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Category:   Device (Router/Bridge/Hub)  >   Cisco IOS Vendors:   Cisco
Cisco IOS/IOS XE IKEv2 Processing Flaw Lets Remote Users Cause the Target System to Reload
SecurityTracker Alert ID:  1039460
SecurityTracker URL:  http://securitytracker.com/id/1039460
CVE Reference:   CVE-2017-12237   (Links to External Site)
Date:  Sep 27 2017
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Cisco IOS/IOS XE. A remote user can cause the target system to reload.

A remote user can send specially crafted Internet Key Exchange Version 2 (IKEv2) packets to the target system to cause excessive CPU consumption on the target system, trigger traceback messages, or cause the target system to reload.

The vendor has assigned bug IDs CSCvc12306 and CSCvc41277 to this vulnerability.

Impact:   A remote user can cause excessive CPU consumption, trigger traceback messages, or 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-20170927-ike

Vendor URL:  tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170927-ike (Links to External Site)
Cause:   State error

Message History:   None.


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