USN-2390-1: Pidgin vulnerabilities
Ubuntu Security Notice USN-2390-1
28th October, 2014
pidgin vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary
Several security issues were fixed in Pidgin.
Software description
- pidgin - graphical multi-protocol instant messaging client for X
Details
Jacob Appelbaum and an anonymous person discovered that Pidgin incorrectly
handled certificate validation. A remote attacker could exploit this to
perform a man in the middle attack to view sensitive information or alter
encrypted communications. (CVE-2014-3694)
Yves Younan and Richard Johnson discovered that Pidgin incorrectly handled
certain malformed MXit emoticons. A malicious remote server or a man in the
middle could use this issue to cause Pidgin to crash, resulting in a denial
of service. (CVE-2014-3695)
Yves Younan and Richard Johnson discovered that Pidgin incorrectly handled
certain malformed Groupwise messages. A malicious remote server or a man in
the middle could use this issue to cause Pidgin to crash, resulting in a
denial of service. (CVE-2014-3696)
Thijs Alkemade and Paul Aurich discovered that Pidgin incorrectly handled
memory when processing XMPP messages. A malicious remote server or user
could use this issue to cause Pidgin to disclosure arbitrary memory,
resulting in an information leak. (CVE-2014-3698)
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 14.10:
- pidgin 1:2.10.9-0ubuntu7.1
- libpurple0 1:2.10.9-0ubuntu7.1
- Ubuntu 14.04 LTS:
- pidgin 1:2.10.9-0ubuntu3.2
- libpurple0 1:2.10.9-0ubuntu3.2
- Ubuntu 12.04 LTS:
- pidgin 1:2.10.3-0ubuntu1.6
- libpurple0 1:2.10.3-0ubuntu1.6
To update your system, please follow these instructions: http://bit.ly/1aJDvTw.
After a standard system update you need to restart Pidgin to make all the
necessary changes.
References
CVE-2014-3694, CVE-2014-3695, CVE-2014-3696, CVE-2014-3698
from Ubuntu Security Notices http://bit.ly/1tdgWBe