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cve-2019-12525
Vulnerability from cvelistv5
Published
2019-07-11 18:17
Modified
2024-08-04 23:24
Severity ?
EPSS score ?
Summary
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.
References
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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\u0027s 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." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "http://www.squid-cache.org/Versions/v4/changesets/", "refsource": "CONFIRM", "url": "http://www.squid-cache.org/Versions/v4/changesets/" }, { "name": "https://github.com/squid-cache/squid/commits/v4", "refsource": "CONFIRM", "url": "https://github.com/squid-cache/squid/commits/v4" }, { "name": "http://www.squid-cache.org/Versions/v4/changesets/squid-4-7f73e9c5d17664b882ed32590e6af310c247f320.patch", "refsource": "CONFIRM", "url": "http://www.squid-cache.org/Versions/v4/changesets/squid-4-7f73e9c5d17664b882ed32590e6af310c247f320.patch" }, { "name": "USN-4065-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4065-1/" }, { "name": "[debian-lts-announce] 20190720 [SECURITY] [DLA 1858-1] squid3 security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2019/07/msg00018.html" }, { "name": "USN-4065-2", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4065-2/" }, { "name": "FEDORA-2019-cb50bcc189", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SPXN2CLAGN5QSQBTOV5IGVLDOQSRFNTZ/" }, { "name": "DSA-4507", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2019/dsa-4507" }, { "name": "20190825 [SECURITY] [DSA 4507-1] squid security update", "refsource": "BUGTRAQ", "url": "https://seclists.org/bugtraq/2019/Aug/42" }, { "name": "openSUSE-SU-2019:2540", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00053.html" }, { "name": "openSUSE-SU-2019:2541", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00056.html" }, { "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" } ] } } } }, "cveMetadata": { "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2019-12525", "datePublished": "2019-07-11T18:17:49", "dateReserved": "2019-06-02T00:00:00", "dateUpdated": "2024-08-04T23:24:38.574Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2019-12525\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2019-07-11T19:15:13.000\",\"lastModified\":\"2023-11-07T03:03:37.440\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"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\u0027s 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.\"},{\"lang\":\"es\",\"value\":\"Se detect\u00f3 un problema en Squid versiones 3.3.9 hasta 3.5.28 y versiones 4.x hasta 4.7. Cuando Squid est\u00e1 configurado para utilizar la autenticaci\u00f3n impl\u00edcita, analiza el encabezado Proxy-Authorization. Busca ciertos tokens como domain, uri y qop. Squid comprueba si el valor de este token comienza con una comilla y termina con uno. Si es as\u00ed, realiza un memcpy de su longitud menos 2. Squid nunca comprueba si el valor es s\u00f3lo una sola comilla (lo que satisfar\u00eda sus requisitos), lo que conlleva a un memcpy de su longitud menos 1.\"}],\"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\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\"},\"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\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":7.5},\"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-787\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.3.9\",\"versionEndIncluding\":\"3.5.28\",\"matchCriteriaId\":\"C22F49A6-5B88-473B-8E37-BF77C57D85EB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.0\",\"versionEndIncluding\":\"4.7\",\"matchCriteriaId\":\"61861774-A71F-48CB-B6B2-0489C57E4E66\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43\"},{\"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:opensuse:leap:15.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F1E78106-58E6-4D59-990F-75DA575BFAD9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B620311B-34A3-48A6-82DF-6F078D7A4493\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D100F7CE-FC64-4CC6-852A-6136D72DA419\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*\",\"matchCriteriaId\":\"CB66DB75-2B16-4EBF-9B93-CE49D8086E41\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*\",\"matchCriteriaId\":\"7A5301BF-1402-4BE0-A0F8-69FBE79BC6D6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"CD783B0C-9246-47D9-A937-6144FE8BFF0F\"}]}]}],\"references\":[{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00053.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00056.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://www.squid-cache.org/Versions/v4/changesets/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://www.squid-cache.org/Versions/v4/changesets/squid-4-7f73e9c5d17664b882ed32590e6af310c247f320.patch\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://github.com/squid-cache/squid/commits/v4\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2019/07/msg00018.html\",\"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\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPXN2CLAGN5QSQBTOV5IGVLDOQSRFNTZ/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://seclists.org/bugtraq/2019/Aug/42\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://usn.ubuntu.com/4065-1/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://usn.ubuntu.com/4065-2/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2019/dsa-4507\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]}]}}" } }
rhsa-2020_2041
Vulnerability from csaf_redhat
Published
2020-05-06 13:53
Modified
2024-11-05 22:11
Summary
Red Hat Security Advisory: squid:4 security 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 Important. 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.
