CVE-2024-21614 Information

Description

An Improper Check for Unusual or Exceptional Conditions vulnerability in Routing Protocol Daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved allows a network-based unauthenticated attacker to cause rpd to crash leading to Denial of Service (DoS).

On all Junos OS and Junos OS Evolved platforms when NETCONF and gRPC are enabled and a specific query is executed via Dynamic Rendering (DREND) rpd will crash and restart. Continuous execution of this specific query will cause a sustained Denial of Service (DoS) condition.

This issue affects:

Juniper Networks Junos OS

22.2 versions earlier than 22.2R2-S2 22.2R3;
22.3 versions earlier than 22.3R2 22.3R3.

Juniper Networks Junos OS Evolved

22.2 versions earlier than 22.2R2-S2-EVO 22.2R3-EVO;
22.3 versions earlier than 22.3R2-EVO 22.3R3-EVO.

This issue does not affect Juniper Networks:

Junos OS versions earlier than 22.2R1;

Junos OS Evolved versions earlier than 22.2R1-EVO.

Reference

https://supportportal.juniper.net/JSA75755 https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N