[USN-4899-1] SpamAssassin vulnerability

========================================================================== Ubuntu Security Notice USN-4899-1 April 01, 2021
spamassassin vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 20.04 LTS – Ubuntu 18.04 LTS – Ubuntu 16.04 LTS
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:
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 20.04 LTS: spamassassin 3.4.4-1ubuntu1.1
Ubuntu 18.04 LTS: spamassassin 3.4.2-0ubuntu0.18.04.5
Ubuntu 16.04 LTS: spamassassin 3.4.2-0ubuntu0.16.04.5
In general, a standard system update will make all the necessary changes.
References: ubuntu.com/security/notices/USN-4899-1 CVE-2020-1946
Package Information: launchpad.net/ubuntu/+source/spamassassin/3.4.4-1ubuntu1.1 launchpad.net/ubuntu/+source/spamassassin/3.4.2-0ubuntu0.18.04.5 launchpad.net/ubuntu/+source/spamassassin/3.4.2-0ubuntu0.16.04.5