Ubuntu Security Notice USN-6374-1 – Torchsec
Ubuntu Security Notice USN-6374-1
September 14, 2023
mutt vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 23.04
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)
- Ubuntu 16.04 LTS (Available with Ubuntu Pro)
Summary:
Mutt could be made to crash if it received specially crafted
input.
Software Description:
- mutt: text-based mailreader supporting MIME, GPG, PGP and threading
Details:
It was discovered that Mutt incorrectly handled certain email header
content. If a user were tricked into opening a specially crafted message,
a remote attacker could possibly use this issue to cause a denial of
service. (CVE-2023-4874, CVE-2023-4875)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 23.04:
mutt 2.2.9-1ubuntu0.23.04.1
Ubuntu 22.04 LTS:
mutt 2.1.4-1ubuntu1.2
Ubuntu 20.04 LTS:
mutt 1.13.2-1ubuntu0.6
Ubuntu 18.04 LTS (Available with Ubuntu Pro):
mutt 1.9.4-3ubuntu0.6+esm1
Ubuntu 16.04 LTS (Available with Ubuntu Pro):
mutt 1.5.24-1ubuntu0.6+esm3
mutt-patched 1.5.24-1ubuntu0.6+esm3
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-6374-1
CVE-2023-4874, CVE-2023-4875
Package Information:
https://launchpad.net/ubuntu/+source/mutt/2.2.9-1ubuntu0.23.04.1
https://launchpad.net/ubuntu/+source/mutt/2.1.4-1ubuntu1.2
https://launchpad.net/ubuntu/+source/mutt/1.13.2-1ubuntu0.6
Gloss