USN-3425-1: Apache HTTP Server vulnerability

Publication date

19 September 2017

Overview

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


Packages

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.

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
17.04 zesty apache2-bin –  2.4.25-3ubuntu2.3
16.04 xenial apache2-bin –  2.4.18-2ubuntu3.5
14.04 trusty apache2-bin –  2.4.7-1ubuntu4.18

Reduce your security exposure

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Have additional questions?

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