USN-2363-1: Bash vulnerability
Ubuntu Security Notice USN-2363-1
25th September, 2014
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS
Bash allowed bypassing environment restrictions in certain environments.
- bash - GNU Bourne Again SHell
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)
The problem can be corrected by updating your system to the following package version:
- Ubuntu 14.04 LTS:
- bash 4.3-7ubuntu1.2
- Ubuntu 12.04 LTS:
- bash 4.2-2ubuntu2.3
- Ubuntu 10.04 LTS:
- bash 4.1-2ubuntu3.2
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.