Security Fix(es):
* squid: improper check for new member in ESIExpression::Evaluate allows for stack buffer overflow (CVE-2019-12519)
* squid: improper access restriction upon Digest Authentication nonce replay could lead to remote code execution (CVE-2020-11945)
* squid: parsing of header Proxy-Authentication leads to memory corruption (CVE-2019-12525)
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.
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": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 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 Important. 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\nSecurity Fix(es):\n\n* squid: improper check for new member in ESIExpression::Evaluate allows for stack buffer overflow (CVE-2019-12519)\n\n* squid: improper access restriction upon Digest Authentication nonce replay could lead to remote code execution (CVE-2020-11945)\n\n* squid: parsing of header Proxy-Authentication leads to memory corruption (CVE-2019-12525)\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.", "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-2020:2041", "url": "https://access.redhat.com/errata/RHSA-2020:2041" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "1730535", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1730535" }, { "category": "external", "summary": "1827552", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1827552" }, { "category": "external", "summary": "1827563", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1827563" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2020/rhsa-2020_2041.json" } ], "title": "Red Hat Security Advisory: squid:4 security update", "tracking": { "current_release_date": "2024-11-05T22:11:32+00:00", "generator": { "date": "2024-11-05T22:11:32+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.1.1" } }, "id": "RHSA-2020:2041", "initial_release_date": "2020-05-06T13:53:02+00:00", "revision_history": [ { "date": "2020-05-06T13:53:02+00:00", "number": "1", "summary": "Initial version" }, { "date": "2020-05-06T13:53:02+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-05T22:11:32+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { 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[ { "category": "description", "text": "A flaw was found in Squid through version 4.7. When handling the tag esi:when, when ESI is enabled, Squid calls the ESIExpression::Evaluate function which uses a fixed stack buffer to hold the expression. While processing the expression, there is no check to ensure that the stack won\u0027t overflow. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "squid: improper check for new member in ESIExpression::Evaluate allows for stack buffer overflow", "title": "Vulnerability summary" }, { "category": "other", "text": "The squid packages are compiled with protections like stack canaries, which should reduce the chance of a successful exploitation dramatically and the most likely outcome is a crash without code execution.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.2.0.Z.MAIN.EUS:squid:4:8020020200430095908:4cda2c84", 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"https://access.redhat.com/security/cve/CVE-2019-12519" }, { "category": "external", "summary": "RHBZ#1827552", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1827552" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2019-12519", "url": "https://www.cve.org/CVERecord?id=CVE-2019-12519" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-12519", "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-12519" }, { "category": "external", "summary": "http://www.squid-cache.org/Advisories/SQUID-2019_12.txt", "url": "http://www.squid-cache.org/Advisories/SQUID-2019_12.txt" }, { "category": "external", "summary": "https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12519.txt", "url": "https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12519.txt" } ], "release_date": "2020-04-24T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2020-05-06T13:53:02+00:00", "details": "For 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improper check for new member in ESIExpression::Evaluate allows for stack buffer overflow" }, { "cve": "CVE-2019-12525", "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": "1730535" } ], "notes": [ { "category": "description", "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\u0027s 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": "Vulnerability description" }, { "category": "summary", "text": "squid: parsing of header Proxy-Authentication leads to memory corruption", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.2.0.Z.MAIN.EUS:squid:4:8020020200430095908:4cda2c84", "AppStream-8.2.0.Z.MAIN.EUS:squid:4:8020020200430095908:4cda2c84:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", "AppStream-8.2.0.Z.MAIN.EUS:squid:4:8020020200430095908:4cda2c84:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le", 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"Improper Access Control" }, "discovery_date": "2020-04-16T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1827563" } ], "notes": [ { "category": "description", "text": "A flaw was found in Squid, where a remote attacker can replay a sniffed Digest Authentication nonce to gain access to resources that are otherwise forbidden. This issue occurs because the attacker can overflow the nonce reference counter, which results in remote code execution if the pooled token credentials are freed.", "title": "Vulnerability description" }, { "category": "summary", "text": "squid: improper access restriction upon Digest Authentication nonce replay could lead to remote code execution", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.2.0.Z.MAIN.EUS:squid:4:8020020200430095908:4cda2c84", "AppStream-8.2.0.Z.MAIN.EUS:squid:4:8020020200430095908:4cda2c84:libecap-0:1.0.1-2.module+el8.1.0+4044+36416a77.aarch64", 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rhsa-2020_2040
Vulnerability from csaf_redhat
Published
2020-05-06 13:55
Modified
2024-11-05 22:11
Summary
Red Hat Security Advisory: squid security update
Notes
Topic
An update for squid is now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact of Important. 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.
