Vigil@nce - Junos OS: denial of service via DHCPv6
December 2018 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer
SYNTHESIS OF THE VULNERABILITY
An attacker can send malicious DHCPv6 packets to Junos OS, in order to trigger a denial of service.
Impacted products: Juniper EX-Series, Juniper J-Series, Junos OS, SRX-Series.
Consequences: denial of service on server, denial of service on service.
Confidence: confirmed by the editor (5/5).
Creation date: 11/10/2018.
DESCRIPTION OF THE VULNERABILITY
The Junos OS product has a service to manage received DHCPv6 packets.
However, when malicious DHCPv6 packets are received, a fatal error occurs.
An attacker can therefore send malicious DHCPv6 packets to Junos OS, in order to trigger a denial of service.
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