==========================================================================
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
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