CVEvulnerability
CVE-2022-31742
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-12-22
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-203
Description
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.
Affected configurations
• mozilla firefox (< 101)
• mozilla firefox esr (< 91.10)
• mozilla thunderbird (< 91.10)
Related
Weakness · CWE (1)
- CWE-203 Observable Discrepancy weakness
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1730434 Issue Tracking, Permissions Required, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-20/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-21/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-22/ Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1730434 Issue Tracking, Permissions Required, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-20/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-21/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-22/ Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1730434 Issue Tracking, Permissions Required, Vendor Advisory