OSEC

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Subject: More information on MS00-044
From: rain forest puppy (rfpWIRETRIP.NET)
Date: Fri Aug 04 2000 - 10:39:00 CDT


I just wanted to drop a note to see if anyone else has any more
information on the '+.htr' vulnerability. So many people have been trying
it against me, I decided to look into it. :)

From what I can tell, it's a pretty effective bug, returning the source of
the page. HOWEVER, it seems that it will stop at the first '<%' it
encounters. For those of you that program in ASP, you'll know that <% %>
are the server-side script delimiters. So this effectively keeps you from
seeing source...or does it...?

I've noticed that if you use the <script runat=server></script>
delimiters, which function in the same manner as <% %>, you will get the
source. Well, up to any other '<%' existing in the same page.

Does anyone have any contrary results?

- rain forest puppy

ps. whisker v1.4 was released on my site. http://www.wiretrip.net/rfp/