CVE-2020-6795 Information

Description

When processing a message that contains multiple S/MIME signatures a bug in the MIME processing code caused a null pointer dereference leading to an unexploitable crash. This vulnerability affects Thunderbird 68.5.

CVSS Vector

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

Reference

https://bugzilla.mozilla.org/show_bug.cgi?id=1611105 https://security.gentoo.org/glsa/202003-10 https://usn.ubuntu.com/4328-1/ https://usn.ubuntu.com/4335-1/ https://www.mozilla.org/security/advisories/mfsa2020-07/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5