Exploit the possiblities

webbsyte.txt

webbsyte.txt
Posted Aug 5, 2004
Authored by Donato Ferrante | Site autistici.org

When over 40 connections are made to Webbsyte 0.9.0, the service crashes.

tags | advisory
MD5 | 9e0bb4f36d041ee36552eacb315d8b54

webbsyte.txt

Change Mirror Download

Donato Ferrante


Application: Webbsyte Chat
http://sourceforge.net/projects/wchat/

Version: 0.9.0

Bug: Denial Of Service

Date: 02-Aug-2004

Author: Donato Ferrante
e-mail: fdonato@autistici.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:

"Webbsyte Chat lets you keep in touch with people all around the
world!"



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

The chat server doesn't correctly manage raw requests, in fact it will
crash with the following error:

"Run-time error '40006':
Wrong protocol or connection state for the requested transaction or
request"



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

To test the vulnerability:

establish about 40 raw connections (like telnet) with the chat server.
NOTE: 40 is the maximum number of connections needed to test this bug.



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

Vendor was contacted.
The program is no more supported.



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