CVE-2024-39528 Information

Description

A Use After Free vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an authenticated network-based attacker to cause a Denial of Service (DoS).On all Junos OS and Junos Evolved platforms if a routing-instance deactivation is triggered and at the same time a specific SNMP request is received a segmentation fault occurs which causes rpd to crash and restart.

This issue affects:

   Junos OS:

All versions before 21.2R3-S8 
21.4 versions before 21.4R3-S5
22.2 versions before 22.2R3-S3
22.3 versions before 22.3R3-S2
22.4 versions before 22.4R3
23.2 versions before 23.2R2.

  Junos OS Evolved:

All versions before 21.2R3-S8-EVO
21.4-EVO versions before 21.4R3-S5-EVO
22.2-EVO versions before 22.2R3-S3-EVO 
22.3-EVO versions before 22.3R3-S2-EVO
22.4-EVO versions before 22.4R3-EVO
23.2-EVO versions before 23.2R2-EVO.

CVSS Vector

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

Reference

https://supportportal.juniper.net/JSA82987

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.7