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Vigil@nce - Drupal CAS Server: ticket replay
April 2014 by Vigil@nce
This bulletin was written by Vigil@nce : http://vigilance.fr/offer
SYNTHESIS OF THE VULNERABILITY
An attacker, who captured a ticket, can replay it on Drupal CAS
Server, in order to escalate his privileges.
Impacted products: Drupal Modules
Severity: 2/4
Creation date: 03/04/2014
DESCRIPTION OF THE VULNERABILITY
The CAS Server module can be installed on Drupal, to provide
authentication features.
However, if Drupal pages are cached, single-use authentication
tickets are also kept.
An attacker, who captured a ticket, can therefore replay it on
Drupal CAS Server, in order to escalate his privileges.
ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN
http://vigilance.fr/vulnerability/Drupal-CAS-Server-ticket-replay-14515
