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Arrow  Topic :

CellFactor Revolution Format String and Buffer Overflow


Arrow  SecurityAlert : 3130
Arrow  CVE : CVE-2007-4838
Arrow  CVE : CVE-2007-4832
Arrow  SecurityRisk : High  Security Risk High  (About)
Arrow  Remote Exploit : Yes
Arrow  Local Exploit : No
Arrow  Exploit Available : Yes
Arrow  Credit : Luigi Auriemma
Arrow  Published : 14.09.2007

Arrow  Affected Software : CellFactor Revolution <= 1.03



Arrow  Advisory Content :  

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

Luigi Auriemma

Application: CellFactor Revolution
http://www.cellfactorrevolution.com
Versions: <= 1.03
Platforms: Windows
Bugs: A] format string
B] buffer-overflow
Exploitation: remote, versus server
Date: 07 Sep 2007
Author: Luigi Auriemma
e-mail: aluigi@autistici.org
web: aluigi.org


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


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


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

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


CellFactor Revolution is a full freeware game realized for showing the
power of the Ageia PhysX cards but it can be played on systems which
don't have them.
The game supports also multiplayer through LAN and direct IP.
CellFactor is developed by Artificial Studios and uses their Reality
Engine.


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

=======
2) Bugs
=======

----------------
A] format string
----------------

A format string vulnerability is exploitable through malformed clients
nicknames.


------------------
B] buffer-overflow
------------------

A buffer-overflow is exploitable through the message packets 0x21, 0x22
and 0x23.


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

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


http://aluigi.org/poc/cellfucktor.zip


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

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


No fix.
Seems that the game is no longer supported and the mail address
bugs@artificialstudios.com is unexistent.


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





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