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Ubuntu Security Notice USN-2101-1
February 10, 2014

libgadu vulnerability

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

• Ubuntu 13.10
• Ubuntu 12.10
• Ubuntu 12.04 LTS

Summary:

libgadu could be made to crash or run programs if it received specially
crafted network traffic.

Software Description:

• libgadu: Gadu-Gadu protocol library

Details:

Yves Younan and Ryan Pentney discovered that libgadu incorrectly handled
certain Gadu-Gadu HTTP messages. A malicious remote server or a man in the
middle could use this issue to cause applications using libgadu 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 13.10:
libgadu3 1:1.11.2-1ubuntu1.1

Ubuntu 12.10:
libgadu3 1:1.11.2-1ubuntu0.12.10.1

Ubuntu 12.04 LTS:
libgadu3 1:1.11.1-1ubuntu0.1

After a standard system update you need to restart your session to make all
the necessary changes.

References:
http://www.ubuntu.com/usn/usn-2101-1
CVE-2013-6487

Package Information:
https://launchpad.net/ubuntu/+source/libgadu/1:1.11.2-1ubuntu1.1
https://launchpad.net/ubuntu/+source/libgadu/1:1.11.2-1ubuntu0.12.10.1
https://launchpad.net/ubuntu/+source/libgadu/1:1.11.1-1ubuntu0.1

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