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CVE-2016-2168

Estado: ModificadaMedia (6.5)—

The req_check_access function in the mod_authz_svn module in the httpd server in Apache Subversion before 1.8.16 and 1.9.x before 1.9.4 allows remote authenticated users to cause a denial of service (NULL pointer dereference and crash) via a crafted header in a (1) MOVE or (2) COPY request, involving an authorization check.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Apache — Subversion

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2016-2168",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2016-05-05T18:59:01.710",
  "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-2016-2168-advisory.txt",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.debian.org/security/2016/dsa-3561",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/89320",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1035707",
      "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"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184545.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-updates/2016-05/msg00043.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-updates/2016-05/msg00044.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://mail-archives.apache.org/mod_mbox/subversion-announce/201604.mbox/%3CCAP_GPNgJet+7_MAhomFVOXPgLtewcUw9w=k9zdPCkq5tvPxVMA%40mail.gmail.com%3E",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://mail-archives.apache.org/mod_mbox/subversion-announce/201604.mbox/%3CCAP_GPNgfn1iKueW51EpmXzXi_URNfGNofZSgOyW1_jnSeNm5DQ%40mail.gmail.com%3E",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://subversion.apache.org/security/CVE-2016-2168-advisory.txt",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.debian.org/security/2016/dsa-3561",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/89320",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1035707",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.417496",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://security.gentoo.org/glsa/201610-05",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.oracle.com/security-alerts/cpuoct2020.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The req_check_access function in the mod_authz_svn module in the httpd server in Apache Subversion before 1.8.16 and 1.9.x before 1.9.4 allows remote authenticated users to cause a denial of service (NULL pointer dereference and crash) via a crafted header in a (1) MOVE or (2) COPY request, involving an authorization check."
    },
    {
      "lang": "es",
      "value": "La función req_check_access en el módulo mod_authz_svn en el servidor httpd en Apache Subversion en versiones anteriores a 1.8.16 y 1.9.x en versiones anteriores a 1.9.4 permite a usuarios remotos autenticados provocar una denegación de servicio (referencia a puntero NULL y caída) a través de una cabecera manipulada en una petición (1) MOVE o (2) COPY, involucrando una verificación de autorización."
    }
  ],
  "lastModified": "2026-06-17T00:43:34.463",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:apache:subversion:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DD9BA15E-397D-4B1F-B755-8FFBBF58AE59",
              "versionEndIncluding": "1.8.15"
            },
            {
              "criteria": "cpe:2.3:a:apache:subversion:1.9.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "892FF423-1848-4E69-8C4C-E1972B656196"
            },
            {
              "criteria": "cpe:2.3:a:apache:subversion:1.9.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9ACF37C7-8752-4A8F-B7E3-2E813C4A0DF0"
            },
            {
              "criteria": "cpe:2.3:a:apache:subversion:1.9.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "74200C33-9505-48EB-964D-6CA28C7F6DB8"
            },
            {
              "criteria": "cpe:2.3:a:apache:subversion:1.9.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "09FBAFE7-986D-4B24-8122-FDCC380331C9"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "evaluatorComment": "<a href=\"http://cwe.mitre.org/data/definitions/476.html\">CWE-476: NULL Pointer Dereference</a>",
  "sourceIdentifier": "secalert@redhat.com"
}