USN-4401-1: Mutt vulnerabilities

Publication date

22 June 2020

Overview

Several security issues were fixed in Mutt.


Packages

  • 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-2020-14093)

It was discovered that Mutt incorrectly handled certain requests.
An attacker could possibly use this issue to proceeds with a connection
even if the user rejects an expired intermediate certificate.
(CVE-2020-14154)

It was discovered that Mutt incorrectly handled certain requests.
An attacker could possibly use this issue to enable MITM attacks.
(CVE-2020-14093)

It was discovered that Mutt incorrectly handled certain requests.
An attacker could possibly use this issue to proceeds with a connection
even if the user rejects an expired intermediate certificate.
(CVE-2020-14154)

Update instructions

After a standard system update you need to restart mutt to make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
20.04 focal mutt –  1.13.2-1ubuntu0.1
19.10 eoan mutt –  1.10.1-2.1ubuntu0.1
18.04 bionic mutt –  1.9.4-3ubuntu0.2
16.04 xenial mutt –  1.5.24-1ubuntu0.3
12.04 precise mutt –  1.5.21-5ubuntu2.4

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