rhsa-2021_0494
Vulnerability from csaf_redhat
Published
2021-02-11 13:51
Modified
2024-11-15 11:46
Summary
Red Hat Security Advisory: Red Hat JBoss Web Server 5.4.1 Security Update
Notes
Topic
Updated Red Hat JBoss Web Server 5.4.1 packages are now available for Red Hat Enterprise Linux 7, and Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this release 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
Red Hat JBoss Web Server is a fully integrated and certified set of components for hosting Java web applications. It is comprised of the Apache Tomcat Servlet container, JBoss HTTP Connector (mod_cluster), the PicketLink Vault extension for Apache Tomcat, and the Tomcat Native library.
This release of Red Hat JBoss Web Server 5.4.1 serves as a replacement for Red Hat JBoss Web Server 5.4.0, and includes bug fixes, enhancements and component upgrades, which are documented in the Release Notes, linked to in the References.
Security Fix(es):
* tomcat: Apache Tomcat HTTP/2 Request mix-up (CVE-2020-13943)
* tomcat: HTTP/2 request header mix-up (CVE-2020-17527)
* tomcat: Information disclosure when using NTFS file system (CVE-2021-24122)
* openssl: EDIPARTYNAME NULL pointer de-reference (CVE-2020-1971)
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.
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"names": [
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]
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"organization": "Google",
"summary": "Acknowledged by upstream."
}
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"cve": "CVE-2020-1971",
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"id": "CWE-476",
"name": "NULL Pointer Dereference"
},
"discovery_date": "2020-12-02T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1903409"
}
],
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{
"category": "description",
"text": "A null pointer dereference flaw was found in openssl. A remote attacker, able to control the arguments of the GENERAL_NAME_cmp function, could cause the application, compiled with openssl to crash resulting in a denial of service. The highest threat from this vulnerability is to system availability.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "openssl: EDIPARTYNAME NULL pointer de-reference",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This is a flaw in the GENERAL_NAME_cmp function of openssl which can be triggered when both its arguments are of the same type i.e. EDIPARTYNAME. \n\n1. Red Hat does not ship any applications compiled with openssl, which used the above function in a vulnerable way.\n\n2. OpenSSL itself uses the GENERAL_NAME_cmp function for two purposes, when comparing CRL distribution point names between an available CRL and a CRL distribution point embedded in an X509 certificate and when verifying that a timestamp response token signer matches the timestamp authority name (exposed via the API functions TS_RESP_verify_response and TS_RESP_verify_token). If an attacker can control both items being compared then that attacker could trigger a crash. For example, if the attacker can trick a client or server into checking a malicious certificate against a malicious CRL then a crash may be triggered.\n\nThird party applications compiled with openssl using the function GENERAL_NAME_cmp in a vulnerable way are affected by this flaw.\n\nGENERAL_NAME_cmp was added in 0.9.8k, therefore older versions of openssl are not affected by this flaw.",
"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"
}
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{
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},
{
"category": "external",
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},
{
"category": "external",
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"url": "https://www.cve.org/CVERecord?id=CVE-2020-1971"
},
{
"category": "external",
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-1971"
},
{
"category": "external",
"summary": "https://www.openssl.org/news/secadv/20201208.txt",
"url": "https://www.openssl.org/news/secadv/20201208.txt"
}
],
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"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",
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"threats": [
{
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"details": "Low"
}
],
"title": "openssl: EDIPARTYNAME NULL pointer de-reference"
},
{
"cve": "CVE-2020-13943",
"cwe": {
"id": "CWE-200",
"name": "Exposure of Sensitive Information to an Unauthorized Actor"
},
"discovery_date": "2020-10-13T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1887648"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in Apache Tomcat. If an HTTP/2 client exceeded the agreed maximum number of concurrent streams for a connection (in violation of the HTTP/2 protocol), it is possible that a subsequent request made on that connection could contain HTTP headers - including HTTP/2 pseudo headers - from a previous request rather than the intended headers. This could lead to users seeing responses for unexpected resources. The highest threat from this vulnerability is to data confidentiality.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "tomcat: Apache Tomcat HTTP/2 Request mix-up",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Red Hat Enterprise Linux 8\u0027s Identity Management is using an affected version of Tomcat bundled within PKI servlet engine, however HTTP/2 protocol is not supported by this component.",
"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": {
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"url": "https://www.cve.org/CVERecord?id=CVE-2020-13943"
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{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-13943",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-13943"
},
{
"category": "external",
"summary": "http://mail-archives.apache.org/mod_mbox/tomcat-announce/202010.mbox/%3C2b767c6e-dcb9-5816-bd69-a3bc0771fef3%40apache.org%3E",
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"release_date": "2020-10-12T00:00:00+00:00",
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"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "tomcat: Apache Tomcat HTTP/2 Request mix-up"
},
{
"cve": "CVE-2020-17527",
