecode. uudecode determines how many bytes will be decoded by iterating over the input and checking its table. The length is then used to start decoding the string. There are no checks to ensure that the length it calculates isn't greater than the input buffer. This leads to adjacent memory being decoded as well. An attacker would not be able to retrieve the decoded data unless the Squid maintainer had configured the display of usernames on error pages.", title: "Vulnerability description", }, { category: "summary", text: "squid: Out of bounds read in Proxy-Authorization header causes DoS", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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"https://nvd.nist.gov/vuln/detail/CVE-2019-12529", }, { category: "external", summary: "http://www.squid-cache.org/Advisories/SQUID-2019_2.txt", url: "http://www.squid-cache.org/Advisories/SQUID-2019_2.txt", }, ], release_date: "2019-07-11T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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text: "Due to incorrect string termination, Squid cachemgr.cgi 4.0 through 4.7 may access unallocated memory. On systems with memory access protections, this can cause the CGI process to terminate unexpectedly, resulting in a denial of service for all clients using it.", title: "Vulnerability description", }, { category: "summary", text: "squid: Denial of service in cachemgr.cgi", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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"https://nvd.nist.gov/vuln/detail/CVE-2019-12854", }, { category: "external", summary: "http://www.squid-cache.org/Advisories/SQUID-2019_1.txt", url: "http://www.squid-cache.org/Advisories/SQUID-2019_1.txt", }, ], release_date: "2019-07-12T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"2019-11-08T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1770375", }, ], notes: [ { category: "description", text: "An issue was discovered in Squid 3.x and 4.x through 4.8. Due to incorrect input validation, there is a heap-based buffer overflow that can result in Denial of Service to all clients using the proxy. Severity is high due to this vulnerability occurring before normal security checks; any remote client that can reach the proxy port can trivially perform the attack via a crafted URI scheme.", title: "Vulnerability description", }, { category: "summary", text: "squid: Buffer overflow in URI processor", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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"https://nvd.nist.gov/vuln/detail/CVE-2019-18676", }, { category: "external", summary: "http://www.squid-cache.org/Advisories/SQUID-2019_8.txt", url: "http://www.squid-cache.org/Advisories/SQUID-2019_8.txt", }, ], release_date: "2019-11-05T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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discovery_date: "2019-11-08T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1770365", }, ], notes: [ { category: "description", text: "An issue was discovered in Squid 3.x and 4.x through 4.8 when the append_domain setting is used (because the appended characters do not properly interact with hostname length restrictions). Due to incorrect message processing, it can inappropriately redirect traffic to origins it should not be delivered to.", title: "Vulnerability description", }, { category: "summary", text: "squid: Cross-Site Request Forgery issue in HTTP Request processing", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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{ attackComplexity: "HIGH", attackVector: "NETWORK", availabilityImpact: "NONE", baseScore: 7.4, baseSeverity: "HIGH", confidentialityImpact: "HIGH", integrityImpact: "HIGH", privilegesRequired: "NONE", scope: "UNCHANGED", userInteraction: "NONE", vectorString: "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", version: "3.0", }, products: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.x86_64", 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", ], }, ], threats: [ { category: "impact", details: "Moderate", }, ], title: "squid: Cross-Site Request Forgery issue in HTTP Request processing", }, { cve: "CVE-2019-18678", cwe: { id: "CWE-20", name: "Improper Input Validation", }, discovery_date: "2019-11-08T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1770349", }, ], notes: [ { category: "description", text: "An issue was discovered in Squid 3.x and 4.x through 4.8. It allows attackers to smuggle HTTP requests through frontend software to a Squid instance that splits the HTTP Request pipeline differently. The resulting Response messages corrupt caches (between a client and Squid) with attacker-controlled content at arbitrary URLs. Effects are isolated to software between the attacker client and Squid. There are no effects on Squid itself, nor on any upstream servers. The issue is related to a request header containing whitespace between a header name and a colon.", title: "Vulnerability description", }, { category: "summary", text: "squid: HTTP Request Splitting issue in HTTP message processing", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"http://www.squid-cache.org/Advisories/SQUID-2019_10.txt", }, ], release_date: "2019-11-05T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", ], }, ], threats: [ { category: "impact", details: "Moderate", }, ], title: "squid: HTTP Request Splitting issue in HTTP message processing", }, { cve: "CVE-2019-18679", cwe: { id: "CWE-200", name: "Exposure of Sensitive Information to an Unauthorized Actor", }, discovery_date: "2019-11-08T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1770360", }, ], notes: [ { category: "description", text: "An issue was discovered in Squid 2.x, 3.x, and 4.x through 4.8. Due to incorrect data management, it is vulnerable to information disclosure when processing HTTP Digest Authentication. Nonce tokens contain the raw byte value of a pointer that sits within heap memory allocation. This information reduces ASLR protections and may aid attackers isolating memory areas to target for remote code execution attacks.", title: "Vulnerability description", }, { category: "summary", text: "squid: Information Disclosure issue in HTTP Digest Authentication", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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"https://nvd.nist.gov/vuln/detail/CVE-2019-18679", }, { category: "external", summary: "http://www.squid-cache.org/Advisories/SQUID-2019_11.txt", url: "http://www.squid-cache.org/Advisories/SQUID-2019_11.txt", }, ], release_date: "2019-11-05T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"1817121", }, ], notes: [ { category: "description", text: "A flaw was found in squid. Squid, when certain web browsers are used, mishandles HTML in the host parameter to cachemgr.cgi which could result in squid behaving in unsecure way.", title: "Vulnerability description", }, { category: "summary", text: "squid: Mishandled HTML in the host parameter to cachemgr.cgi results in insecure behaviour", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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category: "impact", details: "Moderate", }, ], title: "squid: Mishandled HTML in the host parameter to cachemgr.cgi results in insecure behaviour", }, { cve: "CVE-2020-8449", cwe: { id: "CWE-20", name: "Improper Input Validation", }, discovery_date: "2020-02-02T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1798540", }, ], notes: [ { category: "description", text: "A flaw was found in squid. Due to incorrect input validation, squid can interpret crafted HTTP requests in unexpected ways to access server resources prohibited by earlier security filters.", title: "Vulnerability description", }, { category: "summary", text: "squid: Improper input validation issues in HTTP Request processing", title: "Vulnerability summary", }, { category: "other", text: "This only affects deployments acting as reverse proxy with a http_port 'accel' or 'vhost' (squid 2.x and 3.x) or http_port 'accel' configuration (squid 4.x).", title: "Statement", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", 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summary: "https://www.cve.org/CVERecord?id=CVE-2020-8449", url: "https://www.cve.org/CVERecord?id=CVE-2020-8449", }, { category: "external", summary: "https://nvd.nist.gov/vuln/detail/CVE-2020-8449", url: "https://nvd.nist.gov/vuln/detail/CVE-2020-8449", }, ], release_date: "2020-02-03T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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Buffer", }, discovery_date: "2020-02-02T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1798552", }, ], notes: [ { category: "description", text: "A flaw was found in squid. Due to incorrect buffer management, a remote client can cause a buffer overflow in a Squid instance acting as a reverse proxy.", title: "Vulnerability description", }, { category: "summary", text: "squid: Buffer overflow in reverse-proxy configurations", title: "Vulnerability summary", }, { category: "other", text: "Although the squid packages for Red Hat Enterprise Linux 6 through 8 are affected, they are compiled with FORTIFY_SOURCE, which in this case limits the impact of the buffer overflow to an application termination. This only affects deployments acting as reverse proxy with a http_port 'accel' or 'vhost' (squid 2.x and 3.x) or http_port 'accel' configuration (squid 4.x).", title: "Statement", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", ], }, references: [ { category: "self", summary: "Canonical URL", url: "https://access.redhat.com/security/cve/CVE-2020-8450", }, { category: "external", summary: "RHBZ#1798552", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1798552", }, { category: "external", summary: "https://www.cve.org/CVERecord?id=CVE-2020-8450", url: "https://www.cve.org/CVERecord?id=CVE-2020-8450", }, { category: "external", summary: "https://nvd.nist.gov/vuln/detail/CVE-2020-8450", url: "https://nvd.nist.gov/vuln/detail/CVE-2020-8450", }, ], release_date: "2020-02-03T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.x86_64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-debuginfo-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", 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category: "none", }, url: "https://access.redhat.com/errata/RHSA-2020:4743", }, ], scores: [ { cvss_v3: { attackComplexity: "HIGH", attackVector: "NETWORK", availabilityImpact: "HIGH", baseScore: 5.9, baseSeverity: "MEDIUM", confidentialityImpact: "NONE", integrityImpact: "NONE", privilegesRequired: "NONE", scope: "UNCHANGED", userInteraction: "NONE", vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", version: "3.1", }, products: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", ], }, ], threats: [ { category: "impact", details: "Moderate", }, ], title: "squid: Buffer overflow in reverse-proxy configurations", }, { cve: "CVE-2020-14058", cwe: { id: "CWE-676", name: "Use of Potentially Dangerous Function", }, discovery_date: "2020-06-19T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1852554", }, ], notes: [ { category: "description", text: "A flaw was found in squid. A denial-of-service attack while processing TLS certificates is possible due to use of a potentially dangerous function in Squid and the default certificate validation helper. The highest threat from this vulnerability is to system availability.", title: "Vulnerability description", }, { category: "summary", text: "squid: DoS in TLS handshake", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"https://github.com/squid-cache/squid/security/advisories/GHSA-qvf6-485q-vm57", url: "https://github.com/squid-cache/squid/security/advisories/GHSA-qvf6-485q-vm57", }, ], release_date: "2020-06-19T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"2020-06-26T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1852550", }, ], notes: [ { category: "description", text: "A flaw was found in squid. A trusted client is able to perform a request smuggling and poison the HTTP cache contents with crafted HTTP(S) request messages. This attack requires an upstream server to participate in the smuggling and generate the poison response sequence. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.", title: "Vulnerability description", }, { category: "summary", text: "squid: Request smuggling and poisoning attack against the HTTP cache", title: "Vulnerability summary", }, { category: "other", text: "This issue has been rated as having moderate security impact, (despite of having a higher CVSS scoring) because the attack requires an upstream server to participate in the smuggling attack and generate the poison response sequence, which is really uncommon because most popular software are not vulnerable to participation in this attack. While the vulnerability does exists in squid, it is not easily exploitable and requires participation of other components on the network.", title: "Statement", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", 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"2020-06-26T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.x86_64", 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", ], }, ], threats: [ { category: "impact", details: "Moderate", }, ], title: "squid: Request smuggling and poisoning attack against the HTTP cache", }, { cve: "CVE-2020-24606", cwe: { id: "CWE-20", name: "Improper Input Validation", }, discovery_date: "2020-08-24T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1871705", }, ], notes: [ { category: "description", text: "A flaw was found in squid. A denial of service attack is possible due to an improper input validation. The highest threat from this vulnerability is to system availability.", title: "Vulnerability description", }, { category: "summary", text: "squid: Improper input validation could result in a DoS", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"https://github.com/squid-cache/squid/security/advisories/GHSA-vvj7-xjgq-g2jg", url: "https://github.com/squid-cache/squid/security/advisories/GHSA-vvj7-xjgq-g2jg", }, ], release_date: "2020-08-23T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debuginfo-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", ], }, ], threats: [ { category: "impact", details: "Moderate", }, ], title: "squid: Improper input validation could result in a DoS", }, ], }
rhsa-2020:4743
Vulnerability from csaf_redhat
Published
2020-11-04 01:45
Modified
2024-11-22 15:13
Summary
Red Hat Security Advisory: squid:4 security, bug fix, and enhancement update
Notes
Topic
An update for the squid:4 module is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.