Security Fix(es):
* squid: improper check for new member in ESIExpression::Evaluate allows for stack buffer overflow (CVE-2019-12519)
* squid: improper access restriction upon Digest Authentication nonce replay could lead to remote code execution (CVE-2020-11945)
* squid: parsing of header Proxy-Authentication leads to memory corruption (CVE-2019-12525)
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.
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": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for squid is now available for Red Hat Enterprise Linux 7.\n\nRed Hat Product Security has rated this update as having a security impact of Important. 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\nSecurity Fix(es):\n\n* squid: improper check for new member in ESIExpression::Evaluate allows for stack buffer overflow (CVE-2019-12519)\n\n* squid: improper access restriction upon Digest Authentication nonce replay could lead to remote code execution (CVE-2020-11945)\n\n* squid: parsing of header Proxy-Authentication leads to memory corruption (CVE-2019-12525)\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.", "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-2020:2040", "url": "https://access.redhat.com/errata/RHSA-2020:2040" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "1730535", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1730535" }, { "category": "external", "summary": "1827552", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1827552" }, { "category": "external", "summary": "1827563", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1827563" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2020/rhsa-2020_2040.json" } ], "title": "Red Hat Security Advisory: squid security update", "tracking": { "current_release_date": "2024-11-05T22:11:40+00:00", "generator": { "date": "2024-11-05T22:11:40+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.1.1" } }, "id": "RHSA-2020:2040", "initial_release_date": "2020-05-06T13:55:10+00:00", "revision_history": [ { "date": "2020-05-06T13:55:10+00:00", "number": "1", "summary": "Initial version" }, { "date": "2020-05-06T13:55:10+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-05T22:11:40+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { 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When handling the tag esi:when, when ESI is enabled, Squid calls the ESIExpression::Evaluate function which uses a fixed stack buffer to hold the expression. While processing the expression, there is no check to ensure that the stack won\u0027t overflow. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "squid: improper check for new member in ESIExpression::Evaluate allows for stack buffer overflow", "title": "Vulnerability summary" }, { "category": "other", "text": "The squid packages are compiled with protections like stack canaries, which should reduce the chance of a successful exploitation dramatically and the most likely outcome is a crash without code execution.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-7.8.Z:squid-7:3.5.20-15.el7_8.1.ppc64", "7Server-7.8.Z:squid-7:3.5.20-15.el7_8.1.ppc64le", 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"system_name": "Red Hat Bugzilla ID", "text": "1730535" } ], "notes": [ { "category": "description", "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\u0027s 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": "Vulnerability description" }, { "category": "summary", "text": "squid: parsing of header Proxy-Authentication leads to memory corruption", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-7.8.Z:squid-7:3.5.20-15.el7_8.1.ppc64", "7Server-7.8.Z:squid-7:3.5.20-15.el7_8.1.ppc64le", "7Server-7.8.Z:squid-7:3.5.20-15.el7_8.1.s390x", "7Server-7.8.Z:squid-7:3.5.20-15.el7_8.1.src", "7Server-7.8.Z:squid-7:3.5.20-15.el7_8.1.x86_64", "7Server-7.8.Z:squid-debuginfo-7:3.5.20-15.el7_8.1.ppc64", 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"cve": "CVE-2020-11945", "cwe": { "id": "CWE-284", "name": "Improper Access