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DoS in Bird Chat 1.61

                           Donato Ferrante


Application:  Bird Chat
              http://birdchat.sourceforge.net/

Version:      1.61

Bug:          Denial Of Service

Date:         23-Aug-2004

Author:       Donato Ferrante
              e-mail: fdonato@xxxxxxxxxxxxx
              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:

"Bird Chat is a chat client / server software designed with an easy
and simple interface."



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

The bug is a denial of service versus clients, in fact an attacker
can crash all the chat clients connected to the chat server, by
using few fake users.



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

To test the vulnerability:

http://www.autistici.org/fdonato/poc/BirdChat[161]DoS-poc.zip



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

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



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