"cwe": {
"id": "CWE-200",
"name": "Exposure of Sensitive Information to an Unauthorized Actor"
},
"discovery_date": "2020-12-03T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1904221"
}
],
"notes": [
{
"category": "description",
"text": "While investigating bug 64830 it was discovered that Apache Tomcat 10.0.0-M1 to 10.0.0-M9, 9.0.0-M1 to 9.0.39 and 8.5.0 to 8.5.59 could re-use an HTTP request header value from the previous stream received on an HTTP/2 connection for the request associated with the subsequent stream. While this would most likely lead to an error and the closure of the HTTP/2 connection, it is possible that information could leak between requests.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "tomcat: HTTP/2 request header mix-up",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Red Hat Enterprise Linux 8\u0027s Identity Management and Certificate System are using a vulnerable version of Tomcat that is bundled into the pki-servlet-engine component. However, HTTP/2 is not enabled in such a configuration, and it is not possible to trigger the flaw in a supported setup. A future update may fix the code.\n\nRed Hat Enterprise Linux 7\u0027s tomcat package, Identity Management, and Certificate System are all not affected by this flaw because HTTP/2 is not supported in the shipped version of tomcat in those packages.\n\ntomcat5 and tomcat6 in Red Hat Enterprise Linux 5 and 6 (respectively) are not affected by this flaw because HTTP/2 is not supported in the shipped versions of those packages.",
"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": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2020-17527"
},
{
"category": "external",
"summary": "RHBZ#1904221",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1904221"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2020-17527",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-17527"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-17527",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-17527"
},
{
"category": "external",
"summary": "http://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.0.0-M10",
"url": "http://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.0.0-M10"
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{
"category": "external",
"summary": "http://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.60",
"url": "http://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.60"
},
{
"category": "external",
"summary": "http://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.40",
"url": "http://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.40"
}
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"release_date": "2020-12-03T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2021-02-11T13:51:48+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "tomcat: HTTP/2 request header mix-up"
},
{
"cve": "CVE-2021-24122",
"cwe": {
"id": "CWE-200",
"name": "Exposure of Sensitive Information to an Unauthorized Actor"
},
"discovery_date": "2021-01-15T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1917209"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in Apache Tomcat. When serving resources from a network location using the NTFS file system, it was possible to bypass security constraints and view the source code for JSPs in some configurations. The root cause was the unexpected behavior of the JRE API File.getCanonicalPath(), which was caused by the inconsistent behavior of the Windows API (FindFirstFileW) in some circumstances. The highest threat from this vulnerability is to confidentiality.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "tomcat: Information disclosure when using NTFS file system",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "In Red Hat OpenStack Platform\u0027s OpenDaylight, tomcat is disabled by default. Further, ODL deployments are not supported on untrusted administrator networks; even if tomcat is enabled, if random users can access it, this would be in an unsupported configuration. For this reason, the RHOSP impact has been reduced and no update will be provided at this time for the ODL tomcat package.\n\nThis flaw does not affect tomcat or pki-servlet-engine as shipped with Red Hat Enterprise Linux 6, 7, or 8 because the functionality involving FindFirstFileW() is specific to the Windows native code. Additionally, RHEL is not shipped with NTFS support.",
"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": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2021-24122"
},
{
"category": "external",
"summary": "RHBZ#1917209",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1917209"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2021-24122",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-24122"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-24122",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-24122"
},
{
"category": "external",
"summary": "http://mail-archives.apache.org/mod_mbox/tomcat-announce/202101.mbox/%3Cf3765f21-969d-7f21-e34a-efc106175373%40apache.org%3E",
"url": "http://mail-archives.apache.org/mod_mbox/tomcat-announce/202101.mbox/%3Cf3765f21-969d-7f21-e34a-efc106175373%40apache.org%3E"
},
{
"category": "external",
"summary": "http://tomcat.apache.org/security-7.html#Fixed_in_Apache_Tomcat_7.0.107",
"url": "http://tomcat.apache.org/security-7.html#Fixed_in_Apache_Tomcat_7.0.107"
},
{
"category": "external",
"summary": "http://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.60",
"url": "http://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.60"
},
{
"category": "external",
"summary": "http://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.40",
"url": "http://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.40"
}
],
"release_date": "2021-01-14T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2021-02-11T13:51:48+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2021:0494"
}
],
"scores": [
{
"cvss_v3": {
"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"
},
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"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "tomcat: Information disclosure when using NTFS file system"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- 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.