[USN-4520-1] Exim SpamAssassin vulnerability

Emilia Torino emilia.torino at canonical.com
Fri Sep 18 23:59:48 UTC 2020

Ubuntu Security Notice USN-4520-1
September 18, 2020

sa-exim vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 LTS


Exim SpamAssassin could be made to execute aribitrary code if it
received crafted .cf files/rules.

Software Description:
- sa-exim: SpamAssassin filter for Exim


It was discovered that Exim SpamAssassin does not properly handle
configuration strings. An attacker could possibly use this issue to
execute arbitrary code. (CVE-2019-19920)

Update instructions:

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

Ubuntu 16.04 LTS:
  sa-exim                         4.2.1-14+deb8u1build0.16.04.1

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


Package Information:

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