CVE-2019-3971

{"containers": {"cna": {"affected": [{"product": "Comodo Antivirus", "vendor": "n/a", "versions": [{"status": "affected", "version": "Versions 12.0.0.6810 and below"}]}], "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."}], "problemTypes": [{"descriptions": [{"description": "Denial of Service", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2019-07-17T20:35:01.000Z", "orgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "shortName": "tenable"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.tenable.com/security/research/tra-2019-34"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vulnreport@tenable.com", "ID": "CVE-2019-3971", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Comodo Antivirus", "version": {"version_data": [{"version_value": "Versions 12.0.0.6810 and below"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Denial of Service"}]}]}, "references": {"reference_data": [{"name": "https://www.tenable.com/security/research/tra-2019-34", "refsource": "MISC", "url": "https://www.tenable.com/security/research/tra-2019-34"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T19:26:27.555Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.tenable.com/security/research/tra-2019-34"}]}]}, "cveMetadata": {"assignerOrgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "assignerShortName": "tenable", "cveId": "CVE-2019-3971", "datePublished": "2019-07-17T20:35:01.000Z", "dateReserved": "2019-01-03T00:00:00.000Z", "dateUpdated": "2024-08-04T19:26:27.555Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Comodo Antivirus", "vendor": "n/a", "versions": [{"status": "affected", "version": "Versions 12.0.0.6810 and below"}]}], "source": "vulnreport@tenable.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:comodo:antivirus:*:*:*:*:*:*:*:*", "matchCriteriaId": "EA5A70E5-7206-41FE-8EA1-4BD6E935E882", "versionEndIncluding": "12.0.0.6810", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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."}], "id": "CVE-2019-3971", "lastModified": "2026-06-17T02:35:58.527", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 2.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-07-17T21:15:12.657", "references": [{"source": "vulnreport@tenable.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.tenable.com/security/research/tra-2019-34"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.tenable.com/security/research/tra-2019-34"}], "sourceIdentifier": "vulnreport@tenable.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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