CVE-2021-29950 Information

Description

Thunderbird unprotects a secret OpenPGP key prior to using it for a decryption signing or key import task. If the task runs into a failure the secret key may remain in memory in its unprotected state. This vulnerability affects Thunderbird < 78.8.1.

CVSS Vector

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

Reference

https://bugzilla.mozilla.org/show_bug.cgi?id=1673239 https://www.mozilla.org/security/advisories/mfsa2021-17/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5