FKIE_CVE-2012-4643

Vulnerability from fkie_nvd - Published: 2012-10-29 20:55 - Updated: 2025-04-11 00:51
Severity ?
Summary
The DHCP server on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco Catalyst 6500 series devices, with software 7.0 before 7.2(5.8), 7.1 before 7.2(5.8), 7.2 before 7.2(5.8), 8.0 before 8.0(5.28), 8.1 before 8.1(2.56), 8.2 before 8.2(5.27), 8.3 before 8.3(2.31), 8.4 before 8.4(3.10), 8.5 before 8.5(1.9), and 8.6 before 8.6(1.5) does not properly allocate memory for DHCP packets, which allows remote attackers to cause a denial of service (device reload) via a series of crafted IPv4 packets, aka Bug ID CSCtw84068.
References
psirt@cisco.comhttp://osvdb.org/86145
psirt@cisco.comhttp://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20121010-asaVendor Advisory
psirt@cisco.comhttp://www.securityfocus.com/bid/55861
af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/86145
af854a3a-2127-422b-91ae-364da2661108http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20121010-asaVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/55861
Impacted products
Vendor Product Version
cisco adaptive_security_appliance_software 7.0
cisco adaptive_security_appliance_software 7.0\(0\)
cisco adaptive_security_appliance_software 7.0\(1\)
cisco adaptive_security_appliance_software 7.0\(2\)
cisco adaptive_security_appliance_software 7.0\(4\)
cisco adaptive_security_appliance_software 7.0\(5\)
cisco adaptive_security_appliance_software 7.0\(5.2\)
cisco adaptive_security_appliance_software 7.1
cisco adaptive_security_appliance_software 7.1\(2\)
cisco adaptive_security_appliance_software 7.1\(2.5\)
cisco adaptive_security_appliance_software 7.1\(2.27\)
cisco adaptive_security_appliance_software 7.1\(2.48\)
cisco adaptive_security_appliance_software 7.1\(2.49\)
cisco adaptive_security_appliance_software 7.1\(5\)
cisco adaptive_security_appliance_software 7.2
cisco adaptive_security_appliance_software 7.2\(1\)
cisco adaptive_security_appliance_software 7.2\(1.22\)
cisco adaptive_security_appliance_software 7.2\(2\)
cisco adaptive_security_appliance_software 7.2\(2.5\)
cisco adaptive_security_appliance_software 7.2\(2.7\)
cisco adaptive_security_appliance_software 7.2\(2.8\)
cisco adaptive_security_appliance_software 7.2\(2.10\)
cisco adaptive_security_appliance_software 7.2\(2.14\)
cisco adaptive_security_appliance_software 7.2\(2.15\)
cisco adaptive_security_appliance_software 7.2\(2.16\)
cisco adaptive_security_appliance_software 7.2\(2.17\)
cisco adaptive_security_appliance_software 7.2\(2.18\)
cisco adaptive_security_appliance_software 7.2\(2.19\)
cisco adaptive_security_appliance_software 7.2\(2.48\)
cisco adaptive_security_appliance_software 7.2\(3\)
cisco adaptive_security_appliance_software 7.2\(4\)
cisco adaptive_security_appliance_software 7.2\(5\)
cisco adaptive_security_appliance_software 8.0
cisco adaptive_security_appliance_software 8.0\(2\)
cisco adaptive_security_appliance_software 8.0\(3\)
cisco adaptive_security_appliance_software 8.0\(4\)
cisco adaptive_security_appliance_software 8.0\(5\)
cisco adaptive_security_appliance_software 8.1
cisco adaptive_security_appliance_software 8.2
cisco adaptive_security_appliance_software 8.2\(1\)
cisco adaptive_security_appliance_software 8.2\(2\)
cisco adaptive_security_appliance_software 8.2\(3\)
cisco adaptive_security_appliance_software 8.2\(3.9\)
cisco adaptive_security_appliance_software 8.2\(4\)
cisco adaptive_security_appliance_software 8.2\(4.1\)
cisco adaptive_security_appliance_software 8.2\(4.4\)
cisco adaptive_security_appliance_software 8.2\(5\)
cisco adaptive_security_appliance_software 8.3\(1\)
cisco adaptive_security_appliance_software 8.3\(2\)
cisco adaptive_security_appliance_software 8.4
cisco adaptive_security_appliance_software 8.4\(1\)
cisco adaptive_security_appliance_software 8.4\(1.11\)
cisco adaptive_security_appliance_software 8.4\(2\)
cisco adaptive_security_appliance_software 8.4\(2.11\)
cisco adaptive_security_appliance_software 8.5
cisco adaptive_security_appliance_software 8.5\(1\)
cisco adaptive_security_appliance_software 8.5\(1.4\)
cisco adaptive_security_appliance_software 8.6
cisco adaptive_security_appliance_software 8.6\(1\)
cisco 5500_series_adaptive_security_appliance *
cisco catalyst_6500 *
cisco catalyst_6503-e -
cisco catalyst_6504-e -
cisco catalyst_6506-e -
cisco catalyst_6509-e -
cisco catalyst_6509-neb-a -
cisco catalyst_6509-v-e -
cisco catalyst_6513 -
cisco catalyst_6513-e -
To clipboard 

