=========================================================================Ubuntu Security Notice USN-2363-2
September 26, 2014

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

- Ubuntu 14.04 LTS

Summary:

Bash allowed bypassing environment restrictions in certain environments.

Software Description:
- bash: GNU Bourne Again SHell

Details:

USN-2363-1 fixed a vulnerability in Bash. Due to a build issue, the patch
for CVE-2014-7169 didn't get properly applied in the Ubuntu 14.04 LTS
package. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

 Tavis Ormandy discovered that the security fix for Bash included in
 USN-2362-1 was incomplete. An attacker could use this issue to bypass
 certain environment restrictions. (CVE-2014-7169)

Update instructions:

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

Ubuntu 14.04 LTS:
  bash                            4.3-7ubuntu1.3

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

References:
  https://ubuntu.com/security/notices/USN-2363-2
  https://ubuntu.com/security/notices/USN-2363-1
  CVE-2014-7169

Package Information:
  https://launchpad.net/ubuntu/+source/bash/4.3-7ubuntu1.3