[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

Summary:

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

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

Details:

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.

References:
  https://usn.ubuntu.com/4520-1
  CVE-2019-19920

Package Information:
  https://launchpad.net/ubuntu/+source/sa-exim/4.2.1-14+deb8u1build0.16.04.1

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: OpenPGP digital signature
URL: <https://lists.ubuntu.com/archives/ubuntu-security-announce/attachments/20200918/4a86d17e/attachment.sig>


More information about the ubuntu-security-announce mailing list