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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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