SB2020070107 - MitM attack in Mutt
Published: July 1, 2020
Security Bulletin ID
SB2020070107
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Code injection (CVE-ID: CVE-2020-14954)
The vulnerability allows a remote attacker to perform a spoofing attack.
The vulnerability exists due to insecure implementation of the STARTTLS buffering for IMAP, SMTP, and POP3 protocols. A remote attacker can inject arbitrary data into the TLS context during MitM attack, e.g. perform a response injection attack.
Remediation
Install update from vendor's website.
References
- http://lists.mutt.org/pipermail/mutt-announce/Week-of-Mon-20200615/000023.html
- 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://github.com/neomutt/neomutt/commit/fb013ec666759cb8a9e294347c7b4c1f597639cc
- https://github.com/neomutt/neomutt/releases/tag/20200619
- https://gitlab.com/muttmua/mutt/-/commit/c547433cdf2e79191b15c6932c57f1472bfb5ff4
- https://gitlab.com/muttmua/mutt/-/issues/248
- https://www.debian.org/security/2020/dsa-4707
- https://www.debian.org/security/2020/dsa-4708