ubuntu-security-announce Digest, Vol 113, Issue 14

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Today's Topics:

1. [USN-2121-1] GnuTLS vulnerability (Marc Deslauriers)


----------------------------------------------------------------------

Message: 1
Date: Tue, 25 Feb 2014 11:45:19 -0500
From: Marc Deslauriers <marc.deslauriers@canonical.com>
To: ubuntu-security-announce@lists.ubuntu.com
Subject: [USN-2121-1] GnuTLS vulnerability
Message-ID: <530CC89F.2050807@canonical.com>
Content-Type: text/plain; charset="utf-8"

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