Exploit Unreal Tournament 3 2.1 - 'STEAMBLOB' Remote Denial of Service

Exploiter

Хакер
34,644
0
18 Дек 2022
EDB-ID
14414
Проверка EDB
  1. Пройдено
Автор
LUIGI AURIEMMA
Тип уязвимости
DOS
Платформа
WINDOWS
CVE
null
Дата публикации
2010-07-20
Код:
#Original Advisory: http://aluigi.org/adv/ut3steamer-adv.txt
#
#######################################################################

                             Luigi Auriemma

Application:  Unreal Tournament III
              http://www.unrealtournament3.com
Versions:     <= 2.1 (aka 3809)
Platforms:    Windows (tested) and Linux
Bug:          unitialized pointer
Exploitation: remote, versus server
Date:         17 Jul 2010
Author:       Luigi Auriemma
              e-mail: [email protected]
              web:    aluigi.org


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


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


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

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


Unreal Tournament III is currently the latest game (2007) of the Unreal
series created by Epic Games (http://www.epicgames.com).


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


The game implements a particular command called STEAMBLOB which is
handled in any case even if Steam is not running.

This command accepts three arguments that are C, N and B and just this
last one (doesn't matter what value it has) is the cause of a problem
during the handling of some pointers that are left unitialized.
The effect is the crash of the whole server due to the access to
invalid memory or a NULL pointer.

It's enough only one UDP packet to exploit the vulnerability so there
are no limitations.


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


http://aluigi.org/fakep/unrealfp.zip
https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/14414.zip (unrealfp.zip)

  unrealfp -x 2 -c "STEAMBLOB B=" SERVER PORT


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


No fix.


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Источник
www.exploit-db.com

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