exploit the possibilities

usurdat.txt

usurdat.txt
Posted Jul 1, 2008
Authored by Luigi Auriemma | Site aluigi.org

SOLDNER - Secret Wars versions 33724 and below suffer from an endless loop vulnerability.

tags | advisory
MD5 | f3e825059f7ccedff30e8299e56ab72c

usurdat.txt

Change Mirror Download

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

Luigi Auriemma

Application: SÖLDNER - Secret Wars
http://www.secretwars.net
http://soldner.jowood.com
Versions: <= 33724
Platforms: Windows
Bug: endless loop
Exploitation: remote, versus server
Date: 01 Jul 2008
Author: Luigi Auriemma
e-mail: aluigi@autistici.org
web: aluigi.org


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


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


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

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


SÖLDNER is a tactical military game developed by Wings Simulations
and released in May 2004.


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

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


Each UDP packet for this game can contain various blocks of data.
The type 0x80 forces the server to perform a cycle from zero to the 32
bit number (so max 0xffffffff) specified in that data block.
The maximum size of a packet supported by the game is 1400 bytes in
which is possible to place max 233 blocks of this type causing the
freeze of a server for over 2 hours (tested with a fast CPU).


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

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


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


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

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


No fix


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


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