Improper Certificate Validation in Mutt - CVE-2020-14154
Published: July 1, 2020
Vulnerability identifier: #VU29424
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-14154
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a man-in-the-Middle (MitM) attack.
The vulnerability exists due to improper certificate validation in mutt. The application proceeds with the connection eve if in response to a GnuTLS certificate prompt the user rejects an expired intermediate certificate.
Affected software
Mutt
Gentoo Linux
Opensuse
openEuler
mutt
mutt-debuginfo
mutt-debugsource
mutt-help
Gentoo Linux
Opensuse
openEuler
mutt
mutt-debuginfo
mutt-debugsource
mutt-help
How to mitigate CVE-2020-14154
Install updates from vendor's website.
Mutt - update to 1.14.3
mutt - update to 1.10.1-9
mutt-debuginfo - update to 1.10.1-9
mutt-debugsource - update to 1.10.1-9
mutt-help - update to 1.10.1-9
mutt - update to 1.10.1-9
mutt-debuginfo - update to 1.10.1-9
mutt-debugsource - update to 1.10.1-9
mutt-help - update to 1.10.1-9