{ "id": "CVE-2022-31742", "sourceIdentifier": "security@mozilla.org", "published": "2022-12-22T20:15:29.277", "lastModified": "2025-04-15T19:15:58.717", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "An attacker could have exploited a timing attack by sending a large number of allowCredential entries and detecting the difference between invalid key handles and cross-origin key handles. This could have led to cross-origin account linking in violation of WebAuthn goals. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10." }, { "lang": "es", "value": "Un atacante podr\u00eda haber aprovechado un ataque de sincronizaci\u00f3n enviando una gran cantidad de entradas allowCredential y detectando la diferencia entre identificadores de claves no v\u00e1lidas y identificadores de claves de origen cruzado. Esto podr\u00eda haber llevado a la vinculaci\u00f3n de cuentas entre or\u00edgenes en violaci\u00f3n de los objetivos de WebAuthn. Esta vulnerabilidad afecta a Thunderbird < 91.10, Firefox < 101 y Firefox ESR < 91.10." } ], "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:N/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE" }, "exploitabilityScore": 2.8, "impactScore": 3.6 }, { "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE" }, "exploitabilityScore": 2.8, "impactScore": 3.6 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "NVD-CWE-noinfo" } ] }, { "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-203" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "versionEndExcluding": "101", "matchCriteriaId": "CF017812-42B9-4EB1-8F83-8B9712529D2F" }, { "vulnerable": true, "criteria": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*", "versionEndExcluding": "91.10", "matchCriteriaId": "4A30F8BF-AE74-4F4D-A80A-F924AA128DE5" }, { "vulnerable": true, "criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", "versionEndExcluding": "91.10", "matchCriteriaId": "4A62DB30-D938-4ADD-BF43-9BBC56A6B8C0" } ] } ] } ], "references": [ { "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1730434", "source": "security@mozilla.org", "tags": [ "Issue Tracking", "Permissions Required", "Vendor Advisory" ] }, { "url": "https://www.mozilla.org/security/advisories/mfsa2022-20/", "source": "security@mozilla.org", "tags": [ "Vendor Advisory" ] }, { "url": "https://www.mozilla.org/security/advisories/mfsa2022-21/", "source": "security@mozilla.org", "tags": [ "Vendor Advisory" ] }, { "url": "https://www.mozilla.org/security/advisories/mfsa2022-22/", "source": "security@mozilla.org", "tags": [ "Vendor Advisory" ] }, { "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1730434", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Issue Tracking", "Permissions Required", "Vendor Advisory" ] }, { "url": "https://www.mozilla.org/security/advisories/mfsa2022-20/", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ] }, { "url": "https://www.mozilla.org/security/advisories/mfsa2022-21/", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ] }, { "url": "https://www.mozilla.org/security/advisories/mfsa2022-22/", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ] }, { "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1730434", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": [ "Issue Tracking", "Permissions Required", "Vendor Advisory" ] } ] }