rhsa-2024_1085
Vulnerability from csaf_redhat
Published
2024-03-05 08:20
Modified
2024-11-06 05:09
Summary
Red Hat Security Advisory: squid security update

Notes

Topic
An update for squid is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. 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: denial of service in HTTP request parsing (CVE-2023-50269) 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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      "cwe": {
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      "discovery_date": "2023-12-15T00:00:00+00:00",
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      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Squid, which is susceptible to a Denial of Service (DoS) due to an Uncontrolled Recursion bug, specifically targeting HTTP Request parsing. Exploiting this issue involves a remote client initiating a DoS attack by sending an oversized X-Forwarded-For header when the follow_x_forwarded_for feature is configured. This issue poses a threat to the stability and availability of the Squid service.",
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          "text": "squid: denial of service in HTTP request parsing",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Squid configurations lacking the \"follow_x_forwarded_for\" setting are not susceptible to the vulnerability.",
          "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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        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2023-50269",
          "url": "https://www.cve.org/CVERecord?id=CVE-2023-50269"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-50269",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-50269"
        },
        {
          "category": "external",
          "summary": "http://www.squid-cache.org/Versions/v5/SQUID-2023_10.patch",
          "url": "http://www.squid-cache.org/Versions/v5/SQUID-2023_10.patch"
        },
        {
          "category": "external",
          "summary": "http://www.squid-cache.org/Versions/v6/SQUID-2023_10.patch",
          "url": "http://www.squid-cache.org/Versions/v6/SQUID-2023_10.patch"
        },
        {
          "category": "external",
          "summary": "https://github.com/squid-cache/squid/security/advisories/GHSA-wgq4-4cfg-c4x3",
          "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-wgq4-4cfg-c4x3"
        }
      ],
      "release_date": "2023-12-14T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2024-03-05T08:20:15+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\n\nAfter installing this update, the squid service will be restarted automatically.",
          "product_ids": [
            "AppStream-9.2.0.Z.EUS:squid-7:5.5-5.el9_2.4.aarch64",
            "AppStream-9.2.0.Z.EUS:squid-7:5.5-5.el9_2.4.ppc64le",
            "AppStream-9.2.0.Z.EUS:squid-7:5.5-5.el9_2.4.s390x",
            "AppStream-9.2.0.Z.EUS:squid-7:5.5-5.el9_2.4.src",
            "AppStream-9.2.0.Z.EUS:squid-7:5.5-5.el9_2.4.x86_64",
            "AppStream-9.2.0.Z.EUS:squid-debuginfo-7:5.5-5.el9_2.4.aarch64",
            "AppStream-9.2.0.Z.EUS:squid-debuginfo-7:5.5-5.el9_2.4.ppc64le",
            "AppStream-9.2.0.Z.EUS:squid-debuginfo-7:5.5-5.el9_2.4.s390x",
            "AppStream-9.2.0.Z.EUS:squid-debuginfo-7:5.5-5.el9_2.4.x86_64",
            "AppStream-9.2.0.Z.EUS:squid-debugsource-7:5.5-5.el9_2.4.aarch64",
            "AppStream-9.2.0.Z.EUS:squid-debugsource-7:5.5-5.el9_2.4.ppc64le",
            "AppStream-9.2.0.Z.EUS:squid-debugsource-7:5.5-5.el9_2.4.s390x",
            "AppStream-9.2.0.Z.EUS:squid-debugsource-7:5.5-5.el9_2.4.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2024:1085"
        },
        {
          "category": "workaround",
          "details": "Remove all \"follow_x_forwarded_for\" lines from squid.conf.",
          "product_ids": [
            "AppStream-9.2.0.Z.EUS:squid-7:5.5-5.el9_2.4.aarch64",
            "AppStream-9.2.0.Z.EUS:squid-7:5.5-5.el9_2.4.ppc64le",
            "AppStream-9.2.0.Z.EUS:squid-7:5.5-5.el9_2.4.s390x",
            "AppStream-9.2.0.Z.EUS:squid-7:5.5-5.el9_2.4.src",
            "AppStream-9.2.0.Z.EUS:squid-7:5.5-5.el9_2.4.x86_64",
            "AppStream-9.2.0.Z.EUS:squid-debuginfo-7:5.5-5.el9_2.4.aarch64",
            "AppStream-9.2.0.Z.EUS:squid-debuginfo-7:5.5-5.el9_2.4.ppc64le",
            "AppStream-9.2.0.Z.EUS:squid-debuginfo-7:5.5-5.el9_2.4.s390x",
            "AppStream-9.2.0.Z.EUS:squid-debuginfo-7:5.5-5.el9_2.4.x86_64",
            "AppStream-9.2.0.Z.EUS:squid-debugsource-7:5.5-5.el9_2.4.aarch64",
            "AppStream-9.2.0.Z.EUS:squid-debugsource-7:5.5-5.el9_2.4.ppc64le",
            "AppStream-9.2.0.Z.EUS:squid-debugsource-7:5.5-5.el9_2.4.s390x",
            "AppStream-9.2.0.Z.EUS:squid-debugsource-7:5.5-5.el9_2.4.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "AppStream-9.2.0.Z.EUS:squid-7:5.5-5.el9_2.4.aarch64",
            "AppStream-9.2.0.Z.EUS:squid-7:5.5-5.el9_2.4.ppc64le",
            "AppStream-9.2.0.Z.EUS:squid-7:5.5-5.el9_2.4.s390x",
            "AppStream-9.2.0.Z.EUS:squid-7:5.5-5.el9_2.4.src",
            "AppStream-9.2.0.Z.EUS:squid-7:5.5-5.el9_2.4.x86_64",
            "AppStream-9.2.0.Z.EUS:squid-debuginfo-7:5.5-5.el9_2.4.aarch64",
            "AppStream-9.2.0.Z.EUS:squid-debuginfo-7:5.5-5.el9_2.4.ppc64le",
            "AppStream-9.2.0.Z.EUS:squid-debuginfo-7:5.5-5.el9_2.4.s390x",
            "AppStream-9.2.0.Z.EUS:squid-debuginfo-7:5.5-5.el9_2.4.x86_64",
            "AppStream-9.2.0.Z.EUS:squid-debugsource-7:5.5-5.el9_2.4.aarch64",
            "AppStream-9.2.0.Z.EUS:squid-debugsource-7:5.5-5.el9_2.4.ppc64le",
            "AppStream-9.2.0.Z.EUS:squid-debugsource-7:5.5-5.el9_2.4.s390x",
            "AppStream-9.2.0.Z.EUS:squid-debugsource-7:5.5-5.el9_2.4.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "squid: denial of service in HTTP request parsing"
    }
  ]
}


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