The following packages have been upgraded to a later upstream version: squid (4.11). (BZ#1829467)
Security Fix(es):
* squid: Improper input validation in request allows for proxy manipulation (CVE-2019-12520)
* squid: Off-by-one error in addStackElement allows for heap buffer overflow and crash (CVE-2019-12521)
* squid: Improper input validation in URI processor (CVE-2019-12523)
* squid: Improper access restriction in url_regex may lead to security bypass (CVE-2019-12524)
* squid: Heap overflow issue in URN processing (CVE-2019-12526)
* squid: Information Disclosure issue in FTP Gateway (CVE-2019-12528)
* squid: Out of bounds read in Proxy-Authorization header causes DoS (CVE-2019-12529)
* squid: Denial of service in cachemgr.cgi (CVE-2019-12854)
* squid: Buffer overflow in URI processor (CVE-2019-18676)
* squid: Cross-Site Request Forgery issue in HTTP Request processing (CVE-2019-18677)
* squid: HTTP Request Splitting issue in HTTP message processing (CVE-2019-18678)
* squid: Information Disclosure issue in HTTP Digest Authentication (CVE-2019-18679)
* squid: Mishandled HTML in the host parameter to cachemgr.cgi results in insecure behaviour (CVE-2019-18860)
* squid: Improper input validation issues in HTTP Request processing (CVE-2020-8449)
* squid: Buffer overflow in reverse-proxy configurations (CVE-2020-8450)
* squid: DoS in TLS handshake (CVE-2020-14058)
* squid: Request smuggling and poisoning attack against the HTTP cache (CVE-2020-15049)
* squid: Improper input validation could result in a DoS (CVE-2020-24606)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.3 Release Notes linked from the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ document: { aggregate_severity: { namespace: "https://access.redhat.com/security/updates/classification/", text: "Moderate", }, category: "csaf_security_advisory", csaf_version: "2.0", distribution: { text: "Copyright © Red Hat, Inc. All rights reserved.", tlp: { label: "WHITE", url: "https://www.first.org/tlp/", }, }, lang: "en", notes: [ { category: "summary", text: "An update for the squid:4 module is now available for Red Hat Enterprise Linux 8.\n\nRed Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", title: "Topic", }, { category: "general", text: "Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.\n\nThe following packages have been upgraded to a later upstream version: squid (4.11). (BZ#1829467)\n\nSecurity Fix(es):\n\n* squid: Improper input validation in request allows for proxy manipulation (CVE-2019-12520)\n\n* squid: Off-by-one error in addStackElement allows for heap buffer overflow and crash (CVE-2019-12521)\n\n* squid: Improper input validation in URI processor (CVE-2019-12523)\n\n* squid: Improper access restriction in url_regex may lead to security bypass (CVE-2019-12524)\n\n* squid: Heap overflow issue in URN processing (CVE-2019-12526)\n\n* squid: Information Disclosure issue in FTP Gateway (CVE-2019-12528)\n\n* squid: Out of bounds read in Proxy-Authorization header causes DoS (CVE-2019-12529)\n\n* squid: Denial of service in cachemgr.cgi (CVE-2019-12854)\n\n* squid: Buffer overflow in URI processor (CVE-2019-18676)\n\n* squid: Cross-Site Request Forgery issue in HTTP Request processing (CVE-2019-18677)\n\n* squid: HTTP Request Splitting issue in HTTP message processing (CVE-2019-18678)\n\n* squid: Information Disclosure issue in HTTP Digest Authentication (CVE-2019-18679)\n\n* squid: Mishandled HTML in the host parameter to cachemgr.cgi results in insecure behaviour (CVE-2019-18860)\n\n* squid: Improper input validation issues in HTTP Request processing (CVE-2020-8449)\n\n* squid: Buffer overflow in reverse-proxy configurations (CVE-2020-8450)\n\n* squid: DoS in TLS handshake (CVE-2020-14058)\n\n* squid: Request smuggling and poisoning attack against the HTTP cache (CVE-2020-15049)\n\n* squid: Improper input validation could result in a DoS (CVE-2020-24606)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 8.3 Release Notes linked from the References section.", title: "Details", }, { category: "legal_disclaimer", text: "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", title: "Terms of Use", }, ], publisher: { category: "vendor", contact_details: "https://access.redhat.com/security/team/contact/", issuing_authority: "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", name: "Red Hat Product Security", namespace: "https://www.redhat.com", }, references: [ { category: "self", summary: "https://access.redhat.com/errata/RHSA-2020:4743", url: "https://access.redhat.com/errata/RHSA-2020:4743", }, { category: "external", summary: "https://access.redhat.com/security/updates/classification/#moderate", url: "https://access.redhat.com/security/updates/classification/#moderate", }, { category: "external", summary: "https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/", url: "https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/", }, { category: "external", summary: "1730523", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1730523", }, { category: "external", summary: "1730528", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1730528", }, { category: "external", summary: "1770349", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1770349", }, { category: "external", summary: "1770356", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1770356", }, { category: "external", summary: "1770360", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1770360", }, { category: "external", summary: "1770365", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1770365", }, { category: "external", summary: "1770371", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1770371", }, { category: "external", summary: "1770375", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1770375", }, { category: "external", summary: "1798534", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1798534", }, { category: "external", summary: "1798540", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1798540", }, { category: "external", summary: "1798552", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1798552", }, { category: "external", summary: "1817121", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1817121", }, { category: "external", summary: "1827558", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1827558", }, { category: "external", summary: "1827562", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1827562", }, { category: "external", summary: "1827570", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1827570", }, { category: "external", summary: "1852550", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1852550", }, { category: "external", summary: "1852554", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1852554", }, { category: "external", summary: "1871705", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1871705", }, { category: "self", summary: "Canonical URL", url: "https://security.access.redhat.com/data/csaf/v2/advisories/2020/rhsa-2020_4743.json", }, ], title: "Red Hat Security Advisory: squid:4 security, bug fix, and enhancement update", tracking: { current_release_date: "2024-11-22T15:13:48+00:00", generator: { date: "2024-11-22T15:13:48+00:00", engine: { name: "Red Hat SDEngine", version: "4.2.1", }, }, id: "RHSA-2020:4743", initial_release_date: "2020-11-04T01:45:05+00:00", revision_history: [ { date: "2020-11-04T01:45:05+00:00", number: "1", summary: "Initial version", }, { date: "2020-11-04T01:45:05+00:00", number: "2", summary: "Last updated version", }, { date: "2024-11-22T15:13:48+00:00", number: "3", summary: "Last generated version", }, ], status: "final", version: "3", }, }, product_tree: { branches: [ { branches: [ { branches: [ { category: "product_name", name: "Red Hat Enterprise Linux AppStream (v. 8)", product: { name: "Red Hat Enterprise Linux AppStream (v. 8)", product_id: "AppStream-8.3.0.GA", product_identification_helper: { cpe: "cpe:/a:redhat:enterprise_linux:8::appstream", }, }, }, ], category: "product_family", name: "Red Hat Enterprise Linux", }, { branches: [ { category: "product_version", name: "squid:4:8030020200828070549:30b713e6", product: { name: "squid:4:8030020200828070549:30b713e6", product_id: "squid:4:8030020200828070549:30b713e6", product_identification_helper: { purl: "pkg:rpmmod/redhat/squid@4:8030020200828070549:30b713e6", }, }, }, ], category: "architecture", name: "noarch", }, { branches: [ { category: "product_version", name: "libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", product: { name: "libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", product_id: "libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", product_identification_helper: { purl: "pkg:rpm/redhat/libecap@1.0.1-2.module%2Bel8.1.0%2B4044%2B36416a77?arch=src", }, }, }, { category: "product_version", name: "squid-7:4.11-3.module+el8.3.0+7851+7808b5f9.src", product: { name: "squid-7:4.11-3.module+el8.3.0+7851+7808b5f9.src", product_id: "squid-7:4.11-3.module+el8.3.0+7851+7808b5f9.src", product_identification_helper: { purl: "pkg:rpm/redhat/squid@4.11-3.module%2Bel8.3.0%2B7851%2B7808b5f9?arch=src&epoch=7", }, }, }, ], category: "architecture", name: "src", }, { branches: [ { category: "product_version", name: "libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.x86_64", product: { name: "libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.x86_64", product_id: "libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.x86_64", product_identification_helper: { purl: "pkg:rpm/redhat/libecap@1.0.1-2.module%2Bel8.1.0%2B4044%2B36416a77?arch=x86_64", }, }, }, { category: "product_version", name: "libecap-debuginfo-0:1.0.1-2.module+el8.1.0+4044+36416a77.x86_64", product: { name: "libecap-debuginfo-0:1.0.1-2.module+el8.1.0+4044+36416a77.x86_64", product_id: 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", }, product_reference: "squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", relates_to_product_reference: "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", }, ], }, vulnerabilities: [ { cve: "CVE-2019-12520", cwe: { id: "CWE-20", name: "Improper Input Validation", }, discovery_date: "2020-04-16T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1827558", }, ], notes: [ { category: "description", text: "A flaw was found in squid. The absolute URL of a request can include the decoded UserInfo (username and password) for certain protocols. This decoded info may contain special characters to delimit the domain, and treat the rest of the URL as a path or query string. An attacker could first make a request to their domain using an encoded username, then when a request for the target domain comes in that decodes to the exact URL, it will serve the attacker's HTML instead of the real HTML. On Squid servers that also act as reverse proxies, this allows an attacker to gain access to features that only reverse proxies can use, such as ESI.", title: "Vulnerability description", }, { category: "summary", text: "squid: Improper input validation in request allows for proxy manipulation", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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"2020-04-16T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1827562", }, ], notes: [ { category: "description", text: "A flaw was found in squid. When Squid is parsing ESI, it keeps the ESI elements in ESIContext. ESIContext contains a buffer for holding a stack of ESIElements. When a new ESIElement is parsed, it is added via addStackElement. addStackElement has a check for the number of elements in this buffer, but it's off by 1, leading to a Heap Overflow of 1 element. The overflow is within the same structure so it can't affect adjacent memory blocks, and thus just leads to a crash while processing.", title: "Vulnerability description", }, { category: "summary", text: "squid: Off-by-one error in addStackElement allows for heap buffer overflow and crash", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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"https://nvd.nist.gov/vuln/detail/CVE-2019-12521", }, { category: "external", summary: "http://www.squid-cache.org/Advisories/SQUID-2019_12.txt", url: "http://www.squid-cache.org/Advisories/SQUID-2019_12.txt", }, ], release_date: "2020-04-24T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"2019-11-08T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1770371", }, ], notes: [ { category: "description", text: "An issue was discovered in Squid before 4.9. When handling a URN request, a corresponding HTTP request is made. This HTTP request doesn't go through the access checks that incoming HTTP requests go through. This causes all access checks to be bypassed and allows access to restricted HTTP servers, e.g., an attacker can connect to HTTP servers that only listen on localhost.", title: "Vulnerability description", }, { category: "summary", text: "squid: Improper input validation in URI processor", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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"https://nvd.nist.gov/vuln/detail/CVE-2019-12523", }, { category: "external", summary: "http://www.squid-cache.org/Advisories/SQUID-2019_8.txt", url: "http://www.squid-cache.org/Advisories/SQUID-2019_8.txt", }, ], release_date: "2019-11-05T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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system_name: "Red Hat Bugzilla ID", text: "1827570", }, ], notes: [ { category: "description", text: "A flaw was found in squid. The Cache Manager for Squid has rules that, by default, block access to anyone other than the maintainer. An attacker, with the ability to send a properly crafted URL, can bypass the url_regex check and gain access to the blocked resource. The highest threat from this vulnerability is to data confidentiality.", title: "Vulnerability description", }, { category: "summary", text: "squid: Improper access restriction in url_regex may lead to security bypass", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"http://www.squid-cache.org/Advisories/SQUID-2019_4.txt", }, ], release_date: "2020-04-24T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", ], }, ], threats: [ { category: "impact", details: "Moderate", }, ], title: "squid: Improper access restriction in url_regex may lead to security bypass", }, { cve: "CVE-2019-12526", cwe: { id: "CWE-119", name: "Improper Restriction of Operations within the Bounds of a Memory Buffer", }, discovery_date: "2019-11-08T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1770356", }, ], notes: [ { category: "description", text: "A heap-based buffer overflow was found in the way squid processed certain Uniform Resource Names (URNs). A remote attacker could use this flaw to cause Squid to crash or execute arbitrary code with the permissions of the user running Squid.", title: "Vulnerability description", }, { category: "summary", text: "squid: Heap overflow issue in URN processing", title: "Vulnerability summary", }, { category: "other", text: "This is a heap-based buffer overflow, which can be triggered by a malicious client. The client can overwrite substantial amount of heap potentially causing squid to crash or even execute arbitrary code with the permissions of the user running squid (normally squid user which is non-privileged). Also on Red Hat Products, squid is confined with selinux which should reduce the possibilities of code execution.\n\nBecause of the above mentioned difficulties in exploitation, Red Hat Product Security has classified this flaw as having Moderate impact.", title: "Statement", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"http://www.squid-cache.org/Advisories/SQUID-2019_7.txt", }, ], release_date: "2019-11-05T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", 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"description", text: "A flaw was found in squid. It allows a crafted FTP server to trigger disclosure of sensitive information from heap memory, such as information associated with other users' sessions or non-Squid processes.", title: "Vulnerability description", }, { category: "summary", text: "squid: Information Disclosure issue in FTP Gateway", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", ], }, references: [ { category: "self", summary: "Canonical URL", url: "https://access.redhat.com/security/cve/CVE-2019-12528", }, { category: "external", summary: "RHBZ#1798534", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1798534", }, { category: "external", summary: "https://www.cve.org/CVERecord?id=CVE-2019-12528", url: "https://www.cve.org/CVERecord?id=CVE-2019-12528", }, { category: "external", summary: "https://nvd.nist.gov/vuln/detail/CVE-2019-12528", url: "https://nvd.nist.gov/vuln/detail/CVE-2019-12528", }, { category: "external", summary: "http://www.squid-cache.org/Advisories/SQUID-2020_2.txt", url: "http://www.squid-cache.org/Advisories/SQUID-2020_2.txt", }, ], release_date: "2020-02-02T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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In order to do so, remove the following line from your squid configuration file:\nacl Safe_ports 21\n\nThen add the following lines to your squid configuration file:\nacl FTP proto FTP\nhttp_access deny FTP", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.x86_64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-debuginfo-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", 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{ attackComplexity: "HIGH", attackVector: "NETWORK", availabilityImpact: "NONE", baseScore: 5.9, baseSeverity: "MEDIUM", confidentialityImpact: "HIGH", integrityImpact: "NONE", privilegesRequired: "NONE", scope: "UNCHANGED", userInteraction: "NONE", vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", version: "3.1", }, products: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.x86_64", 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", ], }, ], threats: [ { category: "impact", details: "Moderate", }, ], title: "squid: Information Disclosure issue in FTP Gateway", }, { cve: "CVE-2019-12529", cwe: { id: "CWE-119", name: "Improper Restriction of Operations within the Bounds of a Memory Buffer", }, discovery_date: "2019-07-12T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1730528", }, ], notes: [ { category: "description", text: "An issue was discovered in Squid 2.x through 2.7.STABLE9, 3.x through 3.5.28, and 4.x through 4.7. When Squid is configured to use Basic Authentication, the Proxy-Authorization header is parsed via uudecode. uudecode determines how many bytes will be decoded by iterating over the input and checking its table. The length is then used to start decoding the string. There are no checks to ensure that the length it calculates isn't greater than the input buffer. This leads to adjacent memory being decoded as well. An attacker would not be able to retrieve the decoded data unless the Squid maintainer had configured the display of usernames on error pages.", title: "Vulnerability description", }, { category: "summary", text: "squid: Out of bounds read in Proxy-Authorization header causes DoS", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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"https://nvd.nist.gov/vuln/detail/CVE-2019-12529", }, { category: "external", summary: "http://www.squid-cache.org/Advisories/SQUID-2019_2.txt", url: "http://www.squid-cache.org/Advisories/SQUID-2019_2.txt", }, ], release_date: "2019-07-11T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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text: "Due to incorrect string termination, Squid cachemgr.cgi 4.0 through 4.7 may access unallocated memory. On systems with memory access protections, this can cause the CGI process to terminate unexpectedly, resulting in a denial of service for all clients using it.", title: "Vulnerability description", }, { category: "summary", text: "squid: Denial of service in cachemgr.cgi", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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"https://nvd.nist.gov/vuln/detail/CVE-2019-12854", }, { category: "external", summary: "http://www.squid-cache.org/Advisories/SQUID-2019_1.txt", url: "http://www.squid-cache.org/Advisories/SQUID-2019_1.txt", }, ], release_date: "2019-07-12T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"2019-11-08T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1770375", }, ], notes: [ { category: "description", text: "An issue was discovered in Squid 3.x and 4.x through 4.8. Due to incorrect input validation, there is a heap-based buffer overflow that can result in Denial of Service to all clients using the proxy. Severity is high due to this vulnerability occurring before normal security checks; any remote client that can reach the proxy port can trivially perform the attack via a crafted URI scheme.", title: "Vulnerability description", }, { category: "summary", text: "squid: Buffer overflow in URI processor", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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"https://nvd.nist.gov/vuln/detail/CVE-2019-18676", }, { category: "external", summary: "http://www.squid-cache.org/Advisories/SQUID-2019_8.txt", url: "http://www.squid-cache.org/Advisories/SQUID-2019_8.txt", }, ], release_date: "2019-11-05T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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discovery_date: "2019-11-08T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1770365", }, ], notes: [ { category: "description", text: "An issue was discovered in Squid 3.x and 4.x through 4.8 when the append_domain setting is used (because the appended characters do not properly interact with hostname length restrictions). Due to incorrect message processing, it can inappropriately redirect traffic to origins it should not be delivered to.", title: "Vulnerability description", }, { category: "summary", text: "squid: Cross-Site Request Forgery issue in HTTP Request processing", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", ], }, references: [ { category: "self", summary: "Canonical URL", url: "https://access.redhat.com/security/cve/CVE-2019-18677", }, { category: "external", summary: "RHBZ#1770365", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1770365", }, { category: "external", summary: "https://www.cve.org/CVERecord?id=CVE-2019-18677", url: "https://www.cve.org/CVERecord?id=CVE-2019-18677", }, { category: "external", summary: "https://nvd.nist.gov/vuln/detail/CVE-2019-18677", url: "https://nvd.nist.gov/vuln/detail/CVE-2019-18677", }, { category: "external", summary: "http://www.squid-cache.org/Advisories/SQUID-2019_9.txt", url: "http://www.squid-cache.org/Advisories/SQUID-2019_9.txt", }, ], release_date: "2019-11-05T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", 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{ attackComplexity: "HIGH", attackVector: "NETWORK", availabilityImpact: "NONE", baseScore: 7.4, baseSeverity: "HIGH", confidentialityImpact: "HIGH", integrityImpact: "HIGH", privilegesRequired: "NONE", scope: "UNCHANGED", userInteraction: "NONE", vectorString: "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", version: "3.0", }, products: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.x86_64", 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", ], }, ], threats: [ { category: "impact", details: "Moderate", }, ], title: "squid: Cross-Site Request Forgery issue in HTTP Request processing", }, { cve: "CVE-2019-18678", cwe: { id: "CWE-20", name: "Improper Input Validation", }, discovery_date: "2019-11-08T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1770349", }, ], notes: [ { category: "description", text: "An issue was discovered in Squid 3.x and 4.x through 4.8. It allows attackers to smuggle HTTP requests through frontend software to a Squid instance that splits the HTTP Request pipeline differently. The resulting Response messages corrupt caches (between a client and Squid) with attacker-controlled content at arbitrary URLs. Effects are isolated to software between the attacker client and Squid. There are no effects on Squid itself, nor on any upstream servers. The issue is related to a request header containing whitespace between a header name and a colon.", title: "Vulnerability description", }, { category: "summary", text: "squid: HTTP Request Splitting issue in HTTP message processing", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", ], }, references: [ { category: "self", summary: "Canonical URL", url: "https://access.redhat.com/security/cve/CVE-2019-18678", }, { category: "external", summary: "RHBZ#1770349", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1770349", }, { category: "external", summary: "https://www.cve.org/CVERecord?id=CVE-2019-18678", url: "https://www.cve.org/CVERecord?id=CVE-2019-18678", }, { category: "external", summary: "https://nvd.nist.gov/vuln/detail/CVE-2019-18678", url: "https://nvd.nist.gov/vuln/detail/CVE-2019-18678", }, { category: "external", summary: "http://www.squid-cache.org/Advisories/SQUID-2019_10.txt", url: "http://www.squid-cache.org/Advisories/SQUID-2019_10.txt", }, ], release_date: "2019-11-05T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", 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Due to incorrect data management, it is vulnerable to information disclosure when processing HTTP Digest Authentication. Nonce tokens contain the raw byte value of a pointer that sits within heap memory allocation. This information reduces ASLR protections and may aid attackers isolating memory areas to target for remote code execution attacks.", title: "Vulnerability description", }, { category: "summary", text: "squid: Information Disclosure issue in HTTP Digest Authentication", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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"https://nvd.nist.gov/vuln/detail/CVE-2019-18679", }, { category: "external", summary: "http://www.squid-cache.org/Advisories/SQUID-2019_11.txt", url: "http://www.squid-cache.org/Advisories/SQUID-2019_11.txt", }, ], release_date: "2019-11-05T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"1817121", }, ], notes: [ { category: "description", text: "A flaw was found in squid. Squid, when certain web browsers are used, mishandles HTML in the host parameter to cachemgr.cgi which could result in squid behaving in unsecure way.", title: "Vulnerability description", }, { category: "summary", text: "squid: Mishandled HTML in the host parameter to cachemgr.cgi results in insecure behaviour", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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"https://nvd.nist.gov/vuln/detail/CVE-2019-18860", }, { category: "external", summary: "https://github.com/squid-cache/squid/pull/504", url: "https://github.com/squid-cache/squid/pull/504", }, ], release_date: "2019-11-03T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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confidentialityImpact: "LOW", integrityImpact: "LOW", privilegesRequired: "NONE", scope: "CHANGED", userInteraction: "REQUIRED", vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", version: "3.1", }, products: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.x86_64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-debuginfo-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", 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category: "impact", details: "Moderate", }, ], title: "squid: Mishandled HTML in the host parameter to cachemgr.cgi results in insecure behaviour", }, { cve: "CVE-2020-8449", cwe: { id: "CWE-20", name: "Improper Input Validation", }, discovery_date: "2020-02-02T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1798540", }, ], notes: [ { category: "description", text: "A flaw was found in squid. Due to incorrect input validation, squid can interpret crafted HTTP requests in unexpected ways to access server resources prohibited by earlier security filters.", title: "Vulnerability description", }, { category: "summary", text: "squid: Improper input validation issues in HTTP Request processing", title: "Vulnerability summary", }, { category: "other", text: "This only affects deployments acting as reverse proxy with a http_port 'accel' or 'vhost' (squid 2.x and 3.x) or http_port 'accel' configuration (squid 4.x).", title: "Statement", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", 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summary: "https://www.cve.org/CVERecord?id=CVE-2020-8449", url: "https://www.cve.org/CVERecord?id=CVE-2020-8449", }, { category: "external", summary: "https://nvd.nist.gov/vuln/detail/CVE-2020-8449", url: "https://nvd.nist.gov/vuln/detail/CVE-2020-8449", }, ], release_date: "2020-02-03T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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Buffer", }, discovery_date: "2020-02-02T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1798552", }, ], notes: [ { category: "description", text: "A flaw was found in squid. Due to incorrect buffer management, a remote client can cause a buffer overflow in a Squid instance acting as a reverse proxy.", title: "Vulnerability description", }, { category: "summary", text: "squid: Buffer overflow in reverse-proxy configurations", title: "Vulnerability summary", }, { category: "other", text: "Although the squid packages for Red Hat Enterprise Linux 6 through 8 are affected, they are compiled with FORTIFY_SOURCE, which in this case limits the impact of the buffer overflow to an application termination. This only affects deployments acting as reverse proxy with a http_port 'accel' or 'vhost' (squid 2.x and 3.x) or http_port 'accel' configuration (squid 4.x).", title: "Statement", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", ], }, references: [ { category: "self", summary: "Canonical URL", url: "https://access.redhat.com/security/cve/CVE-2020-8450", }, { category: "external", summary: "RHBZ#1798552", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1798552", }, { category: "external", summary: "https://www.cve.org/CVERecord?id=CVE-2020-8450", url: "https://www.cve.org/CVERecord?id=CVE-2020-8450", }, { category: "external", summary: "https://nvd.nist.gov/vuln/detail/CVE-2020-8450", url: "https://nvd.nist.gov/vuln/detail/CVE-2020-8450", }, ], release_date: "2020-02-03T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.x86_64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-debuginfo-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", 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category: "none", }, url: "https://access.redhat.com/errata/RHSA-2020:4743", }, ], scores: [ { cvss_v3: { attackComplexity: "HIGH", attackVector: "NETWORK", availabilityImpact: "HIGH", baseScore: 5.9, baseSeverity: "MEDIUM", confidentialityImpact: "NONE", integrityImpact: "NONE", privilegesRequired: "NONE", scope: "UNCHANGED", userInteraction: "NONE", vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", version: "3.1", }, products: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", ], }, ], threats: [ { category: "impact", details: "Moderate", }, ], title: "squid: Buffer overflow in reverse-proxy configurations", }, { cve: "CVE-2020-14058", cwe: { id: "CWE-676", name: "Use of Potentially Dangerous Function", }, discovery_date: "2020-06-19T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1852554", }, ], notes: [ { category: "description", text: "A flaw was found in squid. A denial-of-service attack while processing TLS certificates is possible due to use of a potentially dangerous function in Squid and the default certificate validation helper. The highest threat from this vulnerability is to system availability.", title: "Vulnerability description", }, { category: "summary", text: "squid: DoS in TLS handshake", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"https://github.com/squid-cache/squid/security/advisories/GHSA-qvf6-485q-vm57", url: "https://github.com/squid-cache/squid/security/advisories/GHSA-qvf6-485q-vm57", }, ], release_date: "2020-06-19T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"2020-06-26T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1852550", }, ], notes: [ { category: "description", text: "A flaw was found in squid. A trusted client is able to perform a request smuggling and poison the HTTP cache contents with crafted HTTP(S) request messages. This attack requires an upstream server to participate in the smuggling and generate the poison response sequence. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.", title: "Vulnerability description", }, { category: "summary", text: "squid: Request smuggling and poisoning attack against the HTTP cache", title: "Vulnerability summary", }, { category: "other", text: "This issue has been rated as having moderate security impact, (despite of having a higher CVSS scoring) because the attack requires an upstream server to participate in the smuggling attack and generate the poison response sequence, which is really uncommon because most popular software are not vulnerable to participation in this attack. While the vulnerability does exists in squid, it is not easily exploitable and requires participation of other components on the network.", title: "Statement", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", 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A denial of service attack is possible due to an improper input validation. The highest threat from this vulnerability is to system availability.", title: "Vulnerability description", }, { category: "summary", text: "squid: Improper input validation could result in a DoS", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"https://github.com/squid-cache/squid/security/advisories/GHSA-vvj7-xjgq-g2jg", url: "https://github.com/squid-cache/squid/security/advisories/GHSA-vvj7-xjgq-g2jg", }, ], release_date: "2020-08-23T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", ], restart_required: { category: "none", }, url: "https://access.redhat.com/errata/RHSA-2020:4743", }, { category: "workaround", details: "Add the no-digest option to all cache_peer lines in squid.conf", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", ], }, ], scores: [ { cvss_v3: { attackComplexity: "LOW", attackVector: "NETWORK", availabilityImpact: "HIGH", baseScore: 7.5, baseSeverity: "HIGH", confidentialityImpact: "NONE", integrityImpact: "NONE", privilegesRequired: "NONE", scope: "UNCHANGED", userInteraction: "NONE", vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", version: "3.1", }, products: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debuginfo-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", ], }, ], threats: [ { category: "impact", details: "Moderate", }, ], title: "squid: Improper input validation could result in a DoS", }, ], }
