Vigil@nce - Cisco IOS XE: denial of service via Cisco Discovery Protocol
November 2015 by Vigil@nce
This bulletin was written by Vigil@nce : http://vigilance.fr/offer
SYNTHESIS OF THE VULNERABILITY
An attacker can send a malicious Cisco Discovery Protocol packet
to Cisco IOS XE, in order to trigger a denial of service.
– Impacted products: Cisco Catalyst, IOS Cisco, IOS XE Cisco.
– Severity: 2/4.
– Creation date: 17/09/2015.
DESCRIPTION OF THE VULNERABILITY
The Cisco IOS XE product has a service to manage received Cisco
Discovery Protocol packets.
However, when a malicious packet is received, a fatal error occurs.
An attacker can therefore send a malicious Cisco Discovery
Protocol packet to Cisco IOS XE, in order to trigger a denial of
service.
ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN
http://vigilance.fr/vulnerability/Cisco-IOS-XE-denial-of-service-via-Cisco-Discovery-Protocol-17918