Man-in-the-Middle (MitM) attack in Mutt - CVE-2020-14093
Published: July 1, 2020
Vulnerability identifier: #VU29423
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2020-14093
CWE-ID: CWE-300
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Mutt.org
Affected software:
Mutt
Mutt
Detailed vulnerability description
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.
How to mitigate CVE-2020-14093
Install updates from vendor's website.
Sources
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00064.html
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00070.html
- http://www.mutt.org
- https://bugs.gentoo.org/728300
- https://github.com/muttmua/mutt/commit/3e88866dc60b5fa6aaba6fd7c1710c12c1c3cd01
- https://www.debian.org/security/2020/dsa-4707
- https://www.debian.org/security/2020/dsa-4708