RHSA-2020:4743
Vulnerability from csaf_redhat
Published
2020-11-04 01:45
Modified
2024-11-22 15:13
Summary
Red Hat Security Advisory: squid:4 security, bug fix, and enhancement update
Notes
Topic
An update for the squid:4 module is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.
The following packages have been upgraded to a later upstream version: squid (4.11). (BZ#1829467)
Security Fix(es):
* squid: Improper input validation in request allows for proxy manipulation (CVE-2019-12520)
* squid: Off-by-one error in addStackElement allows for heap buffer overflow and crash (CVE-2019-12521)
* squid: Improper input validation in URI processor (CVE-2019-12523)
* squid: Improper access restriction in url_regex may lead to security bypass (CVE-2019-12524)
* squid: Heap overflow issue in URN processing (CVE-2019-12526)
* squid: Information Disclosure issue in FTP Gateway (CVE-2019-12528)
* squid: Out of bounds read in Proxy-Authorization header causes DoS (CVE-2019-12529)
* squid: Denial of service in cachemgr.cgi (CVE-2019-12854)
* squid: Buffer overflow in URI processor (CVE-2019-18676)
* squid: Cross-Site Request Forgery issue in HTTP Request processing (CVE-2019-18677)
* squid: HTTP Request Splitting issue in HTTP message processing (CVE-2019-18678)
* squid: Information Disclosure issue in HTTP Digest Authentication (CVE-2019-18679)
* squid: Mishandled HTML in the host parameter to cachemgr.cgi results in insecure behaviour (CVE-2019-18860)
* squid: Improper input validation issues in HTTP Request processing (CVE-2020-8449)
* squid: Buffer overflow in reverse-proxy configurations (CVE-2020-8450)
* squid: DoS in TLS handshake (CVE-2020-14058)
* squid: Request smuggling and poisoning attack against the HTTP cache (CVE-2020-15049)
* squid: Improper input validation could result in a DoS (CVE-2020-24606)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.3 Release Notes linked from the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ document: { aggregate_severity: { namespace: "https://access.redhat.com/security/updates/classification/", text: "Moderate", }, category: "csaf_security_advisory", csaf_version: "2.0", distribution: { text: "Copyright © Red Hat, Inc. All rights reserved.", tlp: { label: "WHITE", url: "https://www.first.org/tlp/", }, }, lang: "en", notes: [ { category: "summary", text: "An update for the squid:4 module is now available for Red Hat Enterprise Linux 8.\n\nRed Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", title: "Topic", }, { category: "general", text: "Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.\n\nThe following packages have been upgraded to a later upstream version: squid (4.11). (BZ#1829467)\n\nSecurity Fix(es):\n\n* squid: Improper input validation in request allows for proxy manipulation (CVE-2019-12520)\n\n* squid: Off-by-one error in addStackElement allows for heap buffer overflow and crash (CVE-2019-12521)\n\n* squid: Improper input validation in URI processor (CVE-2019-12523)\n\n* squid: Improper access restriction in url_regex may lead to security bypass (CVE-2019-12524)\n\n* squid: Heap overflow issue in URN processing (CVE-2019-12526)\n\n* squid: Information Disclosure issue in FTP Gateway (CVE-2019-12528)\n\n* squid: Out of bounds read in Proxy-Authorization header causes DoS (CVE-2019-12529)\n\n* squid: Denial of service in cachemgr.cgi (CVE-2019-12854)\n\n* squid: Buffer overflow in URI processor (CVE-2019-18676)\n\n* squid: Cross-Site Request Forgery issue in HTTP Request processing (CVE-2019-18677)\n\n* squid: HTTP Request Splitting issue in HTTP message processing (CVE-2019-18678)\n\n* squid: Information Disclosure issue in HTTP Digest Authentication (CVE-2019-18679)\n\n* squid: Mishandled HTML in the host parameter to cachemgr.cgi results in insecure behaviour (CVE-2019-18860)\n\n* squid: Improper input validation issues in HTTP Request processing (CVE-2020-8449)\n\n* squid: Buffer overflow in reverse-proxy configurations (CVE-2020-8450)\n\n* squid: DoS in TLS handshake (CVE-2020-14058)\n\n* squid: Request smuggling and poisoning attack against the HTTP cache (CVE-2020-15049)\n\n* squid: Improper input validation could result in a DoS (CVE-2020-24606)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 8.3 Release Notes linked from the References section.", title: "Details", }, { category: "legal_disclaimer", text: "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", title: "Terms of Use", }, ], publisher: { category: "vendor", contact_details: "https://access.redhat.com/security/team/contact/", issuing_authority: "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", name: "Red Hat Product Security", namespace: "https://www.redhat.com", }, references: [ { category: "self", summary: "https://access.redhat.com/errata/RHSA-2020:4743", url: "https://access.redhat.com/errata/RHSA-2020:4743", }, { category: "external", summary: "https://access.redhat.com/security/updates/classification/#moderate", url: "https://access.redhat.com/security/updates/classification/#moderate", }, { category: "external", summary: "https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/", url: "https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/", }, { category: "external", summary: "1730523", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1730523", }, { category: "external", summary: "1730528", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1730528", }, { category: "external", summary: "1770349", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1770349", }, { category: "external", summary: "1770356", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1770356", }, { category: "external", summary: "1770360", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1770360", }, { category: "external", summary: "1770365", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1770365", }, { category: "external", summary: "1770371", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1770371", }, { category: "external", summary: "1770375", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1770375", }, { category: "external", summary: 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", }, product_reference: "squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", relates_to_product_reference: "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", }, ], }, vulnerabilities: [ { cve: "CVE-2019-12520", cwe: { id: "CWE-20", name: "Improper Input Validation", }, discovery_date: "2020-04-16T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1827558", }, ], notes: [ { category: "description", text: "A flaw was found in squid. The absolute URL of a request can include the decoded UserInfo (username and password) for certain protocols. This decoded info may contain special characters to delimit the domain, and treat the rest of the URL as a path or query string. An attacker could first make a request to their domain using an encoded username, then when a request for the target domain comes in that decodes to the exact URL, it will serve the attacker's HTML instead of the real HTML. On Squid servers that also act as reverse proxies, this allows an attacker to gain access to features that only reverse proxies can use, such as ESI.", title: "Vulnerability description", }, { category: "summary", text: "squid: Improper input validation in request allows for proxy manipulation", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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"https://nvd.nist.gov/vuln/detail/CVE-2019-12520", }, { category: "external", summary: "http://www.squid-cache.org/Advisories/SQUID-2019_4.txt", url: "http://www.squid-cache.org/Advisories/SQUID-2019_4.txt", }, ], release_date: "2020-04-24T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"2020-04-16T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1827562", }, ], notes: [ { category: "description", text: "A flaw was found in squid. When Squid is parsing ESI, it keeps the ESI elements in ESIContext. ESIContext contains a buffer for holding a stack of ESIElements. When a new ESIElement is parsed, it is added via addStackElement. addStackElement has a check for the number of elements in this buffer, but it's off by 1, leading to a Heap Overflow of 1 element. The overflow is within the same structure so it can't affect adjacent memory blocks, and thus just leads to a crash while processing.", title: "Vulnerability description", }, { category: "summary", text: "squid: Off-by-one error in addStackElement allows for heap buffer overflow and crash", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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"https://nvd.nist.gov/vuln/detail/CVE-2019-12521", }, { category: "external", summary: "http://www.squid-cache.org/Advisories/SQUID-2019_12.txt", url: "http://www.squid-cache.org/Advisories/SQUID-2019_12.txt", }, ], release_date: "2020-04-24T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"2019-11-08T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1770371", }, ], notes: [ { category: "description", text: "An issue was discovered in Squid before 4.9. When handling a URN request, a corresponding HTTP request is made. This HTTP request doesn't go through the access checks that incoming HTTP requests go through. This causes all access checks to be bypassed and allows access to restricted HTTP servers, e.g., an attacker can connect to HTTP servers that only listen on localhost.", title: "Vulnerability description", }, { category: "summary", text: "squid: Improper input validation in URI processor", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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"https://nvd.nist.gov/vuln/detail/CVE-2019-12523", }, { category: "external", summary: "http://www.squid-cache.org/Advisories/SQUID-2019_8.txt", url: "http://www.squid-cache.org/Advisories/SQUID-2019_8.txt", }, ], release_date: "2019-11-05T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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system_name: "Red Hat Bugzilla ID", text: "1827570", }, ], notes: [ { category: "description", text: "A flaw was found in squid. The Cache Manager for Squid has rules that, by default, block access to anyone other than the maintainer. An attacker, with the ability to send a properly crafted URL, can bypass the url_regex check and gain access to the blocked resource. The highest threat from this vulnerability is to data confidentiality.", title: "Vulnerability description", }, { category: "summary", text: "squid: Improper access restriction in url_regex may lead to security bypass", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", ], }, references: [ { category: "self", summary: "Canonical URL", url: "https://access.redhat.com/security/cve/CVE-2019-12524", }, { category: "external", summary: "RHBZ#1827570", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1827570", }, { category: "external", summary: "https://www.cve.org/CVERecord?id=CVE-2019-12524", url: "https://www.cve.org/CVERecord?id=CVE-2019-12524", }, { category: "external", summary: "https://nvd.nist.gov/vuln/detail/CVE-2019-12524", url: "https://nvd.nist.gov/vuln/detail/CVE-2019-12524", }, { category: "external", summary: "http://www.squid-cache.org/Advisories/SQUID-2019_4.txt", url: "http://www.squid-cache.org/Advisories/SQUID-2019_4.txt", }, ], release_date: "2020-04-24T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", ], }, ], threats: [ { category: "impact", details: "Moderate", }, ], title: "squid: Improper access restriction in url_regex may lead to security bypass", }, { cve: "CVE-2019-12526", cwe: { id: "CWE-119", name: "Improper Restriction of Operations within the Bounds of a Memory Buffer", }, discovery_date: "2019-11-08T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1770356", }, ], notes: [ { category: "description", text: "A heap-based buffer overflow was found in the way squid processed certain Uniform Resource Names (URNs). A remote attacker could use this flaw to cause Squid to crash or execute arbitrary code with the permissions of the user running Squid.", title: "Vulnerability description", }, { category: "summary", text: "squid: Heap overflow issue in URN processing", title: "Vulnerability summary", }, { category: "other", text: "This is a heap-based buffer overflow, which can be triggered by a malicious client. The client can overwrite substantial amount of heap potentially causing squid to crash or even execute arbitrary code with the permissions of the user running squid (normally squid user which is non-privileged). Also on Red Hat Products, squid is confined with selinux which should reduce the possibilities of code execution.\n\nBecause of the above mentioned difficulties in exploitation, Red Hat Product Security has classified this flaw as having Moderate impact.", title: "Statement", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"http://www.squid-cache.org/Advisories/SQUID-2019_7.txt", }, ], release_date: "2019-11-05T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", 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"description", text: "A flaw was found in squid. It allows a crafted FTP server to trigger disclosure of sensitive information from heap memory, such as information associated with other users' sessions or non-Squid processes.", title: "Vulnerability description", }, { category: "summary", text: "squid: Information Disclosure issue in FTP Gateway", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", ], }, references: [ { category: "self", summary: "Canonical URL", url: "https://access.redhat.com/security/cve/CVE-2019-12528", }, { category: "external", summary: "RHBZ#1798534", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1798534", }, { category: "external", summary: "https://www.cve.org/CVERecord?id=CVE-2019-12528", url: "https://www.cve.org/CVERecord?id=CVE-2019-12528", }, { category: "external", summary: "https://nvd.nist.gov/vuln/detail/CVE-2019-12528", url: "https://nvd.nist.gov/vuln/detail/CVE-2019-12528", }, { category: "external", summary: "http://www.squid-cache.org/Advisories/SQUID-2020_2.txt", url: "http://www.squid-cache.org/Advisories/SQUID-2020_2.txt", }, ], release_date: "2020-02-02T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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In order to do so, remove the following line from your squid configuration file:\nacl Safe_ports 21\n\nThen add the following lines to your squid configuration file:\nacl FTP proto FTP\nhttp_access deny FTP", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.x86_64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-debuginfo-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", 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{ attackComplexity: "HIGH", attackVector: "NETWORK", availabilityImpact: "NONE", baseScore: 5.9, baseSeverity: "MEDIUM", confidentialityImpact: "HIGH", integrityImpact: "NONE", privilegesRequired: "NONE", scope: "UNCHANGED", userInteraction: "NONE", vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", version: "3.1", }, products: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.x86_64", 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When Squid is configured to use Basic Authentication, the Proxy-Authorization header is parsed via uudecode. uudecode determines how many bytes will be decoded by iterating over the input and checking its table. The length is then used to start decoding the string. There are no checks to ensure that the length it calculates isn't greater than the input buffer. This leads to adjacent memory being decoded as well. An attacker would not be able to retrieve the decoded data unless the Squid maintainer had configured the display of usernames on error pages.", title: "Vulnerability description", }, { category: "summary", text: "squid: Out of bounds read in Proxy-Authorization header causes DoS", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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"https://nvd.nist.gov/vuln/detail/CVE-2019-12529", }, { category: "external", summary: "http://www.squid-cache.org/Advisories/SQUID-2019_2.txt", url: "http://www.squid-cache.org/Advisories/SQUID-2019_2.txt", }, ], release_date: "2019-07-11T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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text: "Due to incorrect string termination, Squid cachemgr.cgi 4.0 through 4.7 may access unallocated memory. On systems with memory access protections, this can cause the CGI process to terminate unexpectedly, resulting in a denial of service for all clients using it.", title: "Vulnerability description", }, { category: "summary", text: "squid: Denial of service in cachemgr.cgi", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", ], }, references: [ { category: "self", summary: "Canonical URL", url: "https://access.redhat.com/security/cve/CVE-2019-12854", }, { category: "external", summary: "RHBZ#1730523", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1730523", }, { category: "external", summary: "https://www.cve.org/CVERecord?id=CVE-2019-12854", url: "https://www.cve.org/CVERecord?id=CVE-2019-12854", }, { category: "external", summary: "https://nvd.nist.gov/vuln/detail/CVE-2019-12854", url: "https://nvd.nist.gov/vuln/detail/CVE-2019-12854", }, { category: "external", summary: "http://www.squid-cache.org/Advisories/SQUID-2019_1.txt", url: "http://www.squid-cache.org/Advisories/SQUID-2019_1.txt", }, ], release_date: "2019-07-12T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"2019-11-08T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1770375", }, ], notes: [ { category: "description", text: "An issue was discovered in Squid 3.x and 4.x through 4.8. Due to incorrect input validation, there is a heap-based buffer overflow that can result in Denial of Service to all clients using the proxy. Severity is high due to this vulnerability occurring before normal security checks; any remote client that can reach the proxy port can trivially perform the attack via a crafted URI scheme.", title: "Vulnerability description", }, { category: "summary", text: "squid: Buffer overflow in URI processor", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", ], }, references: [ { category: "self", summary: "Canonical URL", url: "https://access.redhat.com/security/cve/CVE-2019-18676", }, { category: "external", summary: "RHBZ#1770375", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1770375", }, { category: "external", summary: "https://www.cve.org/CVERecord?id=CVE-2019-18676", url: "https://www.cve.org/CVERecord?id=CVE-2019-18676", }, { category: "external", summary: "https://nvd.nist.gov/vuln/detail/CVE-2019-18676", url: "https://nvd.nist.gov/vuln/detail/CVE-2019-18676", }, { category: "external", summary: "http://www.squid-cache.org/Advisories/SQUID-2019_8.txt", url: "http://www.squid-cache.org/Advisories/SQUID-2019_8.txt", }, ], release_date: "2019-11-05T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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discovery_date: "2019-11-08T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1770365", }, ], notes: [ { category: "description", text: "An issue was discovered in Squid 3.x and 4.x through 4.8 when the append_domain setting is used (because the appended characters do not properly interact with hostname length restrictions). Due to incorrect message processing, it can inappropriately redirect traffic to origins it should not be delivered to.", title: "Vulnerability description", }, { category: "summary", text: "squid: Cross-Site Request Forgery issue in HTTP Request processing", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", ], }, references: [ { category: "self", summary: "Canonical URL", url: "https://access.redhat.com/security/cve/CVE-2019-18677", }, { category: "external", summary: "RHBZ#1770365", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1770365", }, { category: "external", summary: "https://www.cve.org/CVERecord?id=CVE-2019-18677", url: "https://www.cve.org/CVERecord?id=CVE-2019-18677", }, { category: "external", summary: "https://nvd.nist.gov/vuln/detail/CVE-2019-18677", url: "https://nvd.nist.gov/vuln/detail/CVE-2019-18677", }, { category: "external", summary: "http://www.squid-cache.org/Advisories/SQUID-2019_9.txt", url: "http://www.squid-cache.org/Advisories/SQUID-2019_9.txt", }, ], release_date: "2019-11-05T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", 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{ attackComplexity: "HIGH", attackVector: "NETWORK", availabilityImpact: "NONE", baseScore: 7.4, baseSeverity: "HIGH", confidentialityImpact: "HIGH", integrityImpact: "HIGH", privilegesRequired: "NONE", scope: "UNCHANGED", userInteraction: "NONE", vectorString: "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", version: "3.0", }, products: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.x86_64", 