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Category:   Device (Router/Bridge/Hub)  >   Cisco Wireless LAN Controller Vendors:   Cisco
Cisco Wireless LAN Controller RADIUS CoA Packet Processing Flaw Lets Remote Users Deny Service
SecurityTracker Alert ID:  1038188
SecurityTracker URL:  http://securitytracker.com/id/1038188
CVE Reference:   CVE-2016-9195   (Links to External Site)
Date:  Apr 5 2017
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 8.3(102.0)
Description:   A vulnerability was reported in Cisco Wireless LAN Controller. A remote user can cause denial of service conditions on the target system.

A remote user can send a specially crafted RADIUS Change of Authorization (CoA) request to trigger an input validation flaw and cause a single connection through the target WLC to be disconnected.

The vendor has assigned bug ID CSCvb01835 to this vulnerability.

Impact:   A remote user can cause a single connection to be disconnected.
Solution:   The vendor has issued a fix (8.3(102.3)).

The vendor advisory is available at:

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170405-wlc1

Vendor URL:  tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170405-wlc1 (Links to External Site)
Cause:   Input validation error

Message History:   None.


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