CVE-2024-21612 Information

Description

An Improper Handling of Syntactically Invalid Structure vulnerability in Object Flooding Protocol (OFP) service of Juniper Networks Junos OS Evolved allows an unauthenticated network-based attacker to cause a Denial of Service (DoS).

On all Junos OS Evolved platforms when specific TCP packets are received on an open OFP port the OFP crashes leading to a restart of Routine Engine (RE). Continuous receipt of these specific TCP packets will lead to a sustained Denial of Service (DoS) condition.

This issue affects:

Juniper Networks Junos OS Evolved

All versions earlier than 21.2R3-S7-EVO;
21.3 versions earlier than 21.3R3-S5-EVO ;
21.4 versions earlier than 21.4R3-S5-EVO;
22.1 versions earlier than 22.1R3-S4-EVO;
22.2 versions earlier than 22.2R3-S3-EVO ;
22.3 versions earlier than 22.3R3-EVO;
22.4 versions earlier than 22.4R2-EVO 22.4R3-EVO.

Reference

https://supportportal.juniper.net/JSA75753 https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N