{ "id": "CVE-2019-9719", "sourceIdentifier": "cve@mitre.org", "published": "2019-09-19T21:15:10.503", "lastModified": "2024-11-21T04:52:10.293", "vulnStatus": "Modified", "cveTags": [ { "sourceIdentifier": "cve@mitre.org", "tags": [ "disputed" ] } ], "descriptions": [ { "lang": "en", "value": "A stack-based buffer overflow in the subtitle decoder in Libav 12.3 allows attackers to corrupt the stack via a crafted video file in Matroska format, because srt_to_ass in libavcodec/srtdec.c misuses snprintf. NOTE: Third parties dispute that this is a vulnerability because \u201cno evidence of a vulnerability is provided\u201d and only \u201ca generic warning from a static code analysis\u201d is provided" }, { "lang": "es", "value": "** EN DISPUTA ** Un desbordamiento de b\u00fafer basado en pila en el decodificador de subt\u00edtulos en Libav 12.3 permite a los atacantes corromper la pila a trav\u00e9s de un archivo de video especialmente dise\u00f1ado en formato Matroska, porque srt_to_ass en libavcodec / srtdec.c usa mal snprintf. NOTA: Los terceros discuten que esto es una vulnerabilidad porque \"no se proporciona evidencia de una vulnerabilidad\" y solo se proporciona \"una advertencia gen\u00e9rica de un an\u00e1lisis de c\u00f3digo est\u00e1tico\"." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH" }, "exploitabilityScore": 2.8, "impactScore": 5.9 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "baseScore": 6.8, "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL" }, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.6, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-787" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:libav:libav:*:*:*:*:*:*:*:*", "versionEndIncluding": "12.3", "matchCriteriaId": "13D267B7-CF5C-4C69-9E61-2F793B918C82" } ] } ] } ], "references": [ { "url": "https://github.com/libav/libav/blob/df744e3cf66548c9167ea857104a29d2ea92819e/libavcodec/srtdec.c#L113", "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ] }, { "url": "https://github.com/libav/libav/commits/master/libavcodec/srtdec.c", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://lgtm.com/projects/g/libav/libav/snapshot/f5f553ca3bdca0c97dd08bbf002f0d8cb193788b/files/libavcodec/srtdec.c?sort=name&dir=ASC&mode=heatmap#xeec693aa6d85853b:1", "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ] }, { "url": "https://lgtm.com/security/", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://github.com/libav/libav/blob/df744e3cf66548c9167ea857104a29d2ea92819e/libavcodec/srtdec.c#L113", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ] }, { "url": "https://github.com/libav/libav/commits/master/libavcodec/srtdec.c", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] }, { "url": "https://lgtm.com/projects/g/libav/libav/snapshot/f5f553ca3bdca0c97dd08bbf002f0d8cb193788b/files/libavcodec/srtdec.c?sort=name&dir=ASC&mode=heatmap#xeec693aa6d85853b:1", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ] }, { "url": "https://lgtm.com/security/", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] } ] }