USN-4403-1: Mutt vulnerability and regression
mutt vulnerability and regression
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.04 LTS
- Ubuntu 19.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 12.04 ESM
Summary
Mutt could be made to enable MITM attacks if it received a specially crafted
request.
Software Description
- mutt – text-based mailreader supporting MIME, GPG, PGP and threading
Details
It was discovered that Mutt incorrectly handled certain requests.
An attacker could possibly use this issue to enable MITM attacks.
(CVE-2020-14954)
This update also address a regression caused in the last update USN-4401-1.
It only affected Ubuntu 12.04 ESM, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 19.10.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 20.04 LTS
- mutt – 1.13.2-1ubuntu0.2
- Ubuntu 19.10
- mutt – 1.10.1-2.1ubuntu0.2
- Ubuntu 18.04 LTS
- mutt – 1.9.4-3ubuntu0.3
- Ubuntu 16.04 LTS
- mutt – 1.5.24-1ubuntu0.4
- Ubuntu 12.04 ESM
- mutt – 1.5.21-5ubuntu2.5
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart mutt to make
all the necessary changes.
References
Source: USN-4403-1: Mutt vulnerability and regression
