OSEC

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Re: MS Internet Explorer 6.0 (mshtml.dll) Denial of Service Exploit

From: 3APA3A (3APA3ASECURITY.NNOV.RU)
Date: Tue Dec 05 2006 - 09:25:22 CST

Dear ajannhwthotmail.com,

First, array index overflow is usually very dangerous and is exploitable
to code execution in many cases.

Second, this one is not new. It was reported by Michal Zalewski in March
and is patched in current Internet Explorer versions:

http://www.security.nnov.ru/Ldocument832.html

Third, your 'examle' is very like Michal's one except he doesn't use
'lcamtuf'.

http://lcamtuf.coredump.cx/iedie.html

--Sunday, December 3, 2006, 10:27:03 PM, you wrote to bugtraqsecurityfocus.com:

ahc> [[DOS]]]------------------------------------------------------

ahc> All Events, (onclick,oneror,onmouseover,onload etc.)

ahc> Example:

ahc> Save to .html file
ahc> *(a)*

ahc> <a href=x onclick=ajann onclick=ajann onclick=ajann
ahc> onclick=ajann onclick=ajann onclick=ajann onclick=ajann

--
~/ZARAZA
http://www.security.nnov.ru/