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Vigil@nce - Cisco ASR 9000: denial of service via DHCPv6

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 DHCPv6 packet to Cisco ASR 9000,
in order to trigger a denial of service.

Impacted products: Cisco ASR, IOS XR Cisco.

Severity: 2/4.

Creation date: 21/09/2015.

DESCRIPTION OF THE VULNERABILITY

The Cisco ASR 9000 product has a service to manage received DHCPv6
packets.

However, when a malicious packet is received, a fatal error occurs.

An attacker can therefore send a malicious DHCPv6 packet to Cisco
ASR 9000, in order to trigger a denial of service.

ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN

http://vigilance.fr/vulnerability/Cisco-ASR-9000-denial-of-service-via-DHCPv6-17937


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