Control" }, "discovery_date": "2020-04-16T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1827563" } ], "notes": [ { "category": "description", "text": "A flaw was found in Squid, where a remote attacker can replay a sniffed Digest Authentication nonce to gain access to resources that are otherwise forbidden. This issue occurs because the attacker can overflow the nonce reference counter, which results in remote code execution if the pooled token credentials are freed.", "title": "Vulnerability description" }, { "category": "summary", "text": "squid: improper access restriction upon Digest Authentication nonce replay could lead to remote code execution", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-7.8.Z:squid-7:3.5.20-15.el7_8.1.ppc64", "7Server-7.8.Z:squid-7:3.5.20-15.el7_8.1.ppc64le", "7Server-7.8.Z:squid-7:3.5.20-15.el7_8.1.s390x", "7Server-7.8.Z:squid-7:3.5.20-15.el7_8.1.src", "7Server-7.8.Z:squid-7:3.5.20-15.el7_8.1.x86_64", 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"category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2020:2040" } ], "scores": [ { "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "products": [ "7Server-7.8.Z:squid-7:3.5.20-15.el7_8.1.ppc64", "7Server-7.8.Z:squid-7:3.5.20-15.el7_8.1.ppc64le", "7Server-7.8.Z:squid-7:3.5.20-15.el7_8.1.s390x", "7Server-7.8.Z:squid-7:3.5.20-15.el7_8.1.src", "7Server-7.8.Z:squid-7:3.5.20-15.el7_8.1.x86_64", "7Server-7.8.Z:squid-debuginfo-7:3.5.20-15.el7_8.1.ppc64", "7Server-7.8.Z:squid-debuginfo-7:3.5.20-15.el7_8.1.ppc64le", "7Server-7.8.Z:squid-debuginfo-7:3.5.20-15.el7_8.1.s390x", "7Server-7.8.Z:squid-debuginfo-7:3.5.20-15.el7_8.1.x86_64", 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"category": "impact", "details": "Important" } ], "title": "squid: improper access restriction upon Digest Authentication nonce replay could lead to remote code execution" } ] }
gsd-2019-12525
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
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.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2019-12525", "description": "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\u0027s 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.", "id": "GSD-2019-12525", "references": [ "https://www.suse.com/security/cve/CVE-2019-12525.html", "https://www.debian.org/security/2019/dsa-4507", "https://access.redhat.com/errata/RHSA-2020:2041", "https://access.redhat.com/errata/RHSA-2020:2040", "https://ubuntu.com/security/CVE-2019-12525", "https://advisories.mageia.org/CVE-2019-12525.html", "https://alas.aws.amazon.com/cve/html/CVE-2019-12525.html", "https://linux.oracle.com/cve/CVE-2019-12525.html" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2019-12525" ], "details": "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\u0027s 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.", "id": "GSD-2019-12525", "modified": "2023-12-13T01:23:44.127666Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2019-12525", "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 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\u0027s 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." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "http://www.squid-cache.org/Versions/v4/changesets/", "refsource": "CONFIRM", "url": "http://www.squid-cache.org/Versions/v4/changesets/" }, { "name": "https://github.com/squid-cache/squid/commits/v4", "refsource": "CONFIRM", "url": "https://github.com/squid-cache/squid/commits/v4" }, { "name": "http://www.squid-cache.org/Versions/v4/changesets/squid-4-7f73e9c5d17664b882ed32590e6af310c247f320.patch", "refsource": "CONFIRM", "url": "http://www.squid-cache.org/Versions/v4/changesets/squid-4-7f73e9c5d17664b882ed32590e6af310c247f320.patch" }, { "name": "USN-4065-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4065-1/" }, { "name": "[debian-lts-announce] 20190720 [SECURITY] [DLA 1858-1] squid3 security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2019/07/msg00018.html" }, { "name": "USN-4065-2", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4065-2/" }, { "name": "FEDORA-2019-cb50bcc189", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SPXN2CLAGN5QSQBTOV5IGVLDOQSRFNTZ/" }, { "name": "DSA-4507", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2019/dsa-4507" }, { "name": "20190825 [SECURITY] [DSA 4507-1] squid security update", "refsource": "BUGTRAQ", "url": "https://seclists.org/bugtraq/2019/Aug/42" }, { "name": "openSUSE-SU-2019:2540", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00053.html" }, { "name": "openSUSE-SU-2019:2541", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00056.html" }, { "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" } ] } }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndIncluding": "3.5.28", "versionStartIncluding": "3.3.9", "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndIncluding": "4.7", "versionStartIncluding": "4.0", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "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:opensuse:leap:15.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2019-12525" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "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\u0027s 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." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-787" } ] } ] }, "references": { "reference_data": [ { "name": "http://www.squid-cache.org/Versions/v4/changesets/", "refsource": "CONFIRM", "tags": [ "Vendor Advisory" ], "url": "http://www.squid-cache.org/Versions/v4/changesets/" }, { "name": "http://www.squid-cache.org/Versions/v4/changesets/squid-4-7f73e9c5d17664b882ed32590e6af310c247f320.patch", "refsource": "CONFIRM", "tags": [ "Patch", "Vendor Advisory" ], "url": "http://www.squid-cache.org/Versions/v4/changesets/squid-4-7f73e9c5d17664b882ed32590e6af310c247f320.patch" }, { "name": "https://github.com/squid-cache/squid/commits/v4", "refsource": "CONFIRM", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/squid-cache/squid/commits/v4" }, { "name": "USN-4065-1", "refsource": "UBUNTU", "tags": [ "Third Party Advisory" ], "url": "https://usn.ubuntu.com/4065-1/" }, { "name": "[debian-lts-announce] 20190720 [SECURITY] [DLA 1858-1] squid3 security update", "refsource": "MLIST", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.debian.org/debian-lts-announce/2019/07/msg00018.html" }, { "name": "USN-4065-2", "refsource": "UBUNTU", "tags": [ "Third Party Advisory" ], "url": "https://usn.ubuntu.com/4065-2/" }, { "name": "FEDORA-2019-cb50bcc189", "refsource": "FEDORA", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SPXN2CLAGN5QSQBTOV5IGVLDOQSRFNTZ/" }, { "name": "DSA-4507", "refsource": "DEBIAN", "tags": [ "Third Party Advisory" ], "url": "https://www.debian.org/security/2019/dsa-4507" }, { "name": "20190825 [SECURITY] [DSA 4507-1] squid security update", "refsource": "BUGTRAQ", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://seclists.org/bugtraq/2019/Aug/42" }, { "name": "openSUSE-SU-2019:2541", "refsource": "SUSE", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00056.html" }, { "name": "openSUSE-SU-2019:2540", "refsource": "SUSE", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00053.html" }, { "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" } ] } }, "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": 10.0, "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": "2022-04-26T20:18Z", "publishedDate": "2019-07-11T19:15Z" } } }
wid-sec-w-2023-2486
Vulnerability from csaf_certbund
Published
2019-07-14 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 oder authentisierter Angreifer kann mehrere Schwachstellen in Squid ausnutzen, um beliebigen Programmcode mit den Rechten des Dienstes auszuführen oder einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- UNIX
- Linux
- MacOS X
- Windows
- Sonstiges
