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Category:   Application (Game)  >   Chris Moneymakers World Poker Championship Vendors:   MoneyMakerGaming.com
Chris Moneymaker's World Poker Championship Buffer Overflow Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1014738
SecurityTracker URL:  http://securitytracker.com/id/1014738
CVE Reference:   CVE-2005-2639   (Links to External Site)
Updated:  Jun 8 2008
Original Entry Date:  Aug 19 2005
Impact:   Execution of arbitrary code via network, User access via network
Exploit Included:  Yes  
Version(s): 1.0
Description:   Luigi Auriemma discovered a vulnerability in Chris Moneymaker's World Poker Championship game. A remote user can execute arbitrary code.

A remote user can send a specially crafted nickname that is longer than 256 bytes to the target server to trigger a buffer overflow. The overflow occurs in a sprintf() function call. Arbitrary code can be executed.

A demonstration exploit is available at:

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

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   No solution was available at the time of this entry.
Vendor URL:  moneymakergaming.com/ (Links to External Site)
Cause:   Boundary error
Underlying OS:  Windows (Any)

Message History:   None.


 Source Message Contents

Subject:  Buffer-overflow in Chris Moneymaker's World Poker Championship 1.0

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

                             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@autistici.org
              web:    http://aluigi.altervista.org


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


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


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

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


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


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

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


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.


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

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


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


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

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


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


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


--- 
Luigi Auriemma 
http://aluigi.altervista.org 
 
 


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