CVE-2017-12311

{"id": "CVE-2017-12311", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.0", "baseScore": 5.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "published": "2017-11-16T07:29:00.600", "references": [{"url": "http://www.securityfocus.com/bid/101855", "tags": ["Third Party Advisory", "VDB Entry"], "source": "ykramarz@cisco.com"}, {"url": "http://www.securitytracker.com/id/1039827", "tags": ["Third Party Advisory", "VDB Entry"], "source": "ykramarz@cisco.com"}, {"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171115-cms", "tags": ["Vendor Advisory"], "source": "ykramarz@cisco.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}, {"type": "Secondary", "source": "ykramarz@cisco.com", "description": [{"lang": "en", "value": "CWE-399"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability in the H.264 decoder function of Cisco Meeting Server could allow an unauthenticated, remote attacker to cause a Cisco Meeting Server media process to restart unexpectedly when it receives an illegal H.264 frame. The vulnerability is triggered by an H.264 frame that has an invalid picture parameter set (PPS) value. An attacker could exploit this vulnerability by sending a malformed H.264 frame to the targeted device. An exploit could allow the attacker to cause a denial of service (DoS) condition because the media process could restart. The media session should be re-established within a few seconds, during which there could be a brief interruption in service. Cisco Bug IDs: CSCvg12559."}, {"lang": "es", "value": "La funci\u00f3n de descodificaci\u00f3n H.264 de Cisco Meeting Server podr\u00eda permitir que un atacante remoto sin autenticar provoque que un proceso multimedia de Cisco Meeting Server se reinicie de forma inesperada cuando recibe una tramaH.264 ilegal. Esta vulnerabilidad es desencadenada por una trama H.264 que tiene un valor de PPS (picture parameter set) inv\u00e1lido. Un atacante podr\u00eda explotar esta vulnerabilidad enviando una trama H.264 mal formada al dispositivo afectado. Su explotaci\u00f3n podr\u00eda permitir a un atacante provocar una denegaci\u00f3n de servicio por el reinicio inesperado del proceso multimedia. La sesi\u00f3n multimedia deber\u00eda restablecerse en unos pocos segundos, durante los cuales podr\u00eda haber una breve interrupci\u00f3n del servicio. Cisco Bug IDs: CSCvg12559."}], "lastModified": "2019-10-09T23:22:55.653", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:cisco:meeting_server:2.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EB0F4CF7-87D8-43D2-9C66-717A2939C374"}, {"criteria": "cpe:2.3:a:cisco:meeting_server:2.1.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B310B39B-7D5D-4533-9FE6-5F47985E35B0"}, {"criteria": "cpe:2.3:a:cisco:meeting_server:2.2.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E377BED5-DC33-44C4-A75E-73971A13C211"}, {"criteria": "cpe:2.3:a:cisco:meeting_server:2.3.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7D90BAA6-4623-4AFB-B0D0-14CD2CDB6968"}], "operator": "OR"}]}], "sourceIdentifier": "ykramarz@cisco.com"}