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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


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