{ "id": "CVE-2020-6795", "sourceIdentifier": "security@mozilla.org", "published": "2020-03-02T05:15:12.353", "lastModified": "2020-03-14T19:15:24.023", "vulnStatus": "Modified", "descriptions": [ { "lang": "en", "value": "When processing a message that contains multiple S/MIME signatures, a bug in the MIME processing code caused a null pointer dereference, leading to an unexploitable crash. This vulnerability affects Thunderbird < 68.5." }, { "lang": "es", "value": "Cuando se procesa un mensaje que contiene m\u00faltiples firmas S/MIME, un bug en el c\u00f3digo de procesamiento de MIME caus\u00f3 una desreferencia de puntero null, conllevando a un bloqueo sin explotar. Esta vulnerabilidad afecta a Thunderbird versiones anteriores a 68.5." } ], "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:mozilla:thunderbird:*:*:*:*:*:*:*:*", "versionEndExcluding": "68.5.0", "matchCriteriaId": "BED2E060-4B8C-403F-B1E9-D45E2511D1CA" } ] } ] } ], "references": [ { "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1611105", "source": "security@mozilla.org", "tags": [ "Permissions Required" ] }, { "url": "https://security.gentoo.org/glsa/202003-10", "source": "security@mozilla.org" }, { "url": "https://usn.ubuntu.com/4328-1/", "source": "security@mozilla.org" }, { "url": "https://usn.ubuntu.com/4335-1/", "source": "security@mozilla.org" }, { "url": "https://www.mozilla.org/security/advisories/mfsa2020-07/", "source": "security@mozilla.org", "tags": [ "Vendor Advisory" ] } ] }