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Category:   Device (Router/Bridge/Hub)  >   Cisco NX-OS Vendors:   Cisco
Cisco NX-OS SNMP Processing Flaw Lets Remote Authenticated Users Cause the Target Device to Crash
SecurityTracker Alert ID:  1041921
SecurityTracker URL:  http://securitytracker.com/id/1041921
CVE Reference:   CVE-2018-0456   (Links to External Site)
Date:  Oct 18 2018
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Cisco NX-OS. A remote authenticated user can cause the target device to crash.

A remote authenticated user can send specially crafted Simple Network Management Protocol (SNMP) input to the target device to cause the device to reload.

The following models are affected:

Nexus 3000 Series - 7.0(3)I7(3)
Nexus 3600 Platform - 7.0(3)F3(4)
Nexus 9000 Series Switches in standalone NX-OS mode
Nexus 9500 R-Series Line Cards and Fabric Modules

The vendor has assigned bug ID CSCvj70029 to this vulnerability.

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

The vendor advisory is available at:

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-nxos-snmp

Vendor URL:  tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-nxos-snmp (Links to External Site)
Cause:   State error

Message History:   None.


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