BugTraq
Desktop.ini flaw results in executing folders May 17 2004 07:32PM
roozbeh afrasiabi (roozbeh_afrasiabi yahoo com)


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

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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@persia-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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