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computer vulnerability alert CVE-2018-0055

Junos OS: denial of service via DHCPv6

Synthesis of the vulnerability

An attacker can send malicious DHCPv6 packets to Junos OS, in order to trigger a denial of service.
Vulnerable systems: Juniper EX-Series, Juniper J-Series, Junos OS, SRX-Series.
Severity of this threat: 2/4.
Consequences of an attack: denial of service on server, denial of service on service.
Pirate's origin: LAN.
Creation date: 11/10/2018.
Références of this weakness: CERTFR-2018-AVI-487, CVE-2018-0055, JSA10889, VIGILANCE-VUL-27476.

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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