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Ubuntu Security Notice USN-1547-1

Ubuntu Security Notice USN-1547-1
Posted Aug 29, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1547-1 - 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.

tags | advisory, remote, protocol
systems | linux, ubuntu
advisories | CVE-2012-1177
MD5 | a74f0aaab1cc8128ef7472f38a47d4e6

Ubuntu Security Notice USN-1547-1

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Content-Disposition: inline

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

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