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Category:   Device (Router/Bridge/Hub)  >   Cisco Wireless LAN Controller Vendors:   Cisco
Cisco 3500, 5500, and 8500 Series Wireless LAN Controller IPv4 Fragment Processing Bug Lets Remote Users Cause the Target System to Reload
SecurityTracker Alert ID:  1040821
SecurityTracker URL:  http://securitytracker.com/id/1040821
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  May 3 2018
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 3500, 5500, and 8500 Series
Description:   A vulnerability was reported in Cisco 3500, 5500, and 8500 Series Wireless LAN Controllers. A remote user can cause the target system to reload.

A remote user can send specially crafted IPv4 fragments to the target device to trigger a data structure corruption error and cause the target device to reload.

The vendor has assigned bug ID CSCvf89222 to this vulnerability.

Impact:   A remote user can cause the target system to reload.
Solution:   The vendor has issued a fix.

The vendor advisory is available at:

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180502-wlc-ip

Vendor URL:  tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180 (Links to External Site)
Cause:   Access control error

Message History:   None.


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