============================================================================ Ubuntu Security Notice USN-2364-1 September 27, 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: Florian Weimer and Todd Sabin discovered that the Bash parser incorrectly handled memory. An attacker could possibly use this issue to bypass certain environment restrictions and execute arbitrary code. (CVE-2014-7186, CVE-2014-7187) In addition, this update introduces a hardening measure which adds prefixes and suffixes around environment variable names which contain shell functions. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 14.04 LTS: bash 4.3-7ubuntu1.4 Ubuntu 12.04 LTS: bash 4.2-2ubuntu2.5 Ubuntu 10.04 LTS: bash 4.1-2ubuntu3.4 In general, a standard system update will make all the necessary changes. References: http://www.ubuntu.com/usn/usn-2364-1 CVE-2014-7186, CVE-2014-7187 Package Information: https://launchpad.net/ubuntu/+source/bash/4.3-7ubuntu1.4 https://launchpad.net/ubuntu/+source/bash/4.2-2ubuntu2.5 https://launchpad.net/ubuntu/+source/bash/4.1-2ubuntu3.4