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computer vulnerability announce CVE-2018-0034

Junos OS: denial of service via IPv6 DHCP

Synthesis of the vulnerability

An attacker can send malicious IPv6 DHCP packets to Junos, in order to trigger a denial of service.
Impacted systems: Juniper EX-Series, Junos OS, SRX-Series.
Severity of this alert: 2/4.
Consequences of an intrusion: denial of service on server, denial of service on service.
Pirate's origin: LAN.
Creation date: 12/07/2018.
Références of this alert: CERTFR-2018-AVI-339, CVE-2018-0034, JSA10868, VIGILANCE-VUL-26717.

Description of the vulnerability

The Junos product has a service to manage received IPv6 DHCP packets.

However, when malicious IPv6 DHCP packets are received, a fatal error occurs.

An attacker can therefore send malicious IPv6 DHCP packets to Junos, in order to trigger a denial of service.
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