USN-4403-1: Mutt vulnerability and regression

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
mutt1.13.2-1ubuntu0.2
Ubuntu 19.10
mutt1.10.1-2.1ubuntu0.2
Ubuntu 18.04 LTS
mutt1.9.4-3ubuntu0.3
Ubuntu 16.04 LTS
mutt1.5.24-1ubuntu0.4
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

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