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", ], }, ], threats: [ { category: "impact", details: "Moderate", }, ], title: "squid: Cross-Site Request Forgery issue in HTTP Request processing", }, { cve: "CVE-2019-18678", cwe: { id: "CWE-20", name: "Improper Input Validation", }, discovery_date: "2019-11-08T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1770349", }, ], notes: [ { category: "description", text: "An issue was discovered in Squid 3.x and 4.x through 4.8. It allows attackers to smuggle HTTP requests through frontend software to a Squid instance that splits the HTTP Request pipeline differently. The resulting Response messages corrupt caches (between a client and Squid) with attacker-controlled content at arbitrary URLs. Effects are isolated to software between the attacker client and Squid. There are no effects on Squid itself, nor on any upstream servers. The issue is related to a request header containing whitespace between a header name and a colon.", title: "Vulnerability description", }, { category: "summary", text: "squid: HTTP Request Splitting issue in HTTP message processing", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"http://www.squid-cache.org/Advisories/SQUID-2019_10.txt", }, ], release_date: "2019-11-05T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", 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Due to incorrect data management, it is vulnerable to information disclosure when processing HTTP Digest Authentication. Nonce tokens contain the raw byte value of a pointer that sits within heap memory allocation. This information reduces ASLR protections and may aid attackers isolating memory areas to target for remote code execution attacks.", title: "Vulnerability description", }, { category: "summary", text: "squid: Information Disclosure issue in HTTP Digest Authentication", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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"https://nvd.nist.gov/vuln/detail/CVE-2019-18679", }, { category: "external", summary: "http://www.squid-cache.org/Advisories/SQUID-2019_11.txt", url: "http://www.squid-cache.org/Advisories/SQUID-2019_11.txt", }, ], release_date: "2019-11-05T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"1817121", }, ], notes: [ { category: "description", text: "A flaw was found in squid. Squid, when certain web browsers are used, mishandles HTML in the host parameter to cachemgr.cgi which could result in squid behaving in unsecure way.", title: "Vulnerability description", }, { category: "summary", text: "squid: Mishandled HTML in the host parameter to cachemgr.cgi results in insecure behaviour", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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"https://nvd.nist.gov/vuln/detail/CVE-2019-18860", }, { category: "external", summary: "https://github.com/squid-cache/squid/pull/504", url: "https://github.com/squid-cache/squid/pull/504", }, ], release_date: "2019-11-03T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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confidentialityImpact: "LOW", integrityImpact: "LOW", privilegesRequired: "NONE", scope: "CHANGED", userInteraction: "REQUIRED", vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", version: "3.1", }, products: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.x86_64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-debuginfo-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", 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category: "impact", details: "Moderate", }, ], title: "squid: Mishandled HTML in the host parameter to cachemgr.cgi results in insecure behaviour", }, { cve: "CVE-2020-8449", cwe: { id: "CWE-20", name: "Improper Input Validation", }, discovery_date: "2020-02-02T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1798540", }, ], notes: [ { category: "description", text: "A flaw was found in squid. Due to incorrect input validation, squid can interpret crafted HTTP requests in unexpected ways to access server resources prohibited by earlier security filters.", title: "Vulnerability description", }, { category: "summary", text: "squid: Improper input validation issues in HTTP Request processing", title: "Vulnerability summary", }, { category: "other", text: "This only affects deployments acting as reverse proxy with a http_port 'accel' or 'vhost' (squid 2.x and 3.x) or http_port 'accel' configuration (squid 4.x).", title: "Statement", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", 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summary: "https://www.cve.org/CVERecord?id=CVE-2020-8449", url: "https://www.cve.org/CVERecord?id=CVE-2020-8449", }, { category: "external", summary: "https://nvd.nist.gov/vuln/detail/CVE-2020-8449", url: "https://nvd.nist.gov/vuln/detail/CVE-2020-8449", }, ], release_date: "2020-02-03T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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Buffer", }, discovery_date: "2020-02-02T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1798552", }, ], notes: [ { category: "description", text: "A flaw was found in squid. Due to incorrect buffer management, a remote client can cause a buffer overflow in a Squid instance acting as a reverse proxy.", title: "Vulnerability description", }, { category: "summary", text: "squid: Buffer overflow in reverse-proxy configurations", title: "Vulnerability summary", }, { category: "other", text: "Although the squid packages for Red Hat Enterprise Linux 6 through 8 are affected, they are compiled with FORTIFY_SOURCE, which in this case limits the impact of the buffer overflow to an application termination. This only affects deployments acting as reverse proxy with a http_port 'accel' or 'vhost' (squid 2.x and 3.x) or http_port 'accel' configuration (squid 4.x).", title: "Statement", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", ], }, references: [ { category: "self", summary: "Canonical URL", url: "https://access.redhat.com/security/cve/CVE-2020-8450", }, { category: "external", summary: "RHBZ#1798552", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1798552", }, { category: "external", summary: "https://www.cve.org/CVERecord?id=CVE-2020-8450", url: "https://www.cve.org/CVERecord?id=CVE-2020-8450", }, { category: "external", summary: "https://nvd.nist.gov/vuln/detail/CVE-2020-8450", url: "https://nvd.nist.gov/vuln/detail/CVE-2020-8450", }, ], release_date: "2020-02-03T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.x86_64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-debuginfo-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", 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category: "none", }, url: "https://access.redhat.com/errata/RHSA-2020:4743", }, ], scores: [ { cvss_v3: { attackComplexity: "HIGH", attackVector: "NETWORK", availabilityImpact: "HIGH", baseScore: 5.9, baseSeverity: "MEDIUM", confidentialityImpact: "NONE", integrityImpact: "NONE", privilegesRequired: "NONE", scope: "UNCHANGED", userInteraction: "NONE", vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", version: "3.1", }, products: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", 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"AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:squid-debugsource-7:4.11-3.module+el8.3.0+7851+7808b5f9.x86_64", ], }, ], threats: [ { category: "impact", details: "Moderate", }, ], title: "squid: Buffer overflow in reverse-proxy configurations", }, { cve: "CVE-2020-14058", cwe: { id: "CWE-676", name: "Use of Potentially Dangerous Function", }, discovery_date: "2020-06-19T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1852554", }, ], notes: [ { category: "description", text: "A flaw was found in squid. A denial-of-service attack while processing TLS certificates is possible due to use of a potentially dangerous function in Squid and the default certificate validation helper. The highest threat from this vulnerability is to system availability.", title: "Vulnerability description", }, { category: "summary", text: "squid: DoS in TLS handshake", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"https://github.com/squid-cache/squid/security/advisories/GHSA-qvf6-485q-vm57", url: "https://github.com/squid-cache/squid/security/advisories/GHSA-qvf6-485q-vm57", }, ], release_date: "2020-06-19T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"2020-06-26T00:00:00+00:00", ids: [ { system_name: "Red Hat Bugzilla ID", text: "1852550", }, ], notes: [ { category: "description", text: "A flaw was found in squid. A trusted client is able to perform a request smuggling and poison the HTTP cache contents with crafted HTTP(S) request messages. This attack requires an upstream server to participate in the smuggling and generate the poison response sequence. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.", title: "Vulnerability description", }, { category: "summary", text: "squid: Request smuggling and poisoning attack against the HTTP cache", title: "Vulnerability summary", }, { category: "other", text: "This issue has been rated as having moderate security impact, (despite of having a higher CVSS scoring) because the attack requires an upstream server to participate in the smuggling attack and generate the poison response sequence, which is really uncommon because most popular software are not vulnerable to participation in this attack. While the vulnerability does exists in squid, it is not easily exploitable and requires participation of other components on the network.", title: "Statement", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", 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"2020-06-26T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.src", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.x86_64", 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A denial of service attack is possible due to an improper input validation. The highest threat from this vulnerability is to system availability.", title: "Vulnerability description", }, { category: "summary", text: "squid: Improper input validation could result in a DoS", title: "Vulnerability summary", }, { category: "general", text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", title: "CVSS score applicability", }, ], product_status: { fixed: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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"https://github.com/squid-cache/squid/security/advisories/GHSA-vvj7-xjgq-g2jg", url: "https://github.com/squid-cache/squid/security/advisories/GHSA-vvj7-xjgq-g2jg", }, ], release_date: "2020-08-23T00:00:00+00:00", remediations: [ { category: "vendor_fix", date: "2020-11-04T01:45:05+00:00", details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the squid service will be restarted automatically.", product_ids: [ "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", "AppStream-8.3.0.GA:squid:4:8030020200828070549:30b713e6:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.s390x", 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fkie_cve-2019-12524
Vulnerability from fkie_nvd
Published
2020-04-15 19:15
Modified
2024-11-21 04:23
Severity ?
