WebApp Sec mailing list archives

Re: How to create (hijacking) secure HTTP sessions?


From: "Nathan Keltner" <shiftnato () gmail com>
Date: Wed, 7 Jun 2006 10:43:00 -0500

On 6/7/06, Michael Decker <MDecker () tesis de> wrote:
> Do not mix SSL sections with non-SSL sections.

What do you mean by this?

If session information for an SSL area is ever moved into a non-SSL
area (and the session info is still valid for SSL areas), that's bad.

For example, you login to a secure section of your ecommerce site but
then browse to a non-secure section and your session ID travels along
with you for tracking purposes.  If the session ID ever hits a non-SSL
area, you have to invalidate it for all SSL areas and require the user
to log back in.  One way to do that is to just keep them entirely
separate, but its not necessarily required, as long as the session ID
no longer is valid for SSL areas.

Regards,
Nathan Keltner

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