USN-4899-1: SpamAssassin vulnerability

Publication date

1 April 2021

Overview

SpamAssassin could be made to run programs if it opened a specially crafted file.


Packages

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.

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

In general, a standard system update will 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 spamassassin –  3.4.4-1ubuntu1.1
18.04 bionic spamassassin –  3.4.2-0ubuntu0.18.04.5
16.04 xenial spamassassin –  3.4.2-0ubuntu0.16.04.5

Reduce your security exposure

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