USN-2100-1: Pidgin vulnerabilities

Ubuntu Security Notice USN-2100-1

6th February, 2014

pidgin vulnerabilities

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

  • Ubuntu 13.10
  • Ubuntu 12.10
  • Ubuntu 12.04 LTS

Summary

Several security issues were fixed in Pidgin.

Software description

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

Details

Thijs Alkemade and Robert Vehse discovered that Pidgin incorrectly handled
the Yahoo! protocol. A remote attacker could use this issue to cause
Pidgin to crash, resulting in a denial of service. (CVE-2012-6152)

Jaime Breva Ribes discovered that Pidgin incorrectly handled the XMPP
protocol. A remote attacker could use this issue to cause Pidgin to crash,
resulting in a denial of service. (CVE-2013-6477)

It was discovered that Pidgin incorrecly handled long URLs. A remote
attacker could use this issue to cause Pidgin to crash, resulting in a
denial of service. (CVE-2013-6478)

Jacob Appelbaum discovered that Pidgin incorrectly handled certain HTTP
responses. 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-2013-6479)

Daniel Atallah discovered that Pidgin incorrectly handled the Yahoo!
protocol. A remote attacker could use this issue to cause Pidgin to crash,
resulting in a denial of service. (CVE-2013-6481)

Fabian Yamaguchi and Christian Wressnegger discovered that Pidgin
incorrectly handled the MSN protocol. A remote attacker could use this
issue to cause Pidgin to crash, resulting in a denial of service.
(CVE-2013-6482)

Fabian Yamaguchi and Christian Wressnegger discovered that Pidgin
incorrectly handled XMPP iq replies. A remote attacker could use this
issue to spoof messages. (CVE-2013-6483)

It was discovered that Pidgin incorrectly handled STUN server responses. A
remote attacker could use this issue to cause Pidgin to crash, resulting in
a denial of service. (CVE-2013-6484)

Matt Jones discovered that Pidgin incorrectly handled certain chunked HTTP
responses. 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, or
possibly execute arbitrary code. (CVE-2013-6485)

Yves Younan and Ryan Pentney discovered that Pidgin incorrectly handled
certain Gadu-Gadu HTTP 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, or possibly execute arbitrary code. (CVE-2013-6487)

Yves Younan and Pawel Janic discovered that Pidgin incorrectly handled MXit
emoticons. A remote attacker could use this issue to cause Pidgin to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2013-6489)

Yves Younan discovered that Pidgin incorrectly handled SIMPLE headers. A
remote attacker could use this issue to cause Pidgin to crash, resulting in
a denial of service, or possibly execute arbitrary code. (CVE-2013-6490)

Daniel Atallah discovered that Pidgin incorrectly handled IRC argument
parsing. 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-2014-0020)

Update instructions

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

Ubuntu 13.10:
pidgin 1:2.10.7-0ubuntu4.1.13.10.1
libpurple0 1:2.10.7-0ubuntu4.1.13.10.1
Ubuntu 12.10:
pidgin 1:2.10.6-0ubuntu2.3
libpurple0 1:2.10.6-0ubuntu2.3
Ubuntu 12.04 LTS:
pidgin 1:2.10.3-0ubuntu1.4
libpurple0 1:2.10.3-0ubuntu1.4

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-2012-6152, CVE-2013-6477, CVE-2013-6478, CVE-2013-6479, CVE-2013-6481, CVE-2013-6482, CVE-2013-6483, CVE-2013-6484, CVE-2013-6485, CVE-2013-6487, CVE-2013-6489, CVE-2013-6490, CVE-2014-0020