USN-3114-1: nginx vulnerability

25 October 2016

nginx vulnerability

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

  • Ubuntu 16.10
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS


The system could be made to run programs as an administrator.

Software Description

  • nginx - small, powerful, scalable web/proxy server


Dawid Golunski discovered that the nginx package incorrectly handled log file permissions. A remote attacker could possibly use this issue to obtain root privileges.

Update instructions

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

Ubuntu 16.10
nginx-common - 1.10.1-0ubuntu1.1
nginx-core - 1.10.1-0ubuntu1.1
nginx-extras - 1.10.1-0ubuntu1.1
nginx-full - 1.10.1-0ubuntu1.1
nginx-light - 1.10.1-0ubuntu1.1
Ubuntu 16.04 LTS
nginx-common - 1.10.0-0ubuntu0.16.04.3
nginx-core - 1.10.0-0ubuntu0.16.04.3
nginx-extras - 1.10.0-0ubuntu0.16.04.3
nginx-full - 1.10.0-0ubuntu0.16.04.3
nginx-light - 1.10.0-0ubuntu0.16.04.3
Ubuntu 14.04 LTS
nginx-common - 1.4.6-1ubuntu3.6
nginx-core - 1.4.6-1ubuntu3.6
nginx-extras - 1.4.6-1ubuntu3.6
nginx-full - 1.4.6-1ubuntu3.6
nginx-light - 1.4.6-1ubuntu3.6

To update your system, please follow these instructions:

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