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Date: 17 May 2004 19:32:24 -0000
From: roozbeh afrasiabi <roozbeh_afrasiabi@...oo.com>
To: bugtraq@...urityfocus.com
Subject: Desktop.ini flaw results in executing folders




                            advisory#4
/--------------------------------------------------------------------/


Vendor:              Microsoft Corp.
product:             windows (only tested on winxp.pro.ed)
test machine:        win.xp.pro.ed ie.6 (fully patched)
Discovery by:        Roozbeh Afrasiabi 
                     [roozbeh_afrasiabi(At)yahoo(dot)com]
Risk:                med
Title:               Desktop.ini flaw results in executing
                     folders 

/--------------------------------------------------------------------/









TABLE OF CONTENTS:
==================

Description..............................................1

Exploit..................................................2

Contact info.............................................3

Disclaimer...............................................4










1)Description:
==================



Certain system folders on windows(XP) are created using desktop.ini by 
use of their CLSIDs , this is done by setting the CLSID value  of  the
shellclassinfo in desktop.ini to their assigned CLSIDs , however there
is no restriction to what CLSIDs are safe and can be used, this could 
bring up security issues when CLSIDs that point to executables are set
as the CLSID value.
This vulnerability effects IEXPLORE.EXE and EXPLORER.exe and may result
in execution of malicious code in the context of the currently logged 
in user.


2)Exploit
===========



http://www.freewebs.com/roozbeh_afrasiabi/xploit/execute.htm





3)Contact Info
==================

roozbeh_afrasiabi(at)yahoo(dot)com
da_stone_cold_killer(at)yahoo(dot)com
me@...sia-fars-shiraz

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4)Disclaimer
==================


Roozbeh Afrasiabi is not responsible for the misuse of the information  provided in this report. In  no event shall  the  author  be liable for any  damages whatsoever arising out of or in connection with the use or spread of this advisory. Any use of the information is at the user's own risk.





                                                                                                                                  All Rights Reserved




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