CVE-2022-31742
6.5
MEDIUM
CVSS 3.1
EPSS 0.36%
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.
How to fix CVE-2022-31742
To remediate CVE-2022-31742, upgrade the affected package to a fixed version below.
- —upgrade to 91.10.0esr-1~deb11u1 or later
- —upgrade to 1:91.10.0-1~deb11u1 or later
Is CVE-2022-31742 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 91.10.0esr-1~deb11u1
- from 0, < 1:91.10.0-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |