bugtraq - Re: eyeOS checksum prediction

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Message-ID: <20070919035940.32177.qmail@securityfocus.com>
Date: 19 Sep 2007 03:59:40 -0000
From: jose@...os.org
To: bugtraq@...urityfocus.com
Subject: Re: eyeOS checksum prediction


I think that you don't understand the idea behind the checkNUM (is not a checkSUM ;) in the eyeOS ajax calls.

the checknum, is a number to protect eyeOS againt automatic requests, for example, if I'm using my eyeOS, my session is alive, and I enter another website, with iframes or something similar, for make a get to my eyeOS to delete a file, a file will be deleted, and this isn't good :)

the checknum DO NOT protect against yourself, the owner of a session, can know the checknum assigned to each app (each app have a different checknum)

Please, before send FALSE reports, you have to understand what you are auditing, thanks.