Junos OS and Junos OS Evolved: An rpd core will be observed with proxy BGP route-target filtering enabled and certain route add and delete event happening

Summary

An Operation on a Resource after Expiration or Release vulnerability in the Routing Protocol Daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network-based attacker with an established BGP session to cause a Denial of Service (DoS). This issue occurs when proxy-generate route-target filtering is enabled, and certain proxy-route add and delete events are happening. This issue affects: Juniper Networks Junos OS All versions prior to 17.3R3-S11; 17.4 versions prior to 17.4R2-S13, 17.4R3-S4; 18.3 versions prior to 18.3R3-S4; 18.4 versions prior to 18.4R1-S8, 18.4R2-S8, 18.4R3-S6; 19.1 versions prior to 19.1R3-S4; 19.2 versions prior to 19.2R1-S6, 19.2R3-S2; 19.3 versions prior to 19.3R2-S6, 19.3R3-S1; 19.4 versions prior to 19.4R1-S4, 19.4R2-S4, 19.4R3; 20.1 versions prior to 20.1R2; 20.2 versions prior to 20.2R2; 20.3 versions prior to 20.3R1-S2, 20.3R2. Juniper Networks Junos OS Evolved All versions prior to 20.1R3-EVO; 20.2 versions prior to 20.2R3-EVO; 20.3 versions prior to 20.3R2-EVO.

Timeline

1. Apr 14, 2022, 3:50 PM UTCCVE published
2. Sep 16, 2024, 5:24 PM UTCRecord last updated

Affected versions

• Juniper Networks Junos OS

  fixed in 17.3R3-S11; From 18.3 · fixed in 18.3R3-S4; From 19.1 · fixed in 19.1R3-S4; From 20.1 · fixed in 20.1R2; From 20.2 · fixed in 20.2R2

• Juniper Networks Junos OS Evolved

  fixed in 20.1R3-EVO; From 20.2 · fixed in 20.2R3-EVO; From 20.3 · fixed in 20.3R2-EVO

References 1