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Category:   Application (Generic)  >   Cisco WebEx Meeting Center Vendors:   Cisco
Cisco WebEx Meeting Center Input Validation Flaw Lets Remote Users Conduct Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1039918
SecurityTracker URL:  http://securitytracker.com/id/1039918
CVE Reference:   CVE-2017-12366   (Links to External Site)
Date:  Nov 30 2017
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  

Description:   A vulnerability was reported in Cisco WebEx Meeting Center. A remote user can conduct cross-site scripting attacks.

The software does not properly filter HTML code from user-supplied input 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 Cisco WebEx Meeting Center 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 vendor has assigned bug IDs CSCvf78635 and CSCvg52440 to this vulnerability.

Adam Willard of Blue Canopy and Chacko K. Abraham 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 Cisco WebEx Meeting Center 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.

The vendor advisory is available at:

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-webex5

Vendor URL:  tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-webex5 (Links to External Site)
Cause:   Input validation error

Message History:   None.


 Source Message Contents

Subject:  https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-webex5

 
 


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