cve-2021-0286
Vulnerability from cvelistv5
Published
2021-07-15 20:01
Modified
2024-09-16 17:57
Summary
Junos OS Evolved: Specially crafted packets may cause the AFT manager process to crash and restart
References
Impacted products
Show details on NVD website


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          "vendor": "Juniper Networks",
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Following messages will be logged prior to the crash: Feb 2 10:14:39 fpc0 evo-aftmand-bt[16263]: [Error] Nexthop: Failed to get fwd nexthop for nexthop:32710470974358 label:1089551617 for session:18 probe:35 Feb 2 10:14:39 fpc0 evo-aftmand-bt[16263]: [Error] Nexthop: Failed to get fwd nexthop for nexthop:19241453497049 label:1089551617 for session:18 probe:37 Feb 2 10:14:39 fpc0 evo-aftmand-bt[16263]: [Error] Nexthop: Failed to get fwd nexthop for nexthop:19241453497049 label:1089551617 for session:18 probe:44 Feb 2 10:14:39 fpc0 evo-aftmand-bt[16263]: [Error] Nexthop: Failed to get fwd nexthop for nexthop:32710470974358 label:1089551617 for session:18 probe:47 Feb 2 10:14:39 fpc0 audit[16263]: ANOM_ABEND auid=4294967295 uid=0 gid=0 ses=4294967295 pid=16263 comm=\\\"EvoAftManBt-mai\\\" exe=\\\"/usr/sbin/evo-aftmand-bt\\\" sig=11 Feb 2 10:14:39 fpc0 kernel: audit: type=1701 audit(1612260879.272:17): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=16263 comm=\\\"EvoAftManBt-mai\\\" exe=\\\"/usr/sbin/evo-aftmand-bt\\\" sig=1 This issue affects Juniper Networks Junos OS Evolved: All versions prior to 20.4R2-EVO; 21.1 versions prior to 21.1R2-EVO.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad en el manejo de condiciones excepcionales en Juniper Networks Junos OS Evolved (EVO) permite a un atacante enviar paquetes especialmente dise\u00f1ados al dispositivo, causando al proceso de Advanced Forwarding Toolkit manager (evo-aftmand-bt o evo-aftmand-zx) bloquearse y reiniciarse, impactando todo el tr\u00e1fico que pasa por el FPC, resultando en una Denegaci\u00f3n de Servicio (DoS). Una recepci\u00f3n  continua  y procesamiento de estos paquetes crear\u00e1 una condici\u00f3n de Denegaci\u00f3n de Servicio (DoS) sostenida. Los siguientes mensajes se registrar\u00e1n antes del bloqueo: Feb 2 10:14:39 fpc0 evo-aftmand-bt[16263]: [Error] Nexthop: Failed to get fwd nexthop for nexthop:32710470974358 label:1089551617 for session:18 probe:35 Feb 2 10:14:39 fpc0 evo-aftmand-bt[16263]: [Error] Nexthop: Failed to get fwd nexthop for nexthop:19241453497049 label:1089551617 for session:18 probe:37 Feb 2 10:14:39 fpc0 evo-aftmand-bt[16263]: [Error] Nexthop: Failed to get fwd nexthop for nexthop:19241453497049 label:1089551617 for session:18 probe:44 Feb 2 10:14:39 fpc0 evo-aftmand-bt[16263]: [Error] Nexthop: Failed to get fwd nexthop for nexthop:32710470974358 label:1089551617 for session:18 probe:47 Feb 2 10:14:39 fpc0 audit[16263]: ANOM_ABEND auid=4294967295 uid=0 gid=0 ses=4294967295 pid=16263 comm=\\\"EvoAftManBt-mai\\\" exe=\\\"/usr/sbin/evo-aftmand-bt\\\" sig=11 Feb 2 10:14:39 fpc0 kernel: audit: type=1701 audit(1612260879. 272:17): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=16263 comm=\\\"EvoAftManBt-mai\\\" exe=\\\"/usr/sbin/evo-aftmand-bt\\\" sig=1 Este problema afecta a Juniper Networks Junos OS Evolved: Todas las versiones anteriores a 20.4R2-EVO; 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  }
}


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