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CVE-2022-31742

Date: December 21, 2022

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.

Language: C++

Severity Score

Related Resources (10)

https://www.mozilla.org/security/advisories/mfsa2022-21/
https://www.mozilla.org/security/advisories/mfsa2022-20/
https://bugzilla.mozilla.org/show_bug.cgi?id=1730434
https://access.redhat.com/security/cve/CVE-2022-31742
https://nvd.nist.gov/vuln/detail/CVE-2022-31742
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-31742
https://security.alpinelinux.org/vuln/CVE-2022-31742
https://security-tracker.debian.org/tracker/CVE-2022-31742
https://www.mozilla.org/security/advisories/mfsa2022-22/
https://www.mend.io/vulnerability-database/CVE-2022-31742

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

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