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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2008.0775 -- [Win][UNIX/Linux] Blackboard Academic Suite multiple scripts cross-site request forgery 4 August 2008 =========================================================================== 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 - --------------------------BEGIN INCLUDED TEXT-------------------- 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 author/distributor (Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or 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 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 If you believe that your computer system has been compromised or attacked in any way, we encourage you to let us know by completing the secure National IT Incident Reporting Form at: http://www.auscert.org.au/render.html?it=3192 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQCVAwUBSJaYeyh9+71yA2DNAQK+bQQAj6zBqRH+HZNzpUA+UCD3Dn5dkfeVPTKO MSmvMEqq55uZluGV1//JA4mKnuF+JQnpeMlxEBlD2lQbZBFI0VTBAhGR5ZTd2waO tu1IL+BDACztloMdRY41p6d2mw+LY221VNkC5Dz67dt/JJfFjl9Npn+8ygOJ/Knz NH5LRHcxODI= =kxY5 -----END PGP SIGNATURE-----