bugtraq - DoS in LANChat Pro Revival 1.666c

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Date: Thu, 3 Feb 2005 15:07:02 -0000
From: "Donato Ferrante" <fdonato@...istici.org>
To: <bugtraq@...urityfocus.com>, <vuln@...unia.com>,
        <full-disclosure@...ts.netsys.com>, <bugs@...uritytracker.com>,
        <news@...uriteam.com>
Subject: DoS in LANChat Pro Revival 1.666c



                           Donato Ferrante


Application:  LANChat Pro Revival
              http://lanchat.republika.pl/

Version:      1.666c

Bug:          Denial Of Service

Date:         03-Feb-2005

Author:       Donato Ferrante
              e-mail: fdonato@...istici.org
              web:    www.autistici.org/fdonato



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1. Description
2. The bug
3. The code
4. The fix



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----------------
1. Description:
----------------

Vendor's Description:

"LANChat Pro is a local area network chat program with multicolor,
custom skins and sounds support, WAN operation and file transfer
and many other options."



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------------
2. The bug:
------------

The program is unable to manage malformed data into udp packet, in fact  
it crashes.



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-------------
3. The code:
-------------

To test the vulnerability:

http://www.autistici.org/fdonato/poc/LANChatPR[1666c]DoS-poc.zip



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------------
4. The fix:
------------

No fix.
LANChat Pro Revival is no longer supported.



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