rhsa-2023_6635
Vulnerability from csaf_redhat
Published
2023-11-07 08:38
Modified
2024-09-13 21:17
Summary
Red Hat Security Advisory: c-ares security, bug fix, and enhancement update
Notes
Topic
An update for c-ares is now available for Red Hat Enterprise Linux 9.
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
The c-ares C library defines asynchronous DNS (Domain Name System) requests and provides name resolving API.
The following packages have been upgraded to a later upstream version: c-ares (1.19.1). (BZ#2210370)
Security Fix(es):
* c-ares: buffer overflow in config_sortlist() due to missing string length check (CVE-2022-4904)
* c-ares: Buffer Underwrite in ares_inet_net_pton() (CVE-2023-31130)
* c-ares: Insufficient randomness in generation of DNS query IDs (CVE-2023-31147)
* c-ares: AutoTools does not set CARES_RANDOM_FILE during cross compilation (CVE-2023-31124)
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 9.3 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.
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"details": "Moderate"
}
],
"title": "c-ares: buffer overflow in config_sortlist() due to missing string length check"
},
{
"cve": "CVE-2023-31124",
"cwe": {
"id": "CWE-330",
"name": "Use of Insufficiently Random Values"
},
"discovery_date": "2023-05-24T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2209494"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in c-ares. This issue occurs when cross-compiling c-ares and using the autotools build system, CARES_RANDOM_FILE will not be set, as seen when cross-compiling aarch64 android. As a result, it will downgrade to rand(), which could allow an attacker to utilize the lack of entropy by not using a CSPRNG.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "c-ares: AutoTools does not set CARES_RANDOM_FILE during cross compilation",
"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"
}
],
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"category": "external",
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{
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"url": "https://www.cve.org/CVERecord?id=CVE-2023-31124"
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{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-31124",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-31124"
},
{
"category": "external",
"summary": "https://github.com/c-ares/c-ares/security/advisories/GHSA-54xr-f67r-4pc4",
"url": "https://github.com/c-ares/c-ares/security/advisories/GHSA-54xr-f67r-4pc4"
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"category": "vendor_fix",
"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",
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},
{
"cve": "CVE-2023-31130",
"discovery_date": "2023-05-24T00:00:00+00:00",
"ids": [
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"text": "2209497"
}
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{
"category": "description",
"text": "A vulnerability was found in c-ares. This issue occurs in the ares_inet_net_pton() function, which is vulnerable to a buffer underflow for certain ipv6 addresses. \"0::00:00:00/2\" in particular was found to cause an issue. C-ares only uses this function internally for configuration purposes, which would require an administrator to configure such an address via ares_set_sortlist().",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "c-ares: Buffer Underwrite in ares_inet_net_pton()",
"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"
}
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{
"category": "self",
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"url": "https://access.redhat.com/security/cve/CVE-2023-31130"
},
{
"category": "external",
"summary": "RHBZ#2209497",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2209497"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2023-31130",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-31130"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-31130",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-31130"
},
{
"category": "external",
"summary": "https://github.com/c-ares/c-ares/security/advisories/GHSA-x6mf-cxr9-8q6v",
"url": "https://github.com/c-ares/c-ares/security/advisories/GHSA-x6mf-cxr9-8q6v"
}
],
"release_date": "2023-05-22T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"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",
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"baseScore": 5.7,
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"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H",
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"title": "c-ares: Buffer Underwrite in ares_inet_net_pton()"
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{
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"name": "Use of Insufficiently Random Values"
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"title": "Vulnerability description"
},
{
"category": "summary",
"text": "c-ares: Insufficient randomness in generation of DNS query IDs",
"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"
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2023-31147"
},
{
"category": "external",
"summary": "RHBZ#2209501",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2209501"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2023-31147",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-31147"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-31147",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-31147"
},
{
"category": "external",
"summary": "https://github.com/c-ares/c-ares/security/advisories/GHSA-8r8p-23f3-64c2",
"url": "https://github.com/c-ares/c-ares/security/advisories/GHSA-8r8p-23f3-64c2"
}
],
"release_date": "2023-05-22T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"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",
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"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2023:6635"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
"version": "3.1"
},
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"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "c-ares: Insufficient randomness in generation of DNS query IDs"
}
]
}
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