USN-3518-1: AWStats vulnerability

8 January 2018

awstats vulnerability

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

  • Ubuntu 17.10
  • Ubuntu 17.04
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS


AWStats could be made to run programs if it received specially crafted network traffic.

Software Description

  • awstats - powerful and featureful web server log analyzer


It was discovered that AWStats incorrectly filtered certain parameters. A remote attacker could possibly use this issue to execute arbitrary code.

Update instructions

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

Ubuntu 17.10
awstats - 7.6+dfsg-1ubuntu0.17.10.1
Ubuntu 17.04
awstats - 7.6+dfsg-1ubuntu0.17.04.1
Ubuntu 16.04 LTS
awstats - 7.4+dfsg-1ubuntu0.2
Ubuntu 14.04 LTS
awstats - 7.2+dfsg-1ubuntu0.1

To update your system, please follow these instructions:

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