Man-in-the-Middle (MitM) attack in Mutt - CVE-2020-14093

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU29423

Man-in-the-Middle (MitM) attack in Mutt - CVE-2020-14093

Published: July 1, 2020


Vulnerability identifier: #VU29423
CSH Severity: Low
CVSS v4: 2.3 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-14093
CWE-ID: CWE-300
Exploitation vector: Adjecent network
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 within the IMAP fcc/postpone when processing PREAUTH responses. A remote attacker with ability to intercept traffic can perform a Man-in-the-Middle (MitM) attack.


Affected software

Mutt
Gentoo Linux
Debian Linux
Opensuse
openEuler
mutt (Alpine package)
mutt (Debian package)
mutt
mutt-debugsource
mutt-debuginfo
mutt-help
neomutt (Debian package)

How to mitigate CVE-2020-14093

Install updates from vendor's website.

Mutt - update to 1.14.3
mutt (Alpine package) - update to 1.14.4-r0
mutt (Debian package) - addressed in versions 1.7.2-1+deb9u3, 1.10.1-2.1+deb10u2
mutt - update to 1.10.1-8
mutt-debugsource - update to 1.10.1-8
mutt-debuginfo - update to 1.10.1-8
mutt-help - update to 1.10.1-8
neomutt (Debian package) - update to 20180716+dfsg.1-1+deb10u1

External References

Related Security Bulletins