CVE-2019-3971

{"id": "CVE-2019-3971", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 2.1, "accessVector": "LOCAL", "vectorString": "AV:L/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": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2019-07-17T21:15:12.657", "references": [{"url": "https://www.tenable.com/security/research/tra-2019-34", "tags": ["Exploit", "Third Party Advisory"], "source": "vulnreport@tenable.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "Comodo Antivirus versions up to 12.0.0.6810 are vulnerable to a local Denial of Service affecting CmdVirth.exe via its LPC port \"cmdvrtLPCServerPort\". A low privileged local process can connect to this port and send an LPC_DATAGRAM, which triggers an Access Violation due to hardcoded NULLs used for Source parameter in a memcpy operation that is called for this handler. This results in CmdVirth.exe and its child svchost.exe instances to terminate."}, {"lang": "es", "value": "Comodo Antivirus versiones hasta la 12.0.0.6810 y anteriores, son vulnerables a una Denegaci\u00f3n de Servicio local que afecta al archivo CmdVirth.exe por medio de su puerto LPC \"cmdvrtLPCServerPort\". Un proceso local poco privilegiado puede conectarse a este puerto y enviar un LPC_DATAGRAM, que activa una Violaci\u00f3n de Acceso debido a NULLs embebidos en el disco duro utilizados por el par\u00e1metro Source en una operaci\u00f3n memcpy que es llamada por este controlador. Esto resulta en finalicen las instancias del archivo CmdVirth.exe y su secundario svchost.exe."}], "lastModified": "2020-08-24T17:37:01.140", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:comodo:antivirus:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EA5A70E5-7206-41FE-8EA1-4BD6E935E882", "versionEndIncluding": "12.0.0.6810"}], "operator": "OR"}]}], "sourceIdentifier": "vulnreport@tenable.com"}