rhsa-2023_6365
Vulnerability from csaf_redhat
Published
2023-11-07 09:08
Modified
2024-11-22 22:58
Summary
Red Hat Security Advisory: mod_auth_openidc security and bug fix 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: Open Redirect in oidc_validate_redirect_url() using tab character (CVE-2022-23527) * mod_auth_openidc: NULL pointer dereference when OIDCStripCookies is set and a crafted Cookie header is supplied (CVE-2023-28625) 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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  "vulnerabilities": [
    {
      "cve": "CVE-2022-23527",
      "cwe": {
        "id": "CWE-601",
        "name": "URL Redirection to Untrusted Site (\u0027Open Redirect\u0027)"
      },
      "discovery_date": "2022-12-15T00:00:00+00:00",
      "ids": [
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          "text": "2153655"
        }
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      "notes": [
        {
          "category": "description",
          "text": "An open redirect vulnerability was found in mod_auth_openidc, an OpenID Certified\u2122 authentication and authorization module for the Apache 2.x HTTP server. When providing a logout parameter to the redirect URI, the existing code in oidc_validate_redirect_url() does not properly check for URLs that start with /\\t, leading to an open redirect.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "mod_auth_openidc: Open Redirect in oidc_validate_redirect_url() using tab character",
          "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-2022-23527"
        },
        {
          "category": "external",
          "summary": "RHBZ#2153655",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2153655"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2022-23527",
          "url": "https://www.cve.org/CVERecord?id=CVE-2022-23527"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-23527",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-23527"
        },
        {
          "category": "external",
          "summary": "https://github.com/zmartzone/mod_auth_openidc/security/advisories/GHSA-q6f2-285m-gr53",
          "url": "https://github.com/zmartzone/mod_auth_openidc/security/advisories/GHSA-q6f2-285m-gr53"
        }
      ],
      "release_date": "2022-12-14T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2023-11-07T09:08:12+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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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2023:6365"
        },
        {
          "category": "workaround",
          "details": "This vulnerability can mitigated by configuring mod_auth_openidc to only allow redirection whose destination matches a given regular expression with OIDCRedirectURLsAllowed.",
          "product_ids": [
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      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "mod_auth_openidc: Open Redirect in oidc_validate_redirect_url() using tab character"
    },
    {
      "cve": "CVE-2023-28625",
      "cwe": {
        "id": "CWE-476",
        "name": "NULL Pointer Dereference"
      },
      "discovery_date": "2023-04-03T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2184118"
        }
      ],
      "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. It is possible to trigger a NULL pointer dereference when `OIDCStripCookies` is set and a crafted `Cookie` header is supplied, leading to a segmentation fault and a denial of service.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "mod_auth_openidc: NULL pointer dereference when OIDCStripCookies is set and a crafted Cookie header is supplied",
          "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": {
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      "references": [
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2023-28625"
        },
        {
          "category": "external",
          "summary": "RHBZ#2184118",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2184118"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2023-28625",
          "url": "https://www.cve.org/CVERecord?id=CVE-2023-28625"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-28625",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-28625"
        },
        {
          "category": "external",
          "summary": "https://github.com/OpenIDC/mod_auth_openidc/security/advisories/GHSA-f5xw-rvfr-24qr",
          "url": "https://github.com/OpenIDC/mod_auth_openidc/security/advisories/GHSA-f5xw-rvfr-24qr"
        }
      ],
      "release_date": "2023-04-03T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
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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"
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "mod_auth_openidc: NULL pointer dereference when OIDCStripCookies is set and a crafted Cookie header is supplied"
    }
  ]
}


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