[USN-2780-2] MiniUPnP vulnerability

[Steve Beattie]

==========================================================================
Ubuntu Security Notice USN-2780-2
October 23, 2015

miniupnpc vulnerability
==========================================================================

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

- Ubuntu 15.10

Summary:

An application using the MiniUPnP library could be made to crash or run
programs as your login if it received specially crafted network traffic.

Software Description:
- miniupnpc: UPnP IGD client lightweight library

Details:

USN-2780-1 fixed a vulnerability in the MiniUPnP library in Ubuntu
12.04 LTS, Ubuntu 14.04 LTS, and Ubuntu 15.04. This update provides
the corresponding update for Ubuntu 15.10.

Original advisory details:

 Aleksandar Nikolic discovered a buffer overflow vulnerability in the
 XML parser functionality of the MiniUPnP library. A remote attacker
 could use this to cause a denial of service (application crash) or
 possibly execute arbitrary code with privileges of the user running
 an application that uses the MiniUPnP library.

Update instructions:

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

Ubuntu 15.10:
  libminiupnpc10                  1.9.20140610-2ubuntu2

After a standard system update you need to restart applications using
the MiniUPnP library to make all the necessary changes.

References:
  http://www.ubuntu.com/usn/usn-2780-2
  http://www.ubuntu.com/usn/usn-2780-1
  CVE-2015-6031

Package Information:
  https://launchpad.net/ubuntu/+source/miniupnpc/1.9.20140610-2ubuntu2

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