{ "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 f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen." }, { "category": "description", "text": "Squid ist ein Open-Source Web Proxy Cache f\u00fcr Unix und Windows Plattformen. Die Software unterst\u00fctzt Proxying und Caching von HTTP, FTP und anderen Protokollen, sowie SSL und Access Control Lists.", "title": "Produktbeschreibung" }, { "category": "summary", "text": "Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Squid ausnutzen, um beliebigen Programmcode mit den Rechten des Dienstes auszuf\u00fchren oder einen Denial of Service Angriff durchzuf\u00fchren.", "title": "Angriff" }, { "category": "general", "text": "- UNIX\n- Linux\n- MacOS X\n- Windows\n- Sonstiges", "title": "Betroffene Betriebssysteme" } ], "publisher": { "category": "other", "contact_details": "csaf-provider@cert-bund.de", "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik", "namespace": "https://www.bsi.bund.de" }, "references": [ { "category": "self", "summary": "WID-SEC-W-2023-2486 - CSAF Version", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2019/wid-sec-w-2023-2486.json" }, { "category": "self", "summary": "WID-SEC-2023-2486 - Portal Version", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-2486" }, { "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 ALASSQUID4-2023-007 vom 2023-09-27", "url": "https://alas.aws.amazon.com/AL2/ALASSQUID4-2023-007.html" }, { "category": "external", "summary": "Amazon Linux Security Advisory ALASSQUID4-2023-008 vom 2023-09-27", "url": "https://alas.aws.amazon.com/AL2/ALASSQUID4-2023-008.html" }, { "category": "external", "summary": "Squid Proxy Cache Security Update Advisory SQUID-2019:5 vom 2019-07-13", "url": "http://www.squid-cache.org/Advisories/SQUID-2019_5.txt" }, { "category": "external", "summary": "Squid Proxy Cache Security Update Advisory SQUID-2019:3 vom 2019-07-13", "url": "http://www.squid-cache.org/Advisories/SQUID-2019_3.txt" }, { "category": "external", "summary": "Squid Proxy Cache Security Update Advisory SQUID-2019:2 vom 2019-07-13", "url": "http://www.squid-cache.org/Advisories/SQUID-2019_2.txt" }, { "category": "external", "summary": "Squid Proxy Cache Security Update Advisory SQUID-2019:1 vom 2019-07-13", "url": "http://www.squid-cache.org/Advisories/SQUID-2019_1.txt" }, { "category": "external", "summary": "Arch Linux Security Advisory ASA-201907-5 vom 2019-07-17", "url": "https://security.archlinux.org/ASA-201907-5" }, { "category": "external", "summary": "Ubuntu Security Notice USN-4065-1 vom 2019-07-19", "url": "https://usn.ubuntu.com/4065-1/" }, { "category": "external", "summary": "Ubuntu Security Notice USN-4065-2 vom 2019-07-22", "url": "https://usn.ubuntu.com/4065-2/" }, { "category": "external", "summary": "SUSE Security Update SUSE-SU-2019:2089-1 vom 2019-08-09", "url": "https://www.suse.com/support/update/announcement/2019/suse-su-20192089-1.html" }, { "category": "external", "summary": "SUSE Security Update SUSE-SU-2019:2089-2 vom 2019-08-17", "url": "https://www.suse.com/support/update/announcement/2019/suse-su-20192089-2.html" }, { "category": "external", "summary": "Debian Security Advisory DSA-4507 vom 2019-08-25", "url": "https://www.debian.org/security/2019/dsa-4507" }, { "category": "external", "summary": "Red Hat Security Advisory RHSA-2019:2593 vom 2019-09-02", "url": "https://access.redhat.com/errata/RHSA-2019:2593" }, { "category": "external", "summary": "Oracle Linux Security Advisory ELSA-2019-2593 vom 2019-09-04", "url": "http://linux.oracle.com/errata/ELSA-2019-2593.html" }, { "category": "external", "summary": "SUSE Security Update SUSE-SU-2019:2975-1 vom 2019-11-14", "url": "http://lists.suse.com/pipermail/sle-security-updates/2019-November/006141.html" }, { "category": "external", "summary": "Ubuntu Security Notice USN-4213-1 vom 2019-12-04", "url": "https://usn.ubuntu.com/4213-1/" }, { "category": "external", "summary": "Red Hat Security Advisory RHSA-2020:2040 vom 2020-05-06", "url": "https://access.redhat.com/errata/RHSA-2020:2040" }, { "category": "external", "summary": "Red Hat Security Advisory RHSA-2020:2041 vom 2020-05-06", "url": "https://access.redhat.com/errata/RHSA-2020:2041" }, { "category": "external", "summary": "Oracle Linux Security Advisory ELSA-2020-2040 vom 2020-05-08", "url": "https://oss.oracle.com/pipermail/el-errata/2020-May/009890.html" }, { "category": "external", "summary": "Oracle Linux Security Advisory ELSA-2020-2041 vom 2020-05-13", "url": "https://oss.oracle.com/pipermail/el-errata/2020-May/009910.html" }, { "category": "external", "summary": "CentOS Security Advisory CESA-2020:2040 vom 2020-05-21", "url": "http://centos-announce.2309468.n4.nabble.com/CentOS-announce-CESA-2020-2040-Important-CentOS-7-squid-Security-Update-tp4645943.