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Category:   Device (Router/Bridge/Hub)  >   Cisco ASR Router Vendors:   Cisco
Cisco ASR 1000 Series Routers Fragmented Packet Processing Flaw Lets Remote Users Cause the Target System to Crash
SecurityTracker Alert ID:  1033131
SecurityTracker URL:  http://securitytracker.com/id/1033131
CVE Reference:   CVE-2015-4291   (Links to External Site)
Date:  Jul 30 2015
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.1.x - 2.5.x
Description:   A vulnerability was reported in Cisco ASR 1000 series routers. A remote user can cause the target device to reload.

A remote user can send a specially crafted sequence of IPv4 or IPv6 packets to the target IOS-XE ASR 1000 series device to cause the target Embedded Services Processor (ESP) to crash. As a result, the target device will reload.

The vendor has assigned bug ID CSCtd72617 to this vulnerability.

Impact:   A remote user can cause the target device to reload.
Solution:   The vendor has issued a fix (2.4.3, 2.5.1).

The vendor's advisory is available at:

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150730-asr1k

Vendor URL:  tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150730-asr1k (Links to External Site)
Cause:   State error

Message History:   None.


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