rhsa-2023_6882
Vulnerability from csaf_redhat
Published
2023-11-13 08:57
Modified
2024-09-16 15:37
Summary
Red Hat Security Advisory: squid34 security update

Notes

Topic
An update for squid34 is now available for Red Hat Enterprise Linux 6 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Critical. 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 "squid34" packages provide version 3.4 of Squid, a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. Note that apart from "squid34", this version of Red Hat Enterprise Linux also includes the "squid" packages which provide Squid version 3.1. Security Fix(es): * squid: Denial of Service in HTTP Digest Authentication (CVE-2023-46847) 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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      "text": "Critical"
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    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
      "tlp": {
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    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "An update for squid34 is now available for Red Hat Enterprise Linux 6 Extended Lifecycle Support.\n\nRed Hat Product Security has rated this update as having a security impact of Critical. 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": "The \"squid34\" packages provide version 3.4 of Squid, a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. Note that apart from \"squid34\", this version of Red Hat Enterprise Linux also includes the \"squid\" packages which provide Squid version 3.1.\n\nSecurity Fix(es):\n\n* squid: Denial of Service in HTTP Digest Authentication (CVE-2023-46847)\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"
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      "id": "RHSA-2023:6882",
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      "revision_history": [
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      "cwe": {
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        "name": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)"
      },
      "discovery_date": "2023-10-24T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2245916"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Squid is vulnerable to a Denial of Service,  where a remote attacker can perform buffer overflow attack by writing up to 2 MB of arbitrary data to heap memory when Squid is configured to accept HTTP Digest Authentication.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "squid: Denial of Service in HTTP Digest Authentication",
          "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": [
          "6Server-ELS:squid34-7:3.4.14-15.el6_10.1.i686",
          "6Server-ELS:squid34-7:3.4.14-15.el6_10.1.s390x",
          "6Server-ELS:squid34-7:3.4.14-15.el6_10.1.src",
          "6Server-ELS:squid34-7:3.4.14-15.el6_10.1.x86_64",
          "6Server-ELS:squid34-debuginfo-7:3.4.14-15.el6_10.1.i686",
          "6Server-ELS:squid34-debuginfo-7:3.4.14-15.el6_10.1.s390x",
          "6Server-ELS:squid34-debuginfo-7:3.4.14-15.el6_10.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2023-46847"
        },
        {
          "category": "external",
          "summary": "RHBZ#2245916",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2245916"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2023-46847",
          "url": "https://www.cve.org/CVERecord?id=CVE-2023-46847"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-46847",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-46847"
        },
        {
          "category": "external",
          "summary": "https://github.com/squid-cache/squid/security/advisories/GHSA-phqj-m8gv-cq4g",
          "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-phqj-m8gv-cq4g"
        }
      ],
      "release_date": "2023-10-19T00:00:00+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\n\nAfter installing this update, the squid service will be restarted automatically.",
          "product_ids": [
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            "6Server-ELS:squid34-7:3.4.14-15.el6_10.1.s390x",
            "6Server-ELS:squid34-7:3.4.14-15.el6_10.1.src",
            "6Server-ELS:squid34-7:3.4.14-15.el6_10.1.x86_64",
            "6Server-ELS:squid34-debuginfo-7:3.4.14-15.el6_10.1.i686",
            "6Server-ELS:squid34-debuginfo-7:3.4.14-15.el6_10.1.s390x",
            "6Server-ELS:squid34-debuginfo-7:3.4.14-15.el6_10.1.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2023:6882"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
            "version": "3.1"
          },
          "products": [
            "6Server-ELS:squid34-7:3.4.14-15.el6_10.1.i686",
            "6Server-ELS:squid34-7:3.4.14-15.el6_10.1.s390x",
            "6Server-ELS:squid34-7:3.4.14-15.el6_10.1.src",
            "6Server-ELS:squid34-7:3.4.14-15.el6_10.1.x86_64",
            "6Server-ELS:squid34-debuginfo-7:3.4.14-15.el6_10.1.i686",
            "6Server-ELS:squid34-debuginfo-7:3.4.14-15.el6_10.1.s390x",
            "6Server-ELS:squid34-debuginfo-7:3.4.14-15.el6_10.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Critical"
        }
      ],
      "title": "squid: Denial of Service in HTTP Digest Authentication"
    }
  ]
}


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