USN-3038-1: Apache HTTP Server vulnerability

USN-3038-1: Apache HTTP Server vulnerability

Ubuntu Security Notice USN-3038-1

18th July, 2016

apache2 vulnerability

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

• Ubuntu 16.04 LTS
• Ubuntu 15.10
• Ubuntu 14.04 LTS
• Ubuntu 12.04 LTS

Summary

A security issue was fixed in the Apache HTTP Server.

Software description

• apache2
  – Apache HTTP server

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.

Update instructions

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

Ubuntu 16.04 LTS:

apache2-bin

2.4.18-2ubuntu3.1

Ubuntu 15.10:

apache2-bin

2.4.12-2ubuntu2.1

Ubuntu 14.04 LTS:

apache2.2-bin

2.4.7-1ubuntu4.13

Ubuntu 12.04 LTS:

apache2.2-bin

2.2.22-1ubuntu1.11

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

CVE-2016-5387

Source: USN-3038-1: Apache HTTP Server vulnerability