[USN-2403-1] GnuTLS vulnerability

Marc Deslauriers marc.deslauriers at canonical.com
Tue Nov 11 13:51:37 UTC 2014


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