{ "id": "CVE-2021-45385", "sourceIdentifier": "cve@mitre.org", "published": "2022-02-11T16:15:08.793", "lastModified": "2022-02-18T18:36:52.823", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "A Null Pointer Dereference vulnerability exits in ffjpeg d5cfd49 (2021-12-06) in bmp_load(). When the size information in metadata of the bmp is out of range, it returns without assign memory buffer to `pb->pdata` and did not exit the program. So the program crashes when it tries to access the pb->data, in jfif_encode() at jfif.c:763. This is due to the incomplete patch for CVE-2020-13438." }, { "lang": "es", "value": "Se presenta una vulnerabilidad de desreferencia de puntero Null en ffjpeg versi\u00f3n d5cfd49 (06-12-2021) en la funci\u00f3n bmp_load(). Cuando la informaci\u00f3n del tama\u00f1o en los metadatos del bmp est\u00e1 fuera de rango, devuelve sin asignar memoria intermedia a \"pb-)pdata\" y no sale del programa. As\u00ed que el programa es bloqueado cuando intenta acceder a pb-)data, en jfif_encode() en jfif.c:763. Esto es debido al parche incompleto para CVE-2020-13438" } ], "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:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 2.8, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.6, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-476" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:ffjpeg_project:ffjpeg:2021-12-06:*:*:*:*:*:*:*", "matchCriteriaId": "84DA4855-36BD-4CE8-9BF5-5B38C673EA43" } ] } ] } ], "references": [ { "url": "https://github.com/rockcarry/ffjpeg/issues/47", "source": "cve@mitre.org", "tags": [ "Exploit", "Issue Tracking", "Third Party Advisory" ] }, { "url": "https://github.com/rockcarry/ffjpeg/pull/48", "source": "cve@mitre.org", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ] } ] }