Vigil@nce - Cisco Nexus: denial of service via IS-IS
March 2017 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer
SYNTHESIS OF THE VULNERABILITY
An attacker can send malicious IS-IS packets to Cisco Nexus, in
order to trigger a denial of service.
– Impacted products: Nexus by Cisco, NX-OS.
– Severity: 2/4.
– Creation date: 19/01/2017.
DESCRIPTION OF THE VULNERABILITY
The Cisco Nexus product has a service to manage received IS-IS
packets.
However, when malicious IS-IS packets are received, a fatal error
occurs.
An attacker can therefore send malicious IS-IS packets to Cisco
Nexus, in order to trigger a denial of service.
ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/Cisco-Nexus-denial-of-service-via-IS-IS-21625