Ubuntu Security Notice 2127-1 - Nikos Mavrogiannopoulos discovered that GnuTLS incorrectly handled certificate verification functions. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could be exploited with specially crafted certificates to view sensitive information.
d993f7ca19f48ae97e6efa1f068cac1e38adac6d808387d1c7002cb567aff191
============================================================================
Ubuntu Security Notice USN-2127-1
March 04, 2014
gnutls26 vulnerability
============================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 13.10
- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS
Summary:
Fraudulent security certificates could allow sensitive information to
be exposed when accessing the Internet.
Software Description:
- gnutls26: GNU TLS library
Details:
Nikos Mavrogiannopoulos discovered that GnuTLS incorrectly handled
certificate verification functions. If a remote attacker were able to
perform a man-in-the-middle attack, this flaw could be exploited with
specially crafted certificates to view sensitive information.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 13.10:
libgnutls26 2.12.23-1ubuntu4.2
Ubuntu 12.10:
libgnutls26 2.12.14-5ubuntu4.6
Ubuntu 12.04 LTS:
libgnutls26 2.12.14-5ubuntu3.7
Ubuntu 10.04 LTS:
libgnutls26 2.8.5-2ubuntu0.5
In general, a standard system update will make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-2127-1
CVE-2014-0092
Package Information:
https://launchpad.net/ubuntu/+source/gnutls26/2.12.23-1ubuntu4.2
https://launchpad.net/ubuntu/+source/gnutls26/2.12.14-5ubuntu4.6
https://launchpad.net/ubuntu/+source/gnutls26/2.12.14-5ubuntu3.7
https://launchpad.net/ubuntu/+source/gnutls26/2.8.5-2ubuntu0.5