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Vulnerability of Cisco NX-OS: denial of service via SNMP

Synthesis of the vulnerability 

An attacker can send malicious SNMP packets to Cisco NX-OS, in order to trigger a denial of service.
Impacted products: Nexus by Cisco, NX-OS.
Severity of this bulletin: 2/4.
Creation date: 18/10/2018.
Références of this threat: CERTFR-2018-AVI-502, cisco-sa-20181017-nxos-snmp, CSCvj70029, CVE-2018-0456, VIGILANCE-VUL-27561.

Description of the vulnerability 

The Cisco NX-OS product has a service to manage received SNMP packets.

However, when malicious SNMP packets are received, a fatal error occurs.

An attacker can therefore send malicious SNMP packets to Cisco NX-OS, in order to trigger a denial of service.
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This vulnerability note impacts software or systems such as Nexus by Cisco, NX-OS.

Our Vigil@nce team determined that the severity of this cybersecurity vulnerability is medium.

The trust level is of type confirmed by the editor, with an origin of user account.

An attacker with a expert ability can exploit this computer threat note.

Solutions for this threat 

Cisco NX-OS: solution CSCvj70029.
The solution is described on the Cisco site:
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj70029
  https://tools.cisco.com/bugsearch/bug/CSCvj70029
  https://tools.cisco.com/quickview/bug/CSCvj70029
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