CVE-2022-31742

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.

Weakness classification

• nvd@nist.gov: NVD-CWE-noinfo
• 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-203

Primary references

• security@mozilla.org — Issue Tracking, Permissions Required, Vendor Advisory
• security@mozilla.org — Vendor Advisory
• security@mozilla.org — Vendor Advisory
• security@mozilla.org — Vendor Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Permissions Required, Vendor Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
• 134c704f-9b21-4f2e-91b3-4a467353bcc0 — Issue Tracking, Permissions Required, Vendor Advisory