{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2022-26387", "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "assignerShortName": "mozilla", "dateUpdated": "2022-12-22T00:00:00", "dateReserved": "2022-03-03T00:00:00", "datePublished": "2022-12-22T00:00:00"}, "containers": {"cna": {"providerMetadata": {"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla", "dateUpdated": "2022-12-22T00:00:00"}, "descriptions": [{"lang": "en", "value": "When installing an add-on, Firefox verified the signature before prompting the user; but while the user was confirming the prompt, the underlying add-on file could have been modified and Firefox would not have noticed. This vulnerability affects Firefox < 98, Firefox ESR < 91.7, and Thunderbird < 91.7."}], "affected": [{"vendor": "Mozilla", "product": "Firefox", "versions": [{"version": "unspecified", "lessThan": "98", "status": "affected", "versionType": "custom"}]}, {"vendor": "Mozilla", "product": "Firefox ESR", "versions": [{"version": "unspecified", "lessThan": "91.7", "status": "affected", "versionType": "custom"}]}, {"vendor": "Mozilla", "product": "Thunderbird", "versions": [{"version": "unspecified", "lessThan": "91.7", "status": "affected", "versionType": "custom"}]}], "references": [{"url": "https://www.mozilla.org/security/advisories/mfsa2022-12/"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2022-10/"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2022-11/"}, {"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1752979"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "Time-of-check time-of-use bug when verifying add-on signatures"}]}]}}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "matchCriteriaId": "43B912E3-7770-4946-8AAD-ED9055634619", "versionEndExcluding": "98.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*", "matchCriteriaId": "B306104D-CFD1-4902-9E12-FF42123BB278", "versionEndExcluding": "91.7", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", "matchCriteriaId": "9345E361-5C90-453D-83B6-220E6351C8AE", "versionEndExcluding": "91.7", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "When installing an add-on, Firefox verified the signature before prompting the user; but while the user was confirming the prompt, the underlying add-on file could have been modified and Firefox would not have noticed. This vulnerability affects Firefox < 98, Firefox ESR < 91.7, and Thunderbird < 91.7."}, {"lang": "es", "value": "Al instalar un complemento, Firefox verificaba la firma antes de avisar al usuario; pero mientras el usuario confirmaba el mensaje, el archivo complementario subyacente podr\u00eda haberse modificado y Firefox no se habr\u00eda dado cuenta. Esta vulnerabilidad afecta a Firefox &lt; 98, Firefox ESR &lt; 91,7 y Thunderbird &lt; 91.7."}], "id": "CVE-2022-26387", "lastModified": "2022-12-30T16:04:18.480", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-12-22T20:15:22.340", "references": [{"source": "security@mozilla.org", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1752979"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2022-10/"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2022-11/"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2022-12/"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-367"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}