bugtraq - MSIE->NAFfileJPU

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Date: 10 Sep 2003 05:39:09 -0000
From: Liu Die Yu <liudieyuinchina@...oo.com.cn>
To: bugtraq@...urityfocus.com
Subject: MSIE->NAFfileJPU

NAFfileJPU

[tested]
Browser Ver
{ 
MS Internet Explorer: 6.0.2600.0000.xpclnt_qfe.021108-2107;
Encryption: 128-bit;
Patch:; Q810847; 
}
(So, it's far from fully patched.) 
OS Ver: "Windows XP Cn ver"

[demo]
http://www.safecenter.net/liudieyu/NAFfileJPU/NAFfileJPU-MyPage.HTM
or
http://umbrella.mx.tc 
---> NAFfileJPU section
---> NAFfileJPU-MyPage file

[exp]
try this Url in your browser:
file:javascript:alert(123)

yeah. "file" protocol is a good thing for bypassing
URL-based security check.
one vulnerable function is
"window.external.NavigateAndFind" method.

you should have already known this:
top window and its iframe/frame share the same
"external" object.
so, BadSon method to conquer the "external" object.

[how]
how to get "file:javascript:" trick?
think about "mhtml:http:" for a while and i believed
there would be more.

[greetings]
the Pull, dror, guninski, sandblad and "Friedrich L.Bauer".
of course, mom and dad.

best wishes

-----
from http://Umbrella.MX.TC on http://SafeCenter.NET