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": "Red Hat Security Advisory RHSA-2020:4743 vom 2020-11-04", "url": "https://access.redhat.com/errata/RHSA-2020:4743" } ], "source_lang": "en-US", "title": "Squid: Mehrere Schwachstellen", "tracking": { "current_release_date": "2023-10-26T22:00:00.000+00:00", "generator": { "date": "2024-02-15T17:45:48.644+00:00", "engine": { "name": "BSI-WID", "version": "1.3.0" } }, "id": "WID-SEC-W-2023-2486", "initial_release_date": "2019-07-14T22:00:00.000+00:00", "revision_history": [ { "date": "2019-07-14T22:00:00.000+00:00", "number": "1", "summary": "Initiale Fassung" }, { "date": "2019-07-16T22:00:00.000+00:00", "number": "2", "summary": "Neue Updates von Arch Linux aufgenommen" }, { "date": "2019-07-18T22:00:00.000+00:00", "number": "3", "summary": "Neue Updates von Ubuntu aufgenommen" }, { "date": "2019-07-22T22:00:00.000+00:00", "number": "4", "summary": "Neue Updates von Ubuntu aufgenommen" }, { "date": "2019-07-22T22:00:00.000+00:00", "number": "5", "summary": "Referenz(en) aufgenommen: FEDORA-2019-75A6F3B711" }, { "date": "2019-08-05T22:00:00.000+00:00", "number": "6", "summary": "Referenz(en) aufgenommen: FEDORA-2019-CB50BCC189" }, { "date": "2019-08-08T22:00:00.000+00:00", "number": "7", "summary": "Neue Updates von SUSE aufgenommen" }, { "date": "2019-08-18T22:00:00.000+00:00", "number": "8", "summary": "Neue Updates von SUSE aufgenommen" }, { "date": "2019-08-25T22:00:00.000+00:00", "number": "9", "summary": "Neue Updates von Debian aufgenommen" }, { "date": "2019-09-02T22:00:00.000+00:00", "number": "10", "summary": "Neue Updates von Red Hat aufgenommen" }, { "date": "2019-09-03T22:00:00.000+00:00", "number": "11", "summary": "Neue Updates von Oracle Linux aufgenommen" }, { "date": "2019-11-14T23:00:00.000+00:00", "number": "12", "summary": "Neue Updates von SUSE aufgenommen" }, { "date": "2019-12-04T23:00:00.000+00:00", "number": "13", "summary": "Neue Updates von Ubuntu aufgenommen" }, { "date": "2020-05-06T22:00:00.000+00:00", "number": "14", "summary": "Neue Updates von Red Hat aufgenommen" }, { "date": "2020-05-07T22:00:00.000+00:00", "number": "15", "summary": "Neue Updates von Oracle Linux aufgenommen" }, { "date": "2020-05-13T22:00:00.000+00:00", "number": "16", "summary": "Neue Updates von Oracle Linux aufgenommen" }, { "date": "2020-05-21T22:00:00.000+00:00", "number": "17", "summary": "Neue Updates von CentOS aufgenommen" }, { "date": "2020-07-12T22:00:00.000+00:00", "number": "18", "summary": "Neue Updates von Debian aufgenommen" }, { "date": "2020-11-03T23:00:00.000+00:00", "number": "19", "summary": "Neue Updates von Red Hat aufgenommen" }, { "date": "2023-09-27T22:00:00.000+00:00", "number": "20", "summary": "Neue Updates von Amazon aufgenommen" }, { "date": "2023-10-26T22:00:00.000+00:00", "number": "21", "summary": "Neue Updates von Amazon aufgenommen" } ], "status": "final", "version": "21" } }, "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 Arch Linux", "product": { "name": "Open Source Arch Linux", "product_id": "T013312", "product_identification_helper": { "cpe": "cpe:/o:archlinux:archlinux:-" } } }, { "category": "product_name", "name": "Open Source CentOS", "product": { "name": "Open Source CentOS", "product_id": "1727", "product_identification_helper": { "cpe": "cpe:/o:centos:centos:-" } } }, { "category": "product_name", "name": "Open Source Squid \u003c 4.8", "product": { "name": "Open Source Squid \u003c 4.8", "product_id": "T014614", "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-2019-12527", "notes": [ { "category": "description", "text": "Es existiert eine Puffer \u00dcberlauf Schwachstelle in Squid. Diese beruht auf einer fehlerhaften Speicherverwaltung