Date: Thu, 13 Jan 2005 21:16:25 +0000
From: Luigi Auriemma <aluigi@autistici.org.>
To: bugtraq@securityfocus.com, bugs@securitytracker.com,
Subject: Server crash in Breed patch #1
Message-Id: <20050113211625.6da7fb1d.aluigi@autistici.org.>
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Luigi Auriemma
Application: Breed
http://www.brat-designs.com/breed.html
Versions: <= patch #1
Platforms: Windows
Bug: access to NULL pointer
Exploitation: remote, versus server
Date: 13 Jan 2005
Author: Luigi Auriemma
e-mail: aluigi@autistici.org
web: http://aluigi.altervista.org
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1) Introduction
2) Bug
3) The Code
4) Fix
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===============
1) Introduction
===============
Breed is a game developed by Brat Designs (http://www.brat-designs.com)
using their Mercury engine.
It has been released in February 2004.
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2) Bug
======
The game server can be easily crashed through the sending of an empty
UDP packet.
In fact if the packet size is equal to zero, the game passes a NULL
pointer to the function used to parse the packet's content.
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===========
3) The Code
===========
http://aluigi.altervista.org/poc/breedzero.zip
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4) Fix
======
No fix.
No reply from the vendor.
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---
Luigi Auriemma
http://aluigi.altervista.org
