GHSA-4J43-22VC-MH3H

Vulnerability from github – Published: 2022-05-13 01:14 – Updated: 2025-04-12 12:59
VLAI
Details

The canonicalize_username function in svnserve/cyrus_auth.c in Apache Subversion before 1.8.16 and 1.9.x before 1.9.4, when Cyrus SASL authentication is used, allows remote attackers to authenticate and bypass intended access restrictions via a realm string that is a prefix of an expected repository realm string.

Severity
6.8 (Medium)
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
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{
  "affected": [],
  "aliases": [
    "CVE-2016-2167"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-284"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2016-05-05T18:59:00Z",
    "severity": "MODERATE"
  },
  "details": "The canonicalize_username function in svnserve/cyrus_auth.c in Apache Subversion before 1.8.16 and 1.9.x before 1.9.4, when Cyrus SASL authentication is used, allows remote attackers to authenticate and bypass intended access restrictions via a realm string that is a prefix of an expected repository realm string.",
  "id": "GHSA-4j43-22vc-mh3h",
  "modified": "2025-04-12T12:59:29Z",
  "published": "2022-05-13T01:14:25Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-2167"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/201610-05"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpuoct2020.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184545.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-updates/2016-05/msg00043.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-updates/2016-05/msg00044.html"
    },
    {
      "type": "WEB",
      "url": "http://mail-archives.apache.org/mod_mbox/subversion-announce/201604.mbox/%3CCAP_GPNgJet+7_MAhomFVOXPgLtewcUw9w=k9zdPCkq5tvPxVMA%40mail.gmail.com%3E"
    },
    {
      "type": "WEB",
      "url": "http://mail-archives.apache.org/mod_mbox/subversion-announce/201604.mbox/%3CCAP_GPNgJet+7_MAhomFVOXPgLtewcUw9w=k9zdPCkq5tvPxVMA@mail.gmail.com%3E"
    },
    {
      "type": "WEB",
      "url": "http://mail-archives.apache.org/mod_mbox/subversion-announce/201604.mbox/%3CCAP_GPNgfn1iKueW51EpmXzXi_URNfGNofZSgOyW1_jnSeNm5DQ%40mail.gmail.com%3E"
    },
    {
      "type": "WEB",
      "url": "http://mail-archives.apache.org/mod_mbox/subversion-announce/201604.mbox/%3CCAP_GPNgfn1iKueW51EpmXzXi_URNfGNofZSgOyW1_jnSeNm5DQ@mail.gmail.com%3E"
    },
    {
      "type": "WEB",
      "url": "http://subversion.apache.org/security/CVE-2016-2167-advisory.txt"
    },
    {
      "type": "WEB",
      "url": "http://www.debian.org/security/2016/dsa-3561"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/89417"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id/1035706"
    },
    {
      "type": "WEB",
      "url": "http://www.slackware.com/security/viewer.php?l=slackware-security\u0026y=2016\u0026m=slackware-security.417496"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}



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