A Buffer Copy without Checking Size of Input vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Juniper Networks Junos OS Evolved allows an unauthenticated, adjacent attacker to send specific RPKI-RTR packets resulting in a crash, creating a Denial of Service (DoS) condition. Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition.
 

This issue affects:

Junos OS: 

• All versions before 21.2R3-S8, 
• from 21.4 before 21.4R3-S8,
• from 22.2 before 22.2R3-S4, 
• from 22.3 before 22.3R3-S3, 
• from 22.4 before 22.4R3-S2, 
• from 23.2 before 23.2R2-S1, 
• from 23.4 before 23.4R2.

• All versions before 21.2R3-S8-EVO,
• from 21.4 before 21.4R3-S8-EVO,
• from 22.2 before 22.2R3-S4-EVO, 
• from 22.3 before 22.3R3-S3-EVO,
• from 22.4 before 22.4R3-S2-EVO, 
• from 23.2 before 23.2R2-S1-EVO,
• from 23.4 before 23.4R2-EVO.

The following software releases have been updated to resolve this specific issue:

Junos OS: 21.2R3-S8, 21.4R3-S8, 22.2R3-S4, 22.3R3-S3, 22.4R3-S2, 23.2R2-S1, 23.4R2, 24.2R1, and all subsequent releases.

Junos OS Evolved: 21.2R3-S8-EVO, 21.4R3-S8-EVO, 22.2R3-S4-EVO, 22.3R3-S3-EVO 22.4R3-S2-EVO, 23.2R2-S1-EVO, 23.4R2-EVO, 24.2R1-EVO, and all subsequent releases.

This issue is being tracked as 1803120 which is visible on the Customer Support website.

Note: Juniper SIRT's policy is not to evaluate releases which are beyond End of Engineering (EOE) or End of Life (EOL).

2024-07-10: Initial Publication
2024-09-13: Minor formatting change to CVSS field

• KB16613: Overview of the Juniper Networks SIRT Quarterly Security Bulletin Publication Process [juniper.net]
• KB16765: In which releases are vulnerabilities fixed? [juniper.net]
• KB16446: Common Vulnerability Scoring System (CVSS) and Juniper's Security Advisories [juniper.net]
• Report a Security Vulnerability - How to Contact the Juniper Networks Security Incident Response Team