CVE-2024-39522: Junos OS Evolved: CLI parameter processing issue allows privilege escalation

Published Jul 11, 2024
·
Updated

An Improper Neutralization of Special Elements vulnerability in Juniper Networks Junos OS Evolved commands allows a local, authenticated attacker with low privileges to escalate their privileges to 'root' leading to a full compromise of the system.

The Junos OS Evolved CLI doesn't properly handle command options in some cases, allowing users which execute specific CLI commands with a crafted set of parameters to escalate their privileges to root on shell level.

This issue affects Junos OS Evolved:

22.3-EVO versions before 22.3R2-EVO, 22.4-EVO versions before 22.4R1-S1-EVO, 22.4R2-EVO.

Affected Software

6 affected components
Juniper Junos OS Evolved=22.3
Juniper Junos OS Evolved=22.3-r1
Juniper Junos OS Evolved=22.3-r1-s1
Juniper Junos OS Evolved=22.3-r1-s2
Juniper Junos OS Evolved=22.4
Juniper Junos OS Evolved=22.4-r1

Remediation

Information

The following software releases have been updated to resolve this specific issue: 22.3R2-EVO, 22.4R1-S1-EVO, 22.4R2-EVO, 23.2R1-EVO, and all subsequent releases.

Event History

Jul 11, 2024
CVE Published
via MITRE·03:58 PM
Data Sourced
via MITRE·03:58 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·04:15 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is the severity of CVE-2024-39522?

CVE-2024-39522 is classified as a high severity vulnerability due to its potential for privilege escalation and full system compromise.

2

How do I fix CVE-2024-39522?

To fix CVE-2024-39522, upgrade Junos OS Evolved to a version that has addressed the vulnerability as specified in vendor advisories.

3

What is the impact of CVE-2024-39522 on affected systems?

The impact of CVE-2024-39522 allows local, authenticated attackers with low privileges to escalate their access to root level, resulting in full system compromise.

4

Which versions of Junos OS Evolved are affected by CVE-2024-39522?

Versions 22.3, 22.3-r1, 22.3-r1-s1, 22.3-r1-s2, and 22.4, including their major revisions, are affected by CVE-2024-39522.

5

Who can exploit CVE-2024-39522?

CVE-2024-39522 can be exploited by local, authenticated attackers who have low privileges on the Junos OS Evolved systems.

Contact

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