CVE-2022-31742

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{"affected": [{"affectedData": [{"product": "Thunderbird", "vendor": "Mozilla", "versions": [{"lessThan": "91.10", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Firefox", "vendor": "Mozilla", "versions": [{"lessThan": "101", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Firefox ESR", "vendor": "Mozilla", "versions": [{"lessThan": "91.10", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@mozilla.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "matchCriteriaId": "CF017812-42B9-4EB1-8F83-8B9712529D2F", "versionEndExcluding": "101", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*", "matchCriteriaId": "4A30F8BF-AE74-4F4D-A80A-F924AA128DE5", "versionEndExcluding": "91.10", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", "matchCriteriaId": "4A62DB30-D938-4ADD-BF43-9BBC56A6B8C0", "versionEndExcluding": "91.10", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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 &lt; 91.10, Firefox &lt; 101 y Firefox ESR &lt; 91.10."}], "id": "CVE-2022-31742", "lastModified": "2026-06-17T04:46:12.000", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-31742", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-04-15T18:36:32.270819Z", "version": "2.0.3"}}]}, "published": "2022-12-22T20:15:29.277", "references": [{"source": "security@mozilla.org", "tags": ["Issue Tracking", "Permissions Required", "Vendor Advisory"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1730434"}, {"source": "security@mozilla.org", "tags": ["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": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Permissions Required", "Vendor Advisory"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1730434"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Issue Tracking", "Permissions Required", "Vendor Advisory"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1730434"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-203"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2022:4870", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "firefox-0:91.10.0-1.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2022-06-01T00:00:00Z"}, {"advisory": "RHSA-2022:4891", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "thunderbird-0:91.10.0-1.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2022-06-03T00:00:00Z"}, {"advisory": "RHSA-2022:4872", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "firefox-0:91.10.0-1.el8_6", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-06-01T00:00:00Z"}, {"advisory": "RHSA-2022:4887", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "thunderbird-0:91.10.0-1.el8_6", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-06-03T00:00:00Z"}, {"advisory": "RHSA-2022:4871", "cpe": "cpe:/a:redhat:rhel_e4s:8.1", "package": "firefox-0:91.10.0-1.el8_1", "product_name": "Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions", "release_date": "2022-06-01T00:00:00Z"}, {"advisory": "RHSA-2022:4888", "cpe": "cpe:/a:redhat:rhel_e4s:8.1", "package": "thunderbird-0:91.10.0-1.el8_1", "product_name": "Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions", "release_date": "2022-06-03T00:00:00Z"}, {"advisory": "RHSA-2022:4876", "cpe": "cpe:/a:redhat:rhel_eus:8.2", "package": "firefox-0:91.10.0-1.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Extended Update Support", "release_date": "2022-06-01T00:00:00Z"}, {"advisory": "RHSA-2022:4890", "cpe": "cpe:/a:redhat:rhel_eus:8.2", "package": "thunderbird-0:91.10.0-1.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Extended Update Support", "release_date": "2022-06-03T00:00:00Z"}, {"advisory": "RHSA-2022:4875", "cpe": "cpe:/a:redhat:rhel_eus:8.4", "package": "firefox-0:91.10.0-1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Extended Update Support", "release_date": "2022-06-01T00:00:00Z"}, {"advisory": "RHSA-2022:4889", "cpe": "cpe:/a:redhat:rhel_eus:8.4", "package": "thunderbird-0:91.10.0-1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Extended Update Support", "release_date": "2022-06-02T00:00:00Z"}, {"advisory": "RHSA-2022:4873", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "firefox-0:91.10.0-1.el9_0", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-06-01T00:00:00Z"}, {"advisory": "RHSA-2022:4892", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "thunderbird-0:91.10.0-1.el9_0", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-06-03T00:00:00Z"}], "bugzilla": {"description": "Mozilla: Querying a WebAuthn token with a large number of allowCredential entries may have leaked cross-origin information", "id": "2092025", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2092025"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.1", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "status": "verified"}, "cwe": "CWE-829", "details": ["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.", "A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue as 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."], "name": "CVE-2022-31742", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2022-05-31T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-31742\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-31742"], "threat_severity": "Moderate"}

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