rhsa-2023_7392
Vulnerability from csaf_redhat
Published
2023-11-21 11:47
Modified
2024-11-15 17:36
Summary
Red Hat Security Advisory: c-ares security update

Notes

Topic
An update for c-ares is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. 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. Security Fix(es): * c-ares: Buffer Underwrite in ares_inet_net_pton() (CVE-2023-31130) 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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  "vulnerabilities": [
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      "cve": "CVE-2023-31130",
      "discovery_date": "2023-05-24T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2209497"
        }
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      "notes": [
        {
          "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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          "url": "https://www.cve.org/CVERecord?id=CVE-2023-31130"
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          "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",
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          "date": "2023-11-21T11:47:27+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",
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            "attackVector": "LOCAL",
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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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      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "c-ares: Buffer Underwrite in ares_inet_net_pton()"
    }
  ]
}


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