Ubuntu 4237-1 Security Advisory: SpamAssassin Remote Code Execution

ubuntu

January 13, 2020

Several security issues were fixed in SpamAssassin.

Summary

Several security issues were fixed in SpamAssassin.

Software Description:

- spamassassin: Perl-based spam filter using text analysis

Details:

It was 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.

(CVE-2018-11805)

It was discovered that SpamAssassin incorrectly handled certain messages.

A remote attacker could possibly use this issue to cause SpamAssassin to

consume resources, resulting in a denial of service. (CVE-2019-12420)

Topics Covered

security advisory denial of service remote code execution Ubuntu update instructions SpamAssassin

Update Instructions

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

Ubuntu 19.10:
  spamassassin                    3.4.2-1ubuntu0.19.10.1

Ubuntu 19.04:
  spamassassin                    3.4.2-1ubuntu0.19.04.1

Ubuntu 18.04 LTS:
  spamassassin                    3.4.2-0ubuntu0.18.04.2

Ubuntu 16.04 LTS:
  spamassassin                    3.4.2-0ubuntu0.16.04.2

In general, a standard system update will make all the necessary changes.