{
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            {
              "criteria": "cpe:2.3:h:cisco:catalyst_6509-neb-a:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "E628F9C4-98C6-4A95-AF81-F1E6A56E8648",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:h:cisco:catalyst_6509-v-e:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "4AFF899C-1EB3-46D8-9003-EA36A68C90B3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:h:cisco:catalyst_6513:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "E6463491-F63E-44CB-A1D4-C029BE7D3D3D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:h:cisco:catalyst_6513-e:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "D8668D34-096B-4FC3-B9B1-0ECFD6265778",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The DHCP server on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco Catalyst 6500 series devices, with software 7.0 before 7.2(5.8), 7.1 before 7.2(5.8), 7.2 before 7.2(5.8), 8.0 before 8.0(5.28), 8.1 before 8.1(2.56), 8.2 before 8.2(5.27), 8.3 before 8.3(2.31), 8.4 before 8.4(3.10), 8.5 before 8.5(1.9), and 8.6 before 8.6(1.5) does not properly allocate memory for DHCP packets, which allows remote attackers to cause a denial of service (device reload) via a series of crafted IPv4 packets, aka Bug ID CSCtw84068."
    },
    {
      "lang": "es",
      "value": "El servidor DHCP en dispositivos Cisco de las series Adaptive Security Appliances (ASA) 5500, y ASA Services Module (ASASM) en dispositivos Cisco de la serie Catalyst 6500, con software v7.0 anterior a v7.2(5.8), v7.1 anterior a v7.2(5.8), v7.2 anterior a v7.2(5.8), v8.0 anterior a v8.0(5.28), v8.1 anterior a v8.1(2.56), v8.2 anterior a v8.2(5.27), v8.3 anterior a v8.3(2.31), v8.4 anterior a v8.4(3.10), v8.5 anterior a v8.5(1.9), y v8.6 anterior a v8.6(1.5) no posiciona en memoria de forma adecuada los paquetes DHCP, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio (recarga de dispositivo) a trav\u00e9s de una serie de paquetes IPv4 manipulados, tambi\u00e9n conocido como Bus ID CSCtw84068."
    }
  ],
  "id": "CVE-2012-4643",
  "lastModified": "2025-04-11T00:51:21.963",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.1,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2012-10-29T20:55:01.103",
  "references": [
    {
      "source": "psirt@cisco.com",
      "url": "http://osvdb.org/86145"
    },
    {
      "source": "psirt@cisco.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20121010-asa"
    },
    {
      "source": "psirt@cisco.com",
      "url": "http://www.securityfocus.com/bid/55861"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://osvdb.org/86145"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20121010-asa"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/55861"
    }
  ],
  "sourceIdentifier": "psirt@cisco.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Sightings

Author Source Type Date

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.



Detection rules are retrieved from Rulezet.