1. Ubuntu Security Notices
  2. USN-2390-1

USN-2390-1: Pidgin vulnerabilities

Publication date

28 October 2014

Overview

Several security issues were fixed in Pidgin.

Releases

Packages

  • 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 machine-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
machine-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
machine-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...

Jacob Appelbaum and an anonymous person discovered that Pidgin incorrectly
handled certificate validation. A remote attacker could exploit this to
perform a machine-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
machine-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
machine-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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
14.10 utopic libpurple0 –  1:2.10.9-0ubuntu7.1
pidgin –  1:2.10.9-0ubuntu7.1
14.04 trusty libpurple0 –  1:2.10.9-0ubuntu3.2
pidgin –  1:2.10.9-0ubuntu3.2
12.04 precise libpurple0 –  1:2.10.3-0ubuntu1.6
pidgin –  1:2.10.3-0ubuntu1.6

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References

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