CVE-2019-0068

The SRX flowd process, responsible for packet forwarding, may crash and restart when processing specific multicast packets. By continuously sending the specific multicast packets, an attacker can repeatedly crash the flowd process causing a sustained Denial of Service. This issue affects Juniper Networks Junos OS on SRX Series: 12.3X48 versions prior to 12.3X48-D90; 15.1X49 versions prior to 15.1X49-D180; 17.3 versions; 17.4 versions prior to 17.4R2-S5, 17.4R3; 18.1 versions prior to 18.1R3-S6; 18.2 versions prior to 18.2R2-S4, 18.2R3; 18.3 versions prior to 18.3R2-S1, 18.3R3; 18.4 versions prior to 18.4R2; 19.1 versions prior to 19.1R1-S1, 19.1R2.

The SRX flowd process, responsible for packet forwarding, may crash and restart when processing specific multicast packets. By continuously sending the specific multicast packets, an attacker can repeatedly crash the flowd process causing a sustained Denial of Service. This issue affects Juniper Networks Junos OS on SRX Series: 12.3X48 versions prior to 12.3X48-D90; 15.1X49 versions prior to 15.1X49-D180; 17.3 versions; 17.4 versions prior to 17.4R2-S5, 17.4R3; 18.1 versions prior to 18.1R3-S6; 18.2 versions prior to 18.2R2-S4, 18.2R3; 18.3 versions prior to 18.3R2-S1, 18.3R3; 18.4 versions prior to 18.4R2; 19.1 versions prior to 19.1R1-S1, 19.1R2.

El proceso flowd SRX, responsable del reenvío de paquetes, puede bloquearse y reiniciarse cuando se procesan paquetes de multidifusión específicos. Mediante el envío de manera continua de los paquetes de multidifusión específicos, un atacante puede bloquear repetidamente el proceso flowd causando una Denegación de Servicio sostenida. Este problema afecta al Juniper Networks Junos OS en la serie SRX: versiones 12.3X48 anteriores a 12.3X48-D90; versiones 15.1X49 anteriores a 15.1X49-D180; versiones 17.3; versiones 17.4 anteriores a 17.4R2-S5, 17.4R3; versiones 18.1 anteriores a 18.1R3-S6; versiones 18.2 anteriores a 18.2R2-S4, 18.2R3; versiones 18.3 anteriores a 18.3R2-S1, 18.3R3; versiones 18.4 anteriores a 18.4R2; versiones 19.1 anteriores a 19.1R1-S1, 19.1R2.