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Vigil@nce - Cisco NX-OS: denial of service via SNMP

December 2018 by Vigil@nce

This bulletin was written by Vigil@nce : https://vigilance.fr/offer

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: 2/4.

Consequences: denial of service on server, denial of service on
service.

Provenance: user account.

Confidence: confirmed by the editor (5/5).

Creation date: 18/10/2018.

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.

ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN

https://vigilance.fr/vulnerability/Cisco-NX-OS-denial-of-service-via-SNMP-27561


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