News
Vigil@nce - Cisco IOS XR, ASR 9000: denial of service via DHCPv4
April 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 DHCPv4 packet to Cisco IOS XR on
ASR 9000, in order to trigger a denial of service.
– Impacted products: Cisco ASR, IOS XR
– Severity: 2/4
– Creation date: 26/03/2015
DESCRIPTION OF THE VULNERABILITY
The Cisco IOS XR on ASR 9000 product has a service to manage
DHCPv4 packets.
However, when a malicious packet is received, a fatal error occurs.
An attacker can therefore send a malicious DHCPv4 packet to Cisco
IOS XR on ASR 9000, in order to trigger a denial of service.
ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN
http://vigilance.fr/vulnerability/Cisco-IOS-XR-ASR-9000-denial-of-service-via-DHCPv4-16478
