Description
Due to an improper check for unusual or exceptional conditions in Juniper Networks Junos OS and Junos OS Evolved the Routing Protocol Daemon (RPD) service, upon receipt of a specific matching BGP packet meeting a specific term in the flowspec configuration, crashes and restarts causing a Denial of Service (DoS). Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue affects only Multiprotocol BGP (MP-BGP) VPNv6 FlowSpec deployments. This issue affects: Juniper Networks Junos OS: 18.4 versions prior to 18.4R1-S8, 18.4R2-S7, 18.4R3-S7; 19.1 versions prior to 19.1R2-S2, 19.1R3-S4; 19.2 versions prior to 19.2R1-S6, 19.2R3-S2; 19.3 versions prior to 19.3R3-S2; 19.4 versions prior to 19.4R2-S4, 19.4R3-S1; 20.1 versions prior to 20.1R2, 20.1R3; 20.2 versions prior to 20.2R2, 20.2R3; 20.3 versions prior to 20.3R1-S1, 20.3R2. Juniper Networks Junos OS Evolved: All versions after 18.4R1-EVO prior to 20.3R2-EVO. This issue does not affect: Juniper Networks Junos OS versions prior to 18.4R1. Juniper Networks Junos OS Evolved versions prior to 18.4R1-EVO.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Juniper Networks Junos OS
unspecified to < 18.4R1unaffected18.4 to < 18.4R1-S8, 18.4R2-S7, 18.4R3-S7affected19.1 to < 19.1R2-S2, 19.1R3-S4affected19.2 to < 19.2R1-S6, 19.2R3-S2affected19.3 to < 19.3R3-S2affected19.4 to < 19.4R2-S4, 19.4R3-S1affected20.1 to < 20.1R2, 20.1R3, 20.1R3-EVOaffected20.2 to < 20.2R2, 20.2R3, 20.2R3-EVOaffected20.3 to < 20.3R1-S1, 20.3R2, 20.3R2-EVOaffected
Juniper Networks Junos OS Evolved
unspecified to < 18.4R1-EVOunaffected20.3-EVO to < 20.3R2-EVOaffected