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Category:   Device (Router/Bridge/Hub)  >   Cisco IOS Vendors:   Cisco
Cisco IOS/IOS XE IKEv2 Fragment Processing Bug Lets Remote Users Cause the Target Device to Reload
SecurityTracker Alert ID:  1035382
SecurityTracker URL:  http://securitytracker.com/id/1035382
CVE Reference:   CVE-2016-1344   (Links to External Site)
Date:  Mar 23 2016
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): IOS, IOS XE
Description:   A vulnerability was reported in Cisco IOS and IOS XE. A remote user can cause the target device to reload.

A remote user can send specially crafted, fragmented Internet Key Exchange (IKE) version 2 (v2) packets to the target device via UDP to cause the target device to reload.

Systems with IKEv2 fragmentation enabled are affected.

The vendor has assigned bug ID CSCux38417 to this vulnerability.

David Barksdale, Jordan Gruskovnjak, and Alex Wheeler of Exodus Intelligence reported a related issue that lead to the discovery of this vulnerability.

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

The vendor's advisory is available at:

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160323-ios-ikev2

Vendor URL:  tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160323-ios-ikev2 (Links to External Site)
Cause:   State error

Message History:   None.


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