und tritt auf, wenn HTTP Authentisierungsmerkmale verarbeitet werden. Ein Angreifer kann dieses nutzen und m\u00f6glicherweise beliebigen Programmcode zur Ausf\u00fchrung bringen." } ], "product_status": { "known_affected": [ "2951", "T002207", "67646", "T000126", "T013312", "398363", "1727", "T004914" ] }, "release_date": "2019-07-14T22:00:00Z", "title": "CVE-2019-12527" }, { "cve": "CVE-2019-12525", "notes": [ { "category": "description", "text": "Es existieren mehrere Schwachstellen in Squid. Diese beruhen auf einem Fehler in der Speicherverwaltung und treten auf, wenn HTTP Digest Authentication Informationen oder HTTP Basic Authentication Informationen verarbeitet werden. Ein Angreifer kann dieses durch \u00dcbermittlung geeignet gestalteter Daten zu einem Denial of Service Angriff nutzen." } ], "product_status": { "known_affected": [ "2951", "T002207", "67646", "T000126", "T013312", "398363", "1727", "T004914" ] }, "release_date": "2019-07-14T22:00:00Z", "title": "CVE-2019-12525" }, { "cve": "CVE-2019-12529", "notes": [ { "category": "description", "text": "Es existieren mehrere Schwachstellen in Squid. Diese beruhen auf einem Fehler in der Speicherverwaltung und treten auf, wenn HTTP Digest Authentication Informationen oder HTTP Basic Authentication Informationen verarbeitet werden. Ein Angreifer kann dieses durch \u00dcbermittlung geeignet gestalteter Daten zu einem Denial of Service Angriff nutzen." } ], "product_status": { "known_affected": [ "2951", "T002207", "67646", "T000126", "T013312", "398363", "1727", "T004914" ] }, "release_date": "2019-07-14T22:00:00Z", "title": "CVE-2019-12529" }, { "cve": "CVE-2019-12854", "notes": [ { "category": "description", "text": "Es existiert eine Schwachstelle in Squid. Dies befindet sich im cachemgr.cgi und beruht auf einer Nutzung von nicht initialisiertem Speicher. Ein Angreifer mit Zugriff auf die Squid Manager API kann dieses nutzen und den CGI Prozess zum Absturz bringen." } ], "product_status": { "known_affected": [ "2951", "T002207", "67646", "T000126", "T013312", "398363", "1727", "T004914" ] }, "release_date": "2019-07-14T22:00:00Z", "title": "CVE-2019-12854" } ] }
ghsa-wxh3-97xf-wv5x
Vulnerability from github
Published
2022-05-24 16:50
Modified
2024-04-04 01:15
Severity ?
Details
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.
{ "affected": [], "aliases": [ "CVE-2019-12525" ], "database_specific": { "cwe_ids": [ "CWE-119", "CWE-787" ], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2019-07-11T19:15:00Z", "severity": "CRITICAL" }, "details": "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\u0027s 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.", "id": "GHSA-wxh3-97xf-wv5x", "modified": "2024-04-04T01:15:01Z", "published": "2022-05-24T16:50:06Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-12525" }, { "type": "WEB", "url": "https://github.com/squid-cache/squid/commits/v4" }, { "type": "WEB", "url": "https://lists.debian.org/debian-lts-announce/2019/07/msg00018.html" }, { "type": "WEB", "url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html" }, { "type": "WEB", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPXN2CLAGN5QSQBTOV5IGVLDOQSRFNTZ" }, { "type": "WEB", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SPXN2CLAGN5QSQBTOV5IGVLDOQSRFNTZ" }, { "type": "WEB", "url": "https://seclists.org/bugtraq/2019/Aug/42" }, { "type": "WEB", "url": "https://usn.ubuntu.com/4065-1" }, { "type": "WEB", "url": "https://usn.ubuntu.com/4065-2" }, { "type": "WEB", "url": "https://www.debian.org/security/2019/dsa-4507" }, { "type": "WEB", "url": "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00053.html" }, { "type": "WEB", "url": "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00056.html" }, { "type": "WEB", "url": "http://www.squid-cache.org/Versions/v4/changesets" }, { "type": "WEB", "url": "http://www.squid-cache.org/Versions/v4/changesets/squid-4-7f73e9c5d17664b882ed32590e6af310c247f320.patch" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "type": "CVSS_V3" } ] }
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.