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http://jira.jboss.com/jira/browse/JBSEAM-1361?page=comments#action_12363343 ]
fguerzoni commented on JBSEAM-1361:
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By renewing sessionId after authentication, I will be sure that any pre-login sessionId,
eventually obtained during unencrypted http connection, will be sent to server.
After authentication, client sare ssl connected with server and sessionId will be
crypted.
I agree with Christian: "Session identifier hijacking does not depend on
authorization".
I think the problem is that clients could use, when authenticated, sessionId obtained when
they were unauthenticated, so potentially unencrypted.
I feel this situation as very dangerous.
sessionId cookie: man-in-the-middle attack
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Key: JBSEAM-1361
URL:
http://jira.jboss.com/jira/browse/JBSEAM-1361
Project: JBoss Seam
Issue Type: Feature Request
Components: Security
Affects Versions: 1.2.1.GA
Environment: general feature
Reporter: fguerzoni
Assigned To: Shane Bryzak
I noticed that sessionId cookie sent to client before authentication remains the same
even after login succedeed. This could lead to a man-in-the-middle attack because
pre-login sessionId could be easily sniffed.
So, it would be very nice if it should be possible to do a session switching on server
side forcing a pre-login session invalidation and a new session creation
(request.getSession(true)) as soon as client authenticates. Old session data should then
be copied to new session.
In this case a new sessionId cookie will be sent to client: client will use this ticket
during next requests.
This mechanism collides with the actual Seam implementations where Lifecycle.endSession
is called after a session.invalidate
I think that Seam should automatically execute this task during the authentication phase.
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