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             AUSCERT External Security Bulletin Redistribution

                    ESB-2008.0775 -- [Win][UNIX/Linux]
   Blackboard Academic Suite multiple scripts cross-site request forgery
                               4 August 2008

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:              Blackboard Academic Suite 8
Publisher:            ISS
Operating System:     Windows
                      UNIX variants (UNIX, Linux, OSX)
Impact:               Cross-site Request Forgery
Access:               Remote/Unauthenticated
CVE Names:            CVE-2008-3421

Original Bulletin:    http://xforce.iss.net/xforce/xfdb/43986

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Blackboard Academic Suite multiple scripts cross-site request forgery
blackboard-multiple-csrf (43986)
 	The risk level is classified as Medium Risk

Description:

Blackboard Academic Suite is vulnerable to cross-site request forgery,
caused by improper validation of user-supplied input by the update_module.jsp,
unenroll.jsp, and enroll_course.pl scripts. By persuading a victim to visit a
specially-crafted Web site, a remote attacker could send a malformed HTTP
request to cause the victim to enroll users in courses or perform other
arbitrary tasks. An attacker could exploit this vulnerability to perform
cross-site scripting attacks, Web cache poisoning, and other malicious
activities..

Platforms Affected:

    * Blackboard, Blackboard Academic Suite 8.0

Remedy:

No remedy available as of August 2, 2008.

Consequences:

Gain Access

References:

    * Blackboard Web site, Blackboard Academic Suite at
         http://www.blackboard.com/products/Academic_Suite/index.
    * Mark Janssen Web site, Blackboard cross-site request forgeries at
         http://ceaseless.ws/bb-csrf/.
    * CVE-2008-3421: Multiple cross-site request forgery (CSRF)
      vulnerabilities in Blackboard Academic Suite 8.0.260.7 allow remote
      attackers to change a student's configuration and enrollments via (1)
      update_module.jsp, (2) enroll_course.pl, and (3) unenroll.jsp.
    * SA31177: Blackboard Academic Suite Cross-Site Request Forgery
      Vulnerabilities

Reported:

Jul 25, 2008

The information within this database may change without notice. Use of this
information constitutes acceptance for use in an AS IS condition. There are NO
warranties, implied or otherwise, with regard to this information or its use.
Any use of this information is at the user's risk. In no event shall the
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spread of this information.

Copyright (c) 1994-2008 Internet Security Systems, Inc. All rights reserved
worldwide.

For corrections or additions please email xforce@iss.net

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