USN-2100-1: Pidgin vulnerabilities

6 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 versions:

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