{ "id": "CVE-2011-2665", "sourceIdentifier": "cve@mitre.org", "published": "2011-07-06T19:55:03.590", "lastModified": "2011-09-07T03:17:44.503", "vulnStatus": "Modified", "evaluatorComment": "Per: http://cwe.mitre.org/data/definitions/476.html\r\n'CWE-476: NULL Pointer Dereference'", "descriptions": [ { "lang": "en", "value": "reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.3 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a SIP packet with a Contact header that lacks a < (less than) character." }, { "lang": "es", "value": "reqresp_parser.c en el controlador de canal SIP en Asterisk Open Source v1.8.x anteriores a v1.8.4.3 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (desreferencia a puntero NULL y ca\u00edda del demonio) a trav\u00e9s de un paquete SIP con una cabecera Contact que carece de un car\u00e1cter < (menos que)." } ], "metrics": { "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 10.0, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "NVD-CWE-Other" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.0:*:*:*:*:*:*:*", "matchCriteriaId": "F6344E43-E8AA-4340-B3A7-72F5D6A5D184" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.0:beta1:*:*:*:*:*:*", "matchCriteriaId": "4C170C1C-909D-4439-91B5-DB1A9CD150C9" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.0:beta2:*:*:*:*:*:*", "matchCriteriaId": "EE821BE5-B1D3-4854-A700-3A83E5F15724" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.0:beta3:*:*:*:*:*:*", "matchCriteriaId": "149C57CA-0B4B-4220-87FC-432418D1C393" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.0:beta4:*:*:*:*:*:*", "matchCriteriaId": "035595D5-BBEC-4D85-AD7A-A2C932D2BA70" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.0:beta5:*:*:*:*:*:*", "matchCriteriaId": "6DAF5655-F09F-47F8-AFA6-4B95F77A57F8" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.0:rc2:*:*:*:*:*:*", "matchCriteriaId": "F8E001D8-0A7B-4FDD-88E3-E124ED32B81C" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.0:rc3:*:*:*:*:*:*", "matchCriteriaId": "9D5CFFBD-785F-4417-A54A-F3565FD6E736" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.0:rc4:*:*:*:*:*:*", "matchCriteriaId": "D30EF999-92D1-4B19-8E32-1E4B35DE4EA1" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.0:rc5:*:*:*:*:*:*", "matchCriteriaId": "A67D156B-9C43-444F-ADEC-B21D99D1433C" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.1:*:*:*:*:*:*:*", "matchCriteriaId": "893EB152-6444-43DB-8714-9735354C873A" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.1:rc1:*:*:*:*:*:*", "matchCriteriaId": "F8447EE7-A834-41D7-9204-07BD3752870C" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.1.1:*:*:*:*:*:*:*", "matchCriteriaId": "3C04F2C9-5672-42F2-B664-A3EE4C954C29" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.1.2:*:*:*:*:*:*:*", "matchCriteriaId": "33465668-4C91-4619-960A-D26D77853E53" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.2:*:*:*:*:*:*:*", "matchCriteriaId": "CAD08674-0B44-44EA-940B-6812E2D5077D" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.2.1:*:*:*:*:*:*:*", "matchCriteriaId": "EEE87710-A129-43AA-BA08-8001848975FE" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.2.2:*:*:*:*:*:*:*", "matchCriteriaId": "8F582C6E-5DA0-4D72-A40E-66BDBC5CF2B7" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.2.3:*:*:*:*:*:*:*", "matchCriteriaId": "2E7CEBB8-01B3-4A05-AFE8-37A143C9833E" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.2.4:*:*:*:*:*:*:*", "matchCriteriaId": "522733A7-E89E-4BFD-AC93-D6882636E880" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.3:*:*:*:*:*:*:*", "matchCriteriaId": "2FAC47DD-B613-43E4-B9BF-6120B81D9789" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.3:rc1:*:*:*:*:*:*", "matchCriteriaId": "86D20CB5-60E8-405E-B387-CF80C7DA5E07" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.3:rc2:*:*:*:*:*:*", "matchCriteriaId": "71AB5A01-5961-4053-9111-CF32C6473A00" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.3:rc3:*:*:*:*:*:*", "matchCriteriaId": "77D8E1DC-041F-4B87-AF9A-E0EC4D6A4BD8" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.3.1:*:*:*:*:*:*:*", "matchCriteriaId": "7CCCB892-30CE-4BEF-904E-5D957F94D0EB" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.3.2:*:*:*:*:*:*:*", "matchCriteriaId": "F156798F-F2EF-4366-B17E-03165AB437D5" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.3.3:*:*:*:*:*:*:*", "matchCriteriaId": "9EFBB9A6-DD1D-436E-919F-74A3E4F40396" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.4:*:*:*:*:*:*:*", "matchCriteriaId": "054E34C8-B6A5-48C7-938E-D3C268E0E8BB" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.4:rc1:*:*:*:*:*:*", "matchCriteriaId": "1DCECA72-533A-4A95-AB19-20C5F09A1B01" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.4:rc2:*:*:*:*:*:*", "matchCriteriaId": "0E2309F8-AFEE-4150-99D1-BA606432ED73" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.4:rc3:*:*:*:*:*:*", "matchCriteriaId": "7785F282-BFA0-400A-8398-872ACCA4BF37" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.4.1:*:*:*:*:*:*:*", "matchCriteriaId": "1278D3FB-78C6-4F7D-A845-0A93D4F6E2B2" }, { "vulnerable": true, "criteria": "cpe:2.3:a:digium:asterisk:1.8.4.2:*:*:*:*:*:*:*", "matchCriteriaId": "C00A6EFB-A848-46D3-AAD7-FD8140007E42" } ] } ] } ], "references": [ { "url": "http://downloads.asterisk.org/pub/security/AST-2011-009-1.8.diff", "source": "cve@mitre.org", "tags": [ "Patch" ] }, { "url": "http://downloads.asterisk.org/pub/security/AST-2011-009.html", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] }, { "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062628.html", "source": "cve@mitre.org" }, { "url": "http://www.debian.org/security/2011/dsa-2276", "source": "cve@mitre.org" } ] }