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Category:   Application (Security)  >   Cisco Secure Access Control System Vendors:   Cisco
Cisco Secure Access Control Server Input Validation Flaw in Web Interface Lets Remote Users Conduct Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1037835
SecurityTracker URL:  http://securitytracker.com/id/1037835
CVE Reference:   CVE-2017-3838   (Links to External Site)
Date:  Feb 15 2017
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Vendor Confirmed:  Yes  
Version(s): 5.8(2.5)
Description:   A vulnerability was reported in Cisco Secure Access Control Server. A remote user can conduct cross-site scripting attacks.

The web interface does not properly filter HTML code from user-supplied input before displaying the input. A remote user can cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the site running the Cisco Secure Access Control Server 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 ID CSCvc04838 to 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 Secure Access Control Server 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:   No solution was available at the time of this entry.

The vendor advisory is available at:

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170215-acs

Vendor URL:  tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170215-acs (Links to External Site)
Cause:   Input validation error
Underlying OS:  Windows (Any)

Message History:   None.


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