Vigil@nce - Cisco IOS XR: denial of service via OSPF LSA
November 2016 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer
SYNTHESIS OF THE VULNERABILITY
An attacker can send a malicious OSPF LSA packet to Cisco IOS XR,
in order to trigger a denial of service.
– Impacted products: Cisco Catalyst, IOS XR Cisco, Cisco Router.
– Severity: 2/4.
– Creation date: 29/09/2016.
DESCRIPTION OF THE VULNERABILITY
The Cisco IOS XR product has a service to manage received OSPF LSA
packets.
However, when a malicious packet is received, a fatal error occurs.
An attacker can therefore send a malicious OSPF LSA packet to
Cisco IOS XR, in order to trigger a denial of service.
ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/Cisco-IOS-XR-denial-of-service-via-OSPF-LSA-20729