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Unity 3D Web Player <= 3.2.0.61061 Denial of Service

🗓️ 01 Jul 2014 00:00:00Reported by RootType 
seebug
 seebug
🔗 www.seebug.org👁 9 Views

Unity 3D Web Player <= 3.2.0.61061 heap corruption bu

Code

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

                             Luigi Auriemma

Application:  Unity 3D web player
              http://unity3d.com/webplayer/
Versions:     &#60;= 3.2.0.61061
Platforms:    Windows
Bug:          heap corruption
Exploitation: remote
Date:         21 Feb 2012
Author:       Luigi Auriemma
              e-mail: [email protected]
              web:    aluigi.org


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


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


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

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


Unity 3d is a game engine used in various games and it&#39;s web player
allows to play these games (unity3d extension) also directly from the
web browser.


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

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


Heap corruption caused by a negative 32bit size value which allows to
execute malicious code.

The provided proof-of-concept is not optimized but should show a write4
and, (tested on Firefox) EIP pointing to an invalid memory zone.


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

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


http://aluigi.org/poc/unity3d_1.zip
http://www.exploit-db.com/sploits/18512.zip


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

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


No fix.


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

                              

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01 Jul 2014 00:00Current
7.1High risk
Vulners AI Score7.1
9