Ubuntu Security Notice USN-3031-1

12th July, 2016

pidgin vulnerabilities

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

• Ubuntu 15.10
• Ubuntu 14.04 LTS
• Ubuntu 12.04 LTS

Summary

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

Software description

• pidgin
  – graphical multi-protocol instant messaging client for X

Details

Yves Younan discovered that Pidgin contained multiple issues in the MXit
protocol support. A remote attacker could use this issue to cause Pidgin 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 version:

Ubuntu 15.10:

libpurple0

1:2.10.11-0ubuntu4.2

Ubuntu 14.04 LTS:

libpurple0

1:2.10.9-0ubuntu3.3

Ubuntu 12.04 LTS:

libpurple0

1:2.10.3-0ubuntu1.7

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

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

References

CVE-2016-2365,

CVE-2016-2366,

CVE-2016-2367,

CVE-2016-2368,

CVE-2016-2369,

CVE-2016-2370,

CVE-2016-2371,

CVE-2016-2372,

CVE-2016-2373,

CVE-2016-2374,

CVE-2016-2375,

CVE-2016-2376,

CVE-2016-2377,

CVE-2016-2378,

CVE-2016-2380,

CVE-2016-4323