============================================================================ Ubuntu Security Notice USN-2121-1 February 25, 2014 gnutls26 vulnerability ============================================================================ A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 13.10 - Ubuntu 12.10 - Ubuntu 12.04 LTS Summary: GnuTLS incorrectly validated certain intermediate certificates. Software Description: - gnutls26: GNU TLS library Details: Suman Jana discovered that GnuTLS incorrectly handled version 1 intermediate certificates. This resulted in them being considered to be a valid CA certificate by default, which was contrary to documented behaviour. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 13.10: libgnutls26 2.12.23-1ubuntu4.1 Ubuntu 12.10: libgnutls26 2.12.14-5ubuntu4.5 Ubuntu 12.04 LTS: libgnutls26 2.12.14-5ubuntu3.6 In general, a standard system update will make all the necessary changes. References: http://www.ubuntu.com/usn/usn-2121-1 CVE-2014-1959 Package Information: https://launchpad.net/ubuntu/+source/gnutls26/2.12.23-1ubuntu4.1 https://launchpad.net/ubuntu/+source/gnutls26/2.12.14-5ubuntu4.5 https://launchpad.net/ubuntu/+source/gnutls26/2.12.14-5ubuntu3.6