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| Subject: | Re: SessionId Prediction - Classic ASP - Tool? |
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| Date: | Sat, 23 Feb 2008 12:52:09 +0100 |
Hi Jay, Il giorno ven, 22/02/2008 alle 11.36 -0500, Jay ha scritto:
How is it known that 706616434 equates to ASPSESSIONIDGQQGQGCS=JHMBOBKCBINEHLPKJHOPABBE?
have a look at http://www.cgisecurity.com/lib/SessionIDs.pdf ".. IIS ASP SessionID Session ID values are 32-bit long integers. Each time the Web server is restarted, a random session ID starting value is selected. For each new ASP session that is created, the session ID value is incremented. The 32-bit session ID is mixed with random data and encrypted to generate a 16character cookie string. Later, when a cookie is received, the session ID is decrypted from the 16-character cookie string. The encryption key is randomly selected each time the Web server is restarted. .." Cheers, Stefano -- ...oOOo...oOOo.... Stefano Di Paola Software & Security Engineer Owasp Italy R&D Director Web: www.wisec.it .................. ------------------------------------------------------------------------ This list is sponsored by: Cenzic Need to secure your web apps NOW? Cenzic finds more, "real" vulnerabilities fast. Click to try it, buy it or download a solution FREE today! http://www.cenzic.com/downloads ------------------------------------------------------------------------
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