Ubuntu Security Notice USN-4899-2
April 12, 2021
spamassassin vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 14.04 ESM
Summary:
SpamAssassin could be made to run programs if it opened a
specially crafted
file.
Software Description:
- spamassassin: Perl-based spam filter using text analysis
Details:
USN-4899-1 fixed a vulnerability in SpamAssassin. This update
provides
the corresponding update for Ubuntu 14.04 ESM.
Original advisory details:
Damian Lukowski discovered that SpamAssassin incorrectly handled
certain CF
files. If a user or automated system were tricked into using a
specially-
crafted CF file, a remote attacker could possibly run arbitrary
code.
Update instructions:
The problem can be corrected by updating your system to the
following
package versions:
Ubuntu 14.04 ESM:
spamassassin 3.4.2-0ubuntu0.14.04.1+esm3
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-4899-2
https://ubuntu.com/security/notices/USN-4899-1
CVE-2020-1946
Read more https://packetstormsecurity.com/files/162147/USN-4899-2.txt