=========================================================================Ubuntu Security Notice USN-2362-1
September 24, 2014

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

- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS

Summary:

Bash allowed bypassing environment restrictions in certain environments.

Software Description:
- bash: GNU Bourne Again SHell

Details:

Stephane Chazelas discovered that Bash incorrectly handled trailing code in
function definitions. An attacker could use this issue to bypass
environment restrictions, such as SSH forced command environments.

Update instructions:

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

Ubuntu 14.04 LTS:
  bash                            4.3-7ubuntu1.1

Ubuntu 12.04 LTS:
  bash                            4.2-2ubuntu2.2

Ubuntu 10.04 LTS:
  bash                            4.1-2ubuntu3.1

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

References:
  https://ubuntu.com/security/notices/USN-2362-1
  CVE-2014-6271

Package Information:
  https://launchpad.net/ubuntu/+source/bash/4.3-7ubuntu1.1
  https://launchpad.net/ubuntu/+source/bash/4.2-2ubuntu2.2
  https://launchpad.net/ubuntu/+source/bash/4.1-2ubuntu3.1