============================================================================ Ubuntu Security Notice USN-2380-1 October 09, 2014 bash vulnerabilities ============================================================================ A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 14.04 LTS - Ubuntu 12.04 LTS - Ubuntu 10.04 LTS Summary: Several security issues were fixed in Bash. Software Description: - bash: GNU Bourne Again SHell Details: Michal Zalewski discovered that Bash incorrectly handled parsing certain function definitions. If an attacker were able to create an environment variable containing a function definition with a very specific name, these issues could possibly be used to bypass certain environment restrictions and execute arbitrary code. (CVE-2014-6277, CVE-2014-6278) Please note that the previous Bash security update, USN-2364-1, includes a hardening measure that prevents these issues from being used in a Shellshock attack. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 14.04 LTS: bash 4.3-7ubuntu1.5 Ubuntu 12.04 LTS: bash 4.2-2ubuntu2.6 Ubuntu 10.04 LTS: bash 4.1-2ubuntu3.5 In general, a standard system update will make all the necessary changes. References: http://www.ubuntu.com/usn/usn-2380-1 CVE-2014-6277, CVE-2014-6278 Package Information: https://launchpad.net/ubuntu/+source/bash/4.3-7ubuntu1.5 https://launchpad.net/ubuntu/+source/bash/4.2-2ubuntu2.6 https://launchpad.net/ubuntu/+source/bash/4.1-2ubuntu3.5