CVE-2019-0056

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An Insufficient Resource Pool weakness allows an attacker to cause the device's Open Shortest Path First (OSPF) states to transition to Down, resulting in a Denial of Service (DoS) attack. This attack requires a relatively large number of specific Internet Mixed (IMIXed) types of genuine and valid IPv6 packets to be transferred by the attacker in a relatively short period of time, across three or more PFE's on the device at the same time. Continued receipt of the traffic sent by the attacker will continue to cause OSPF to remain in the Down starting state, or flap between other states and then again to Down, causing a persistent Denial of Service. This attack will affect all IPv4, and IPv6 traffic served by the OSPF routes once the OSPF states transition to Down. This issue affects: Juniper Networks Junos OS on MX480, MX960, MX2008, MX2010, MX2020: 18.1 versions prior to 18.1R2-S4, 18.1R3-S5; 18.1X75 version 18.1X75-D10 and later versions; 18.2 versions prior to 18.2R1-S5, 18.2R2-S3, 18.2R3; 18.2X75 versions prior to 18.2X75-D50; 18.3 versions prior to 18.3R1-S4, 18.3R2, 18.3R3; 18.4 versions prior to 18.4R1-S2, 18.4R2."}, {"lang": "es", "value": "Este problema solo afecta a dispositivos con tres (3) o m\u00e1s MPC10 instalados en un \u00fanico chasis con OSPF habilitado y configurado en el dispositivo. Una debilidad de Grupo de Recursos Insuficiente permite a un atacante causar que los estados Open Shortest Path First (OSPF) del dispositivo hagan la transici\u00f3n a Down, resultando en un ataque de Denegaci\u00f3n de servicio (DoS). Este ataque requiere que el atacante transfiera un n\u00famero relativamente grande tipos Internet Mixed (IMIXed) espec\u00edficos de paquetes IPv6 genuinos y v\u00e1lidos en un per\u00edodo de tiempo relativamente corto, por medio de tres o m\u00e1s PFE en el dispositivo al mismo tiempo. La recepci\u00f3n continua del tr\u00e1fico enviado por el atacante continuar\u00e1 causando que OSPF permanezca en el estado de inicio Down, o fluct\u00fae entre otros estados y luego nuevamente a Down, causando una denegaci\u00f3n de servicio persistente. Este ataque afectar\u00e1 a todo el tr\u00e1fico IPv4 e IPv6 servido por las rutas OSPF una vez que el estado OSPF haga la transici\u00f3n a Down. Este problema afecta: Juniper Networks Junos OS en MX480, MX960, MX2008, MX2010, MX2020: versiones 18.1 anteriores a 18.1R2-S4, 18.1R3-S5; versi\u00f3n 18.1X75 hasta 18.1X75-D10 y versiones posteriores; versiones 18.2 anteriores a 18.2R1-S5, 18.2R2-S3, 18.2R3; versiones 18.2X75 anteriores a 18.2X75-D50; versiones 18.3 anteriores a 18.3R1-S4, 18.3R2, 18.3R3; versiones 18.4 anteriores a 18.4R1-S2, 18.4R2."}], "lastModified": "2021-10-28T12:27:08.703", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:juniper:junos:18.1:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0DFDD907-5305-4602-8A9C-685AA112C342"}, {"criteria": "cpe:2.3:o:juniper:junos:18.1:r2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2EF6F4C1-6A7E-474F-89BC-7A3C50FD8CAC"}, {"criteria": "cpe:2.3:o:juniper:junos:18.1:r2-s1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "84F5BCBA-404B-4BC9-B363-CE6D231B0D6D"}, {"criteria": "cpe:2.3:o:juniper:junos:18.1:r2-s2:*:*:*:*:*:*", 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