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Redirectors: the phantom menace
From: "MustLive" <mustlive () websecurity com ua>
Date: Sun, 27 Jun 2010 23:45:11 +0300

Hello participants of Full-Disclosure!

Additional information for those who read my article (and who still didn't 
they can do it) Redirectors: the phantom menace 
(http://lists.grok.org.uk/pipermail/full-disclosure/2009-September/070901.html).

In addition to previous 12 attacks via open redirectors this year I added
three new attacks (and soon would add more).

To before-mentioned attacks the redirectors also can be used:

- For conducting of XSS attacks via PDF files, which I wrote about in post
regarding Script Injection in Adobe Acrobat
(http://www.webappsec.org/lists/websecurity/archive/2010-01/msg00049.html).

- For conducting of DoS attacks on browsers via redirection to mailto: URL,
which I wrote about in post DoS in Firefox, Internet Explorer, Chrome, Opera
and other browsers (http://websecurity.com.ua/4206/). This concerns both
open redirectors and closed redirectors
(http://lists.grok.org.uk/pipermail/full-disclosure/2009-September/070901.html).

- For bypassing of restrictions on URL at HTML Injection attacks,
particularly Link Injection. As in case of vulnerability at news.yahoo.com
(http://websecurity.com.ua/3723/). In contrast to bypass of protection
filters at using of closed redirectors (attack #10), in this case not
external redirector is using, but internal one (at this site, or at the site
from allowed list).

Best wishes & regards,
MustLive
Administrator of Websecurity web site
http://websecurity.com.ua 


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