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Debian Security Advisory DSA-2859-1 security@debian.org
http://www.debian.org/security/ Moritz Muehlenhoff
February 10, 2014 http://www.debian.org/security/faq
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Package : pidgin
Vulnerability : several
CVE ID : 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

Multiple vulnerabilities have been discovered in Pidgin, a multi-protocol
instant messaging client:

CVE-2013-6477

Jaime Breva Ribes discovered that a remote XMPP user can trigger a
crash by sending a message with a timestamp in the distant future.

CVE-2013-6478

Pidgin could be crashed through overly wide tooltip windows.

CVE-2013-6479

Jacob Appelbaum discovered that a malicious server or a “man in the
middle” could send a malformed HTTP header resulting in denial of
service.

CVE-2013-6481

Daniel Atallah discovered that Pidgin could be crashed through
malformed Yahoo! P2P messages.

CVE-2013-6482

Fabian Yamaguchi and Christian Wressnegger discovered that Pidgin
could be crashed through malformed MSN messages.

CVE-2013-6483

Fabian Yamaguchi and Christian Wressnegger discovered that Pidgin
could be crashed through malformed XMPP messages.

CVE-2013-6484

It was discovered that incorrect error handling when reading the
response from a STUN server could result in a crash.

CVE-2013-6485

Matt Jones discovered a buffer overflow in the parsing of malformed
HTTP responses.

CVE-2013-6487

Yves Younan and Ryan Pentney discovered a buffer overflow when parsing
Gadu-Gadu messages.

CVE-2013-6489

Yves Younan and Pawel Janic discovered an integer overflow when parsing
MXit emoticons.

CVE-2013-6490

Yves Younan discovered a buffer overflow when parsing SIMPLE headers.

CVE-2014-0020

Daniel Atallah discovered that Pidgin could be crashed via malformed
IRC arguments.

For the oldstable distribution (squeeze), no direct backport is provided.
A fixed packages will be provided through backports.debian.org shortly

For the stable distribution (wheezy), these problems have been fixed in
version 2.10.9-1~deb7u1.

For the unstable distribution (sid), these problems have been fixed in
version 2.10.9-1.

We recommend that you upgrade your pidgin packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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