rhsa-2024_9180
Vulnerability from csaf_redhat
Published
2024-11-12 08:48
Modified
2024-11-24 16:25
Summary
Red Hat Security Advisory: mod_auth_openidc security update

Notes

Topic
An update for mod_auth_openidc 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 mod_auth_openidc is an OpenID Connect authentication module for Apache HTTP Server. It enables an Apache HTTP Server to operate as an OpenID Connect Relying Party and/or OAuth 2.0 Resource Server. Security Fix(es): * mod_auth_openidc: DoS when using `OIDCSessionType client-cookie` and manipulating cookies (CVE-2024-24814) 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 9.5 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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      "cve": "CVE-2024-24814",
      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
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      "discovery_date": "2024-02-13T00:00:00+00:00",
      "ids": [
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          "text": "2264092"
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      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in mod_auth_openidc, an OpenID Certified\u2122 authentication and authorization module for the Apache HTTP server. Missing input validation in the mod_auth_openidc_session_chunks cookie value can make the server vulnerable to a denial of service attack. This issue may allow a remote attacker to craft a request that causes the application or system to slow down or crash due to unhandled errors.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "mod_auth_openidc: DoS when using `OIDCSessionType client-cookie` and manipulating cookies",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "The identified vulnerability in the application\u0027s handling of the mod_auth_openidc_session_chunks cookie represents a moderate severity issue rather than a important one due to several factors. While the ability for attackers to craft requests causing server strain and potential unresponsiveness poses a threat to the availability of the service, it requires specific conditions to exploit. The attack relies on manipulating a specific cookie with an exceptionally large value, which may not be easily achievable without user interaction or prior access to the system. Additionally, the impact is limited to denial of service rather than compromising sensitive data or system integrity.",
          "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.",
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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2024-24814"
        },
        {
          "category": "external",
          "summary": "RHBZ#2264092",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2264092"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2024-24814",
          "url": "https://www.cve.org/CVERecord?id=CVE-2024-24814"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2024-24814",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-24814"
        }
      ],
      "release_date": "2024-02-13T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2024-11-12T08:48:11+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",
          "product_ids": [
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            "AppStream-9.5.0.GA:mod_auth_openidc-debugsource-0:2.4.10-1.el9.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2024:9180"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options don\u0027t meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
          "product_ids": [
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          ]
        }
      ],
      "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": [
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "mod_auth_openidc: DoS when using `OIDCSessionType client-cookie` and manipulating cookies"
    }
  ]
}


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