1. Ubuntu Security Notices
  2. USN-3038-1

USN-3038-1: Apache HTTP Server vulnerability

Publication date

18 July 2016

Overview

A security issue was fixed in the Apache HTTP Server.

Releases

Packages

Details

It was discovered that the Apache HTTP Server would set the HTTP_PROXY
environment variable based on the contents of the Proxy header from HTTP
requests. A remote attacker could possibly use this issue in combination
with CGI scripts that honour the HTTP_PROXY variable to redirect outgoing
HTTP requests.

It was discovered that the Apache HTTP Server would set the HTTP_PROXY
environment variable based on the contents of the Proxy header from HTTP
requests. A remote attacker could possibly use this issue in combination
with CGI scripts that honour the HTTP_PROXY variable to redirect outgoing
HTTP requests.

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
16.04 xenial apache2-bin –  2.4.18-2ubuntu3.1
15.10 wily apache2-bin –  2.4.12-2ubuntu2.1
14.04 trusty apache2.2-bin –  2.4.7-1ubuntu4.13
12.04 precise apache2.2-bin –  2.2.22-1ubuntu1.11

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References

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