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==========================================================================Ubuntu Security Notice USN-1547-1
August 28, 2012

libgdata, evolution-data-server vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.04 LTS

Summary:

Applications using GData services could be made to expose sensitive
information over the network.

Software Description:
- libgdata: Library to access GData services
- evolution-data-server: Evolution suite data server

Details:

Vreixo Formoso discovered that the libGData library, as used
by Evolution and other applications, did not properly verify SSL
certificates. A remote attacker could exploit this to perform a man
in the middle attack to view sensitive information or alter data
transmitted via the GData protocol.

Update instructions:

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

Ubuntu 11.10:
  libgdata13                      0.9.1-0ubuntu2.1

Ubuntu 11.04:
  libgdata11                      0.8.0-0ubuntu1.1

Ubuntu 10.04 LTS:
  libgdata-google1.2-1            2.28.3.1-0ubuntu6.1
  libgdata1.2-1                   2.28.3.1-0ubuntu6.1
  libgdata6                       0.5.2-0ubuntu1.1

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

References:
  http://www.ubuntu.com/usn/usn-1547-1
  CVE-2012-1177

Package Information:
  https://launchpad.net/ubuntu/+source/libgdata/0.9.1-0ubuntu2.1
  https://launchpad.net/ubuntu/+source/libgdata/0.8.0-0ubuntu1.1
  https://launchpad.net/ubuntu/+source/evolution-data-server/2.28.3.1-0ubuntu6.1
  https://launchpad.net/ubuntu/+source/libgdata/0.5.2-0ubuntu1.1