CVE-2022-28281

high

Description

If a compromised content process sent an unexpected number of WebAuthN Extensions in a Register command to the parent process, an out of bounds write would have occurred leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.

References

https://www.mozilla.org/security/advisories/mfsa2022-13/

https://bugzilla.mozilla.org/show_bug.cgi?id=1755621

https://www.mozilla.org/security/advisories/mfsa2022-15/

https://www.mozilla.org/security/advisories/mfsa2022-14/

Details

Source: MITRE

Published: 2022-12-22

Updated: 2022-12-30

Type: CWE-787

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 2.8

Severity: HIGH