apache2 vulnerability

Related Vulnerabilities: CVE-2017-9798  

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

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.

19 September 2017

apache2 vulnerability

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

  • Ubuntu 17.04
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS

Summary

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

Software Description

  • apache2 - Apache HTTP server

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 17.04
apache2-bin - 2.4.25-3ubuntu2.3
Ubuntu 16.04 LTS
apache2-bin - 2.4.18-2ubuntu3.5
Ubuntu 14.04 LTS
apache2-bin - 2.4.7-1ubuntu4.18

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References