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drupal: Session hijacking vulnerability, CVE-2008-3661
From: Hanno Böck <hanno () hboeck de>
Date: Sat, 20 Sep 2008 11:30:52 +0200

drupal: Session hijacking vulnerability, CVE-2008-3661




When configuring a web application to use only ssl (e. g. by forwarding all 
http-requests to https), a user would expect that sniffing and hijacking the 
session is impossible.

Though, for this to be secure, one needs to set the session cookie to have the 
secure flag. Else the cookie will be transferred through http if the victim's 
browser does a single http-request on the same domain.

The drupal CMS is vulnerable to this issue. They don't consider this as a 
drupal issue and have not published a fix yet.

Disclosure Timeline

2008-08-13: Vendor contacted
2008-09-20 Published advisory

Credits and copyright

This vulnerability was discovered by Hanno Boeck of schokokeks.org webhosting. 
It's licensed under the creative commons attribution license.

Hanno Boeck, http://www.hboeck.de

Hanno Böck              Blog:           http://www.hboeck.de/
GPG: 3DBD3B20           Jabber/Mail:    hanno () hboeck de

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