CVE-2012-4737 (GCVE-0-2012-4737)

Vulnerability from cvelistv5 – Published: 2012-08-31 14:00 – Updated: 2024-08-06 20:42
VLAI
Summary
channels/chan_iax2.c in Asterisk Open Source 1.8.x before 1.8.15.1 and 10.x before 10.7.1, Certified Asterisk 1.8.11 before 1.8.11-cert7, Asterisk Digiumphones 10.x.x-digiumphones before 10.7.1-digiumphones, and Asterisk Business Edition C.3.x before C.3.7.6 does not enforce ACL rules during certain uses of peer credentials, which allows remote authenticated users to bypass intended outbound-call restrictions by leveraging the availability of these credentials.
Severity
No CVSS data available.
CWE
  • n/a
References
URL Tags
http://downloads.asterisk.org/pub/security/AST-20… x_refsource_CONFIRM
http://secunia.com/advisories/50687 third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/50756 third-party-advisoryx_refsource_SECUNIA
http://www.securitytracker.com/id?1027461 vdb-entryx_refsource_SECTRACK
http://www.debian.org/security/2012/dsa-2550 vendor-advisoryx_refsource_DEBIAN
http://www.securityfocus.com/bid/55335 vdb-entryx_refsource_BID
Date Public
2012-08-30 00:00
Show details on NVD website

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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "channels/chan_iax2.c in Asterisk Open Source 1.8.x before 1.8.15.1 and 10.x before 10.7.1, Certified Asterisk 1.8.11 before 1.8.11-cert7, Asterisk Digiumphones 10.x.x-digiumphones before 10.7.1-digiumphones, and Asterisk Business Edition C.3.x before C.3.7.6 does not enforce ACL rules during certain uses of peer credentials, which allows remote authenticated users to bypass intended outbound-call restrictions by leveraging the availability of these credentials."
        },
        {
          "lang": "es",
          "value": "channels/chan_iax2.c en Asterisk Open Source v1.8.x antes de v1.8.15.1 y v10.x antes de v10.7.1, Certified Asterisk v1.8.11-1.8.11 antes de cert7, Digiumphones Asterisk v10.xx-digiumphones antes de v10.7.1-digiumphones y Asterisk Business Edition C.3.x antes de C.3.7.6 no hace cumplir las reglas de ACL durante ciertos usos del par de credenciales, lo que permite a usuarios remotos autenticados eludir las restricciones de llamadas de salida aprovech\u00e1ndose de la disponibilidad de estas credenciales.\r\n"
        }
      ],
      "id": "CVE-2012-4737",
      "lastModified": "2024-11-21T01:43:26.073",
      "metrics": {
        "cvssMetricV2": [
          {
            "acInsufInfo": false,
            "baseSeverity": "MEDIUM",
            "cvssData": {
              "accessComplexity": "MEDIUM",
              "accessVector": "NETWORK",
              "authentication": "SINGLE",
              "availabilityImpact": "PARTIAL",
              "baseScore": 6.0,
              "confidentialityImpact": "PARTIAL",
              "integrityImpact": "PARTIAL",
              "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:P",
              "version": "2.0"
            },
            "exploitabilityScore": 6.8,
            "impactScore": 6.4,
            "obtainAllPrivilege": false,
            "obtainOtherPrivilege": false,
            "obtainUserPrivilege": false,
            "source": "nvd@nist.gov",
            "type": "Primary",
            "userInteractionRequired": false
          }
        ]
      },
      "published": "2012-08-31T14:55:01.387",
      "references": [
        {
          "source": "cve@mitre.org",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "http://downloads.asterisk.org/pub/security/AST-2012-013.html"
        },
        {
          "source": "cve@mitre.org",
          "url": "http://secunia.com/advisories/50687"
        },
        {
          "source": "cve@mitre.org",
          "url": "http://secunia.com/advisories/50756"
        },
        {
          "source": "cve@mitre.org",
          "url": "http://www.debian.org/security/2012/dsa-2550"
        },
        {
          "source": "cve@mitre.org",
          "url": "http://www.securityfocus.com/bid/55335"
        },
        {
          "source": "cve@mitre.org",
          "url": "http://www.securitytracker.com/id?1027461"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
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          "url": "http://downloads.asterisk.org/pub/security/AST-2012-013.html"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "http://secunia.com/advisories/50687"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "http://secunia.com/advisories/50756"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "http://www.debian.org/security/2012/dsa-2550"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "http://www.securityfocus.com/bid/55335"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "http://www.securitytracker.com/id?1027461"
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      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": [
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          "description": [
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              "lang": "en",
              "value": "CWE-264"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
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      ]
    },
    "nvd": {
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        "descriptions": [
          {
            "lang": "en",
            "value": "channels/chan_iax2.c in Asterisk Open Source 1.8.x before 1.8.15.1 and 10.x before 10.7.1, Certified Asterisk 1.8.11 before 1.8.11-cert7, Asterisk Digiumphones 10.x.x-digiumphones before 10.7.1-digiumphones, and Asterisk Business Edition C.3.x before C.3.7.6 does not enforce ACL rules during certain uses of peer credentials, which allows remote authenticated users to bypass intended outbound-call restrictions by leveraging the availability of these credentials."
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            "lang": "es",
            "value": "channels/chan_iax2.c en Asterisk Open Source v1.8.x antes de v1.8.15.1 y v10.x antes de v10.7.1, Certified Asterisk v1.8.11-1.8.11 antes de cert7, Digiumphones Asterisk v10.xx-digiumphones antes de v10.7.1-digiumphones y Asterisk Business Edition C.3.x antes de C.3.7.6 no hace cumplir las reglas de ACL durante ciertos usos del par de credenciales, lo que permite a usuarios remotos autenticados eludir las restricciones de llamadas de salida aprovech\u00e1ndose de la disponibilidad de estas credenciales.\r\n"
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        "id": "CVE-2012-4737",
        "lastModified": "2026-04-29T01:13:23.040",
        "metrics": {
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              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
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                "accessVector": "NETWORK",
                "authentication": "SINGLE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 6.0,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:P",
                "version": "2.0"
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              "exploitabilityScore": 6.8,
              "impactScore": 6.4,
              "obtainAllPrivilege": false,
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              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
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        "published": "2012-08-31T14:55:01.387",
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            "source": "cve@mitre.org",
            "tags": [
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            "url": "http://downloads.asterisk.org/pub/security/AST-2012-013.html"
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            "url": "http://secunia.com/advisories/50687"
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          },
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            "source": "cve@mitre.org",
            "url": "http://www.debian.org/security/2012/dsa-2550"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://www.securityfocus.com/bid/55335"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://www.securitytracker.com/id?1027461"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://downloads.asterisk.org/pub/security/AST-2012-013.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/50687"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/50756"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.debian.org/security/2012/dsa-2550"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/bid/55335"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securitytracker.com/id?1027461"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-264"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2025-11-21T12:50:56+00:00",
      "cve": "CVE-2012-4737",
      "id": "CVE-2012-4737",
      "initial_release_date": "2012-08-30T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Asterisk: ACL rules ignored when placing outbound calls by certain IAX2 users",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2012/cve-2012-4737.json",
      "version": "3"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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