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Bugtraq: Freeze in Pigeon Server 3.02.0143

Freeze in Pigeon Server 3.02.0143

From: Luigi Auriemma <aluigi_at_autistici.org>
Date: Thu, 16 Sep 2004 18:28:42 +0000

#######################################################################

                             Luigi Auriemma

Application: Pigeon Server
              http://www.tech-noel.com
Versions: <= 3.02.0143
Platforms: Windows
Bug: freeze
Risk: medium
Exploitation: remote, versus server
Date: 16 September 2004
Author: Luigi Auriemma
              e-mail: aluigi_at_altervista.org
              web: http://aluigi.altervista.org

#######################################################################

1) Introduction
2) Bug
3) The Code
4) Fix

#######################################################################

===============
1) Introduction
===============

Pigeon is a communication system for LANs and uses a clients-server
architecture.

#######################################################################

======
2) Bug
======

A login field longer than 8180 chars sent to the port 3103 causes the
immediate freeze of the Pigeon server that enters in an infinite loop,
so CPU raises at 100% and is impossible to login and to send/receive
messages.

#######################################################################

===========
3) The Code
===========

http://aluigi.altervista.org/poc/pigeonx.zip

#######################################################################

======
4) Fix
======

Version 3.03.146:

  ftp://ftp.tech-noel.com/PigeonServerUpd.exe

#######################################################################

---
Luigi Auriemma
http://aluigi.altervista.org
Received on Sep 17 2004

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