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Ubuntu Security Notice USN-2403-1
November 11, 2014

gnutls28 vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

– Ubuntu 14.10

Summary:

GnuTLS could be made to crash or run programs if it processed a specially
crafted certificate.

Software Description:
– gnutls28: GNU TLS library – commandline utilities

Details:

Sean Burford discovered that GnuTLS incorrectly handled printing certain
elliptic curve parameters. A malicious remote server or client could use
this issue to cause GnuTLS to crash, resulting in a denial of service, or
possibly execute arbitrary code.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 14.10:
gnutls-bin 3.2.16-1ubuntu2.1
libgnutls-deb0-28 3.2.16-1ubuntu2.1
libgnutls-openssl27 3.2.16-1ubuntu2.1
libgnutlsxx28 3.2.16-1ubuntu2.1

In general, a standard system update will make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-2403-1
CVE-2014-8564

Package Information:
https://launchpad.net/ubuntu/+source/gnutls28/3.2.16-1ubuntu2.1

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