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Category:   Application (Generic)  >   Blackboard Vendors:   Blackboard
Blackboard Academic Suite Input Validation Flaw in User Directory Search Permits Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1025574
SecurityTracker URL:  http://securitytracker.com/id/1025574
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  May 28 2011
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): 8.0.494.0; possibly other versions
Description:   A vulnerability was reported in Blackboard Academic Suite. A remote user can conduct cross-site scripting attacks.

The User Directory Search function does not properly filter HTML code from user-supplied input in the 'keywordraw' parameter before displaying the input. A remote user can create a specially crafted URL that, when loaded by a target user, will cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the site running the Blackboard software and will run in the security context of that site. As a result, the code will be able to access the target user's cookies (including authentication cookies), if any, associated with the site, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

The original advisory is available at:

https://www.upsploit.com/index.php/advisories/view/UPS-2011-0009

Matt Jezorek reported this vulnerability.

Impact:   A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the Blackboard software, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.
Solution:   The vendor has issued a fix (reportedly described in AS-157512 and AS-157506).
Vendor URL:  www.blackboard.com/ (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Red Hat Enterprise), Linux (Red Hat Linux), UNIX (Solaris - SunOS), Windows (2000), Windows (2003)

Message History:   None.


 Source Message Contents



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