{
  "id": "CVE-2016-2167",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2016-05-05T18:59:00.117",
  "lastModified": "2023-11-07T02:31:00.537",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n canonicalize_username en svnserve/cyrus_auth.c en Apache Subversion en versiones anteriores a 1.8.16 y 1.9.x en versiones anteriores a 1.9.4, cuando se utiliza autenticaci\u00f3n Cyrus SASL, permite a atacantes remotos autenticarse y eludir restricciones destinadas al acceso a trav\u00e9s de una cadena realm que se prefija a un repositorio de cadena realm esperado."
    }
  ],
  "metrics": {
    "cvssMetricV30": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.0",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE",
          "baseScore": 6.8,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 5.2
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "SINGLE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE",
          "baseScore": 4.9
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 6.8,
        "impactScore": 4.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:apache:subversion:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "1.8.15",
              "matchCriteriaId": "DD9BA15E-397D-4B1F-B755-8FFBBF58AE59"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:apache:subversion:1.9.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "892FF423-1848-4E69-8C4C-E1972B656196"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:apache:subversion:1.9.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "9ACF37C7-8752-4A8F-B7E3-2E813C4A0DF0"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:apache:subversion:1.9.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "74200C33-9505-48EB-964D-6CA28C7F6DB8"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:apache:subversion:1.9.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "09FBAFE7-986D-4B24-8122-FDCC380331C9"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184545.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-updates/2016-05/msg00043.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-updates/2016-05/msg00044.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://mail-archives.apache.org/mod_mbox/subversion-announce/201604.mbox/%3CCAP_GPNgJet+7_MAhomFVOXPgLtewcUw9w=k9zdPCkq5tvPxVMA%40mail.gmail.com%3E",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://mail-archives.apache.org/mod_mbox/subversion-announce/201604.mbox/%3CCAP_GPNgfn1iKueW51EpmXzXi_URNfGNofZSgOyW1_jnSeNm5DQ%40mail.gmail.com%3E",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://subversion.apache.org/security/CVE-2016-2167-advisory.txt",
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://www.debian.org/security/2016/dsa-3561",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/89417",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1035706",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.417496",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://security.gentoo.org/glsa/201610-05",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://www.oracle.com/security-alerts/cpuoct2020.html",
      "source": "secalert@redhat.com"
    }
  ]
}