Vigil@nce - Cisco IOS XR: denial of service via ICMPv6 Redirect
April 2014 by Vigil@nce
This bulletin was written by Vigil@nce : http://vigilance.fr/offer
SYNTHESIS OF THE VULNERABILITY
An attacker can send ICMPv6 Redirect packets to Cisco IOS XR, in
order to trigger a denial of service of IPv4 and IPv6 streams.
– Impacted products: Cisco ASR, IOS XR
– Severity: 2/4
– Creation date: 04/04/2014
DESCRIPTION OF THE VULNERABILITY
An ICMPv6 Redirect packet indicates a new gateway.
However, ICMPv6 Redirect packets processing slow down IOS XR.
An attacker can therefore send ICMPv6 Redirect packets to Cisco
IOS XR, in order to trigger a denial of service of IPv4 and IPv6
streams.
ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN
http://vigilance.fr/vulnerability/Cisco-IOS-XR-denial-of-service-via-ICMPv6-Redirect-14531