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Vigil@nce - Cisco Catalyst: denial of service via IPv6 Neighbor Discovery
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 IPv6 Neighbor Discovery packets to
Cisco Catalyst, in order to trigger a denial of service.
– Impacted products: Cisco Catalyst, IOS by Cisco.
– Severity: 2/4.
– Creation date: 19/01/2017.
DESCRIPTION OF THE VULNERABILITY
The Cisco Catalyst product has a service to manage received IPv6
Neighbor Discovery packets.
However, when malicious IPv6 Neighbor Discovery packets are
received, a fatal error occurs.
An attacker can therefore send malicious IPv6 Neighbor Discovery
packets to Cisco Catalyst, in order to trigger a denial of service.
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