bugtraq - Endless loop in Soldner 33724

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [day] [month] [year] [list]

Message-Id: <20080701015244.3dbd600e.aluigi@autistici.org>
Date: Tue, 1 Jul 2008 01:52:44 +0100
From: Luigi Auriemma <aluigi@...istici.org>
To: bugtraq@...urityfocus.com, full-disclosure@...ts.grok.org.uk,
	packet@...ketstormsecurity.org, cert@...t.org, news@...uriteam.com
Subject: Endless loop in Soldner 33724


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

                             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@...istici.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