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CVE-2014-2289

Estado: ModificadaBaja (3.5)—

res/res_pjsip_exten_state.c in the PJSIP channel driver in Asterisk Open Source 12.x before 12.1.0 allows remote authenticated users to cause a denial of service (crash) via a SUBSCRIBE request without any Accept headers, which triggers an invalid pointer dereference.

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)

Digium — Asterisk

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2014-2289",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:S/C:N/I:N/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2014-04-18T22:14:38.137",
  "references": [
    {
      "url": "http://downloads.asterisk.org/pub/security/AST-2014-004-12.diff",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://downloads.asterisk.org/pub/security/AST-2014-004.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2014-March/130400.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2014-March/130426.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://issues.asterisk.org/jira/browse/ASTERISK-23139",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://downloads.asterisk.org/pub/security/AST-2014-004-12.diff",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://downloads.asterisk.org/pub/security/AST-2014-004.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2014-March/130400.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2014-March/130426.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://issues.asterisk.org/jira/browse/ASTERISK-23139",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "res/res_pjsip_exten_state.c in the PJSIP channel driver in Asterisk Open Source 12.x before 12.1.0 allows remote authenticated users to cause a denial of service (crash) via a SUBSCRIBE request without any Accept headers, which triggers an invalid pointer dereference."
    },
    {
      "lang": "es",
      "value": "res/res_pjsip_exten_state.c en el controlador de canal PJSIP en Asterisk Open Source 12.x anterior a 12.1.0 permite a usuarios remotos autenticados causar una denegaci´´on de servicio (caída) a través de una solicitud SUBSCRIBE sin cabeceras  Accept, lo que provoca una referencia de puntero invalida."
    }
  ],
  "lastModified": "2026-06-17T00:06:21.743",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:digium:asterisk:12.0.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B446105E-6C8E-495A-BF83-A33CB33485A5"
            },
            {
              "criteria": "cpe:2.3:a:digium:asterisk:12.1.0:rc1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3B4D6D24-A718-4962-AD4E-F19AFB03BFF4"
            },
            {
              "criteria": "cpe:2.3:a:digium:asterisk:12.1.0:rc2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "BE2F0D0D-761C-4338-93F0-506E94E57000"
            },
            {
              "criteria": "cpe:2.3:a:digium:asterisk:12.1.0:rc3:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3D38DFCA-E357-4A28-8F03-FDADF40A5185"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}