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Message-ID: <20041027184500.26d1429d.aluigi@autistici.org>
Date: Wed, 27 Oct 2004 18:45:00 +0000
From: Luigi Auriemma <aluigi@...istici.org>
To: bugtraq@...urityfocus.com, bugs@...uritytracker.com,
news@...uriteam.com, full-disclosure@...ts.netsys.com,
vuln@...unia.com
Subject: Crashs in Master of Orion III 1.2.5
#######################################################################
Luigi Auriemma
Application: Master of Orion III
http://moo3.quicksilver.com
Versions: <= 1.2.5
Platforms: Windows and MacOS
Bugs: - allocation error
- big nicknames crash
Exploitation: remote, versus server
Date: 27 October 2004
Author: Luigi Auriemma
e-mail: aluigi@...ervista.org
web: http://aluigi.altervista.org
#######################################################################
1) Introduction
2) Bugs
3) The Code
4) Fix
#######################################################################
===============
1) Introduction
===============
Master of Orion III is a spatial strategy game developed by Quicksilver
(http://www.quicksilver.com) and released in February 2003.
#######################################################################
=======
2) Bugs
=======
-------------------
A] allocation error
-------------------
Each data block exchanged between clients and server is preceded by a
32 bits number used to specify its size.
This amount of data is automatically allocated by the game and if it is
too big, and so unallocable, the game automatically exits.
----------------------
B] big nicknames crash
----------------------
The game uses some anti buffer-overflow protections but if an attacker
makes multiple consecutive connections (variable between 1 and 10)
using big nicknames, the game crashs.
#######################################################################
===========
3) The Code
===========
http://aluigi.altervista.org/poc/moo3boom.zip
#######################################################################
======
4) Fix
======
No fix.
Developers will not fix this problem unless there are significant
incidents reported.
#######################################################################
---
Luigi Auriemma
http://aluigi.altervista.org
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