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Ubuntu Security Notice USN-2100-1

Ubuntu Security Notice USN-2100-1
Posted Feb 7, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2100-1 - 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. 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. It was discovered that Pidgin incorrectly handled long URLs. A remote attacker could use this issue to cause Pidgin to crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, protocol
systems | linux, ubuntu
advisories | 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, 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
SHA-256 | f991b00ea6f051465706e877f78268dc8f39e4e590323da6770e95706a13d801

Ubuntu Security Notice USN-2100-1

Change Mirror Download
============================================================================
Ubuntu Security Notice USN-2100-1
February 06, 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

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

References:
http://www.ubuntu.com/usn/usn-2100-1
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

Package Information:
https://launchpad.net/ubuntu/+source/pidgin/1:2.10.7-0ubuntu4.1.13.10.1
https://launchpad.net/ubuntu/+source/pidgin/1:2.10.6-0ubuntu2.3
https://launchpad.net/ubuntu/+source/pidgin/1:2.10.3-0ubuntu1.4
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