full-disclosure - [PLSA 2008-18] Pidgin: Spoofing Vulnerability

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Message-ID: <489A4173.4030209@pardus.org.tr>
Date: Thu, 07 Aug 2008 03:27:31 +0300
From: Pınar Yanardağ <pinar@...dus.org.tr>
To: pardus-security@...dus.org.tr
Cc: full-disclosure@...ts.grok.org.uk
Subject: [PLSA 2008-18] Pidgin: Spoofing Vulnerability

------------------------------------------------------------------------
Pardus Linux Security Advisory 2008-18            security@...dus.org.tr
------------------------------------------------------------------------
       Date: 2008-08-07
   Severity: 2
       Type: Remote
------------------------------------------------------------------------

Summary
=======

A security issue has been reported in Pidgin, which can be exploited by
malicious people to conduct spoofing attacks.

Description
===========

The problem is that the certificate presented by e.g. a Jabber server at
the beginning of an SSL session is not verified. This can be  exploited
to spoof valid servers via a man-in-the-middle attack.

Successful exploitation requires that Pidgin is configured to  use  the
NSS plugin.

Affected packages:

   Pardus 2008:
     pidgin, all before 2.4.3-21-3

   Pardus 2007:
     pidgin, all before 2.4.3-21-14

Resolution
==========

There are update(s) for pidgin. You can update them via Package Manager
or with a single command from console:

   Pardus 2008:
     pisi up pidgin

   Pardus 2007:
     pisi up pidgin

References
==========

   * http://secunia.com/advisories/31390/
   * http://developer.pidgin.im/ticket/6500

------------------------------------------------------------------------

-- 
Pınar Yanardağ
http://pinguar.org

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