bugtraq - Denial Of Service in FreeChat 1.1.1a

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Date: Thu, 26 Feb 2004 08:11:11 -0000
From: "Donato Ferrante" <fdonato@...istici.org>
To: <bugtraq@...urityfocus.com>
Subject: Denial Of Service in FreeChat 1.1.1a


                           Donato Ferrante


Application:  FreeChat
              http://sourceforge.net/projects/vbfreechat/

Version:      1.1.1a

Bug:          Denial Of Service

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:

"FreeChat is a webserver with support for a browser based streaming
chat written in Visual Basic 6. The chat so far supports multiple
rooms (public/private), graphical emicons, whispering, multiple
languages and more."



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

The server is not able to manage crafted strings. In fact it will
crash.



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

To test the vulnerability simply send to the chat server,
a string like:

"aaaaa"



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

No fix.
The vendor has not answered to my signalations.



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