BugTraq
Buffer-overflow in Chris Moneymaker's World Poker Championship 1.0 Aug 17 2005 08:16PM
Luigi Auriemma (aluigi autistici org)

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Luigi Auriemma

Application: Chris Moneymaker's World Poker Championship
http://moneymakergaming.com
Versions: 1.0
Platforms: Windows
Bug: buffer-overflow
Exploitation: remote, versus server
Date: 17 Aug 2005
Author: Luigi Auriemma
e-mail: aluigi (at) autistici (dot) org [email concealed]
web: http://aluigi.altervista.org

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

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

Chris Moneymaker's World Poker Championship is a poker game developed
and published by Valusoft (http://www.valusoft.com) in April 2005.

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2) Bug
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The game is affected by a buffer-overflow during the usage of sprintf()
for the creation of the string "%s has joined the game." (where %s is
replaced by the nickname passed by the client) with a destination
buffer of 256 bytes.

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

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

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4) Fix
======

The vendor has handled this security bug as a "normal" bug so no patch
is planned.

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Luigi Auriemma
http://aluigi.altervista.org

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