Summary
An issue was discovered in Squid through 4.7. When handling requests from users, Squid checks its rules to see if the request should be denied. Squid by default comes with rules to block access to the Cache Manager, which serves detailed server information meant for the maintainer. This rule is implemented via url_regex. The handler for url_regex rules URL decodes an incoming request. This allows an attacker to encode their URL to bypass the url_regex check, and gain access to the blocked resource.
References
Impacted products
Vendor | Product | Version | |
---|---|---|---|
squid-cache | squid | * | |
debian | debian_linux | 9.0 | |
debian | debian_linux | 10.0 | |
canonical | ubuntu_linux | 16.04 | |
canonical | ubuntu_linux | 18.04 |
{ configurations: [ { nodes: [ { cpeMatch: [ { criteria: "cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*", matchCriteriaId: "A5584C95-5CB1-4D45-8C05-633746AE2AB4", versionEndIncluding: "4.7", vulnerable: true, }, ], negate: false, operator: "OR", }, ], }, { nodes: [ { cpeMatch: [ { criteria: "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", matchCriteriaId: "DEECE5FC-CACF-4496-A3E7-164736409252", vulnerable: true, }, { criteria: "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", matchCriteriaId: "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", vulnerable: true, }, ], negate: false, operator: "OR", }, ], }, { nodes: [ { cpeMatch: [ { criteria: "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", matchCriteriaId: "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B", vulnerable: true, }, { criteria: "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", matchCriteriaId: "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D", vulnerable: true, }, ], negate: false, operator: "OR", }, ], }, ], cveTags: [], descriptions: [ { lang: "en", value: "An issue was discovered in Squid through 4.7. When handling requests from users, Squid checks its rules to see if the request should be denied. Squid by default comes with rules to block access to the Cache Manager, which serves detailed server information meant for the maintainer. This rule is implemented via url_regex. The handler for url_regex rules URL decodes an incoming request. This allows an attacker to encode their URL to bypass the url_regex check, and gain access to the blocked resource.", }, { lang: "es", value: "Se detectó un problema en Squid versiones hasta 4.7. Al manejar las peticiones de los usuarios, Squid verifica sus reglas para visualizar si la petición debe ser denegada. Squid por defecto viene con reglas para bloquear el acceso al Cache Manager, que sirve información detallada del servidor destinada al mantenedor. Esta regla es implementada por medio de url_regex. El manejador de reglas URL de url_regex decodifica una petición entrante. Esto permite a un atacante codificar su URL para omitir la comprobación de url_regex y obtener acceso al recurso bloqueado.", }, ], id: "CVE-2019-12524", lastModified: "2024-11-21T04:23:02.080", metrics: { cvssMetricV2: [ { acInsufInfo: false, baseSeverity: "HIGH", cvssData: { accessComplexity: "LOW", accessVector: "NETWORK", authentication: "NONE", availabilityImpact: "PARTIAL", baseScore: 7.5, confidentialityImpact: "PARTIAL", integrityImpact: "PARTIAL", vectorString: "AV:N/AC:L/Au:N/C:P/I:P/A:P", version: "2.0", }, exploitabilityScore: 10, impactScore: 6.4, obtainAllPrivilege: false, obtainOtherPrivilege: false, obtainUserPrivilege: false, source: "nvd@nist.gov", type: "Primary", userInteractionRequired: false, }, ], cvssMetricV31: [ { cvssData: { attackComplexity: "LOW", attackVector: "NETWORK", availabilityImpact: "HIGH", baseScore: 9.8, baseSeverity: "CRITICAL", confidentialityImpact: "HIGH", integrityImpact: "HIGH", privilegesRequired: "NONE", scope: "UNCHANGED", userInteraction: "NONE", vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", version: "3.1", }, exploitabilityScore: 3.9, impactScore: 5.9, source: "nvd@nist.gov", type: "Primary", }, ], }, published: "2020-04-15T19:15:12.533", references: [ { source: "cve@mitre.org", tags: [ "Third Party Advisory", ], url: "https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12524.txt", }, { source: "cve@mitre.org", tags: [ "Mailing List", "Third Party Advisory", ], url: "https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html", }, { source: "cve@mitre.org", tags: [ "Third Party Advisory", ], url: "https://security.netapp.com/advisory/ntap-20210205-0006/", }, { source: "cve@mitre.org", tags: [ "Third Party Advisory", ], url: "https://usn.ubuntu.com/4446-1/", }, { source: "cve@mitre.org", tags: [ "Third Party Advisory", ], url: "https://www.debian.org/security/2020/dsa-4682", }, { source: "af854a3a-2127-422b-91ae-364da2661108", tags: [ "Third Party Advisory", ], url: "https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12524.txt", }, { source: "af854a3a-2127-422b-91ae-364da2661108", tags: [ "Mailing List", "Third Party Advisory", ], url: "https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html", }, { source: "af854a3a-2127-422b-91ae-364da2661108", tags: [ "Third Party Advisory", ], url: "https://security.netapp.com/advisory/ntap-20210205-0006/", }, { source: "af854a3a-2127-422b-91ae-364da2661108", tags: [ "Third Party Advisory", ], url: "https://usn.ubuntu.com/4446-1/", }, { source: "af854a3a-2127-422b-91ae-364da2661108", tags: [ "Third Party Advisory", ], url: "https://www.debian.org/security/2020/dsa-4682", }, ], sourceIdentifier: "cve@mitre.org", vulnStatus: "Modified", weaknesses: [ { description: [ { lang: "en", value: "CWE-306", }, ], source: "nvd@nist.gov", type: "Primary", }, ], }
ghsa-wwv6-9vqw-fwxx
Vulnerability from github
Published
2022-05-24 17:14
Modified
2022-05-24 17:14
Details
An issue was discovered in Squid through 4.7. When handling requests from users, Squid checks its rules to see if the request should be denied. Squid by default comes with rules to block access to the Cache Manager, which serves detailed server information meant for the maintainer. This rule is implemented via url_regex. The handler for url_regex rules URL decodes an incoming request. This allows an attacker to encode their URL to bypass the url_regex check, and gain access to the blocked resource.
{ affected: [], aliases: [ "CVE-2019-12524", ], database_specific: { cwe_ids: [ "CWE-306", ], github_reviewed: false, github_reviewed_at: null, nvd_published_at: "2020-04-15T19:15:00Z", severity: "HIGH", }, details: "An issue was discovered in Squid through 4.7. When handling requests from users, Squid checks its rules to see if the request should be denied. Squid by default comes with rules to block access to the Cache Manager, which serves detailed server information meant for the maintainer. This rule is implemented via url_regex. The handler for url_regex rules URL decodes an incoming request. This allows an attacker to encode their URL to bypass the url_regex check, and gain access to the blocked resource.", id: "GHSA-wwv6-9vqw-fwxx", modified: "2022-05-24T17:14:19Z", published: "2022-05-24T17:14:19Z", references: [ { type: "ADVISORY", url: "https://nvd.nist.gov/vuln/detail/CVE-2019-12524", }, { type: "WEB", url: "https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12524.txt", }, { type: "WEB", url: "https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html", }, { type: "WEB", url: "https://security.netapp.com/advisory/ntap-20210205-0006", }, { type: "WEB", url: "https://usn.ubuntu.com/4446-1", }, { type: "WEB", url: "https://www.debian.org/security/2020/dsa-4682", }, ], schema_version: "1.4.0", severity: [], }
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Nomenclature
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