Drupal Shibboleth authentication Module Access Bypass Vulnerability

http://www.securityfocus.com/bid/54913

Security Info

Bugtraq ID:	54913
Class:	Access Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	Aug 08 2012 12:00AM
Updated:	Aug 08 2012 12:00AM
Credit:	Brian Swaney
Vulnerable:	Drupal Shibboleth authentication 6.x-3.2 Drupal Shibboleth authentication 6.x-3.1 Drupal Shibboleth authentication 5.x-3.4 Drupal Shibboleth authentication 5.x-3.3

Not Vulnerable:

Security Discussion

The Shibboleth authentication module for Drupal is prone to an access-bypass vulnerability.

An attacker can exploit this issue to bypass certain security restrictions and gain access to sensitive areas of application to perform unauthorized actions; this may aid in launching further attacks.

Shibboleth authentication versions prior to 6.x-4.0-rc3 are vulnerable.

Proof of Concept and Security Exploits

Attackers can use a browser to exploit this issue.

Security Solution(s)

Solution:
Updates are available; please see the references for more information.

Security References(s)

References:

Drupal Homepage (Drupal)

Emagined Security Blog featuring Dr. Eugene Schultz

Secure Web Programming
by Vizual Services