CVE-2024-39543 Information

Description

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.

Junos OS Evolved: 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.

CVSS Vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://supportportal.juniper.net/JSA83004

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5