Ubuntu 12.04 LTS / 12.10 / 13.10 : pidgin vulnerabilities (USN-2100-1)

Ubuntu Security Notice (C) 2014 Canonical, Inc. / NASL script (C) 2014 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing one or more security-related patches.

Description :

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).

Solution :

Update the affected libpurple0 and / or pidgin packages.

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 8.7
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : true