USN-3425-2: Apache HTTP Server vulnerability

24 October 2017

apache2 vulnerability

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

  • Ubuntu 12.04 ESM


Apache HTTP Server could be made to expose sensitive information over the network.

Software Description

  • apache2 - Apache HTTP server


USN-3425-1 fixed a vulnerability in Apache HTTP Server. This update provides the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

Hanno Böck discovered that the Apache HTTP Server incorrectly handled Limit directives in .htaccess files. In certain configurations, a remote attacker could possibly use this issue to read arbitrary server memory, including sensitive information. This issue is known as Optionsbleed.

Update instructions

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

Ubuntu 12.04 ESM
apache2.2-bin - 2.2.22-1ubuntu1.14

To update your system, please follow these instructions:

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