USN-4237-1: SpamAssassin vulnerabilities

Publication date

13 January 2020

Overview

Several security issues were fixed in SpamAssassin.


Packages

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)

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)

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
19.10 eoan spamassassin –  3.4.2-1ubuntu0.19.10.1
19.04 disco spamassassin –  3.4.2-1ubuntu0.19.04.1
18.04 bionic spamassassin –  3.4.2-0ubuntu0.18.04.2
16.04 xenial spamassassin –  3.4.2-0ubuntu0.16.04.2

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