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Luigi Auriemma
Applications: America's Army
http://www.americasarmy.com
Versions: <= 2.8.3.1
Platforms: Windows (tested), Linux and Mac
Bug: server termination due to failed assertion
Exploitation: remote, versus server
Date: 02 Aug 2008
Author: Luigi Auriemma
e-mail: aluigi@autistici.org
web: aluigi.org
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1) Introduction
2) Bug
3) The Code
4) Fix
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1) Introduction
===============
From Wikipedia:
"America's Army (also known as AA or Army Game Project) is a tactical
multiplayer first-person shooter owned by the United States Government
and released as a global public relations initiative to help with U.S.
Army recruitment."
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2) Bug
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The AA server can be terminated remotely through a specific single
spoofable UDP packet which leads to a failed assertion:
"Assertion failed: VoiceIndex<VOICE_MAX_CHATTERS"
Note: this bug is the same I found and disclosed in Unreal Tournament
2004 some days ago and which affects some other games too (ut2004null).
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3) The Code
===========
http://aluigi.org/poc/armynchia.zip
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4) Fix
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No fix
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---
Luigi Auriemma
http://aluigi.org
http://backup.aluigi.org
http://mirror.aluigi.org
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