CVE-2024-39563

Oct 12, 2024

Published Date: 2024-10-11T16:15:07.740
Last Modified: 2024-10-11T16:15:07.740

CVSS Score: 7.3 (HIGH)

EPSS Score: 0.04%

Risk Score: 5.11 (HIGH)

Risk Score based on CVSS score and EPSS. This score is for reference purposes and is not internationally recognized.

Meter Needle
CVSS: 7.3  |  EPSS: 0.04%
NVD Links:

Description: A Command Injection vulnerability in Juniper Networks Junos Space allows an unauthenticated, network-based attacker sending a specially crafted request to execute arbitrary shell commands on the Junos Space Appliance, leading to remote command execution by the web application, gaining complete control of the device.

A specific script in the Junos Space web application allows attacker-controlled input from a GET request without sufficient input sanitization. A specially crafted request can exploit this vulnerability to execute arbitrary shell commands on the Junos Space Appliance.

This issue affects Junos Space 24.1R1. Previous versions of Junos Space are unaffected by this vulnerability.

Mitre ATT&CK Technical v15.1

T1053.002 – At

Technical Analysis & Mitigation Measures

1. Technical Attack Analysis:
– Technique T1053.002 – Scheduled Task/Job: Cron
– Attackers can exploit the command injection vulnerability to schedule malicious tasks or scripts via the compromised web application.
– This can lead to persistent access as attackers may create cron jobs that periodically execute their malicious commands, allowing for continuous control over the target device.
– Successful exploitation can lead to:
– Unauthorized access to sensitive configurations and data stored on the Junos Space Appliance.
– Potential lateral movement within the network if the appliance is connected to other critical systems.
– Deployment of additional payloads or malware that can further compromise the network.

2. Mitigation Measures:
– Implement strict input validation and sanitization.
– Disable unnecessary services and ports on the Junos Space Appliance.
– Restrict access to the Junos Space web application to trusted networks only.
– Regularly update Junos Space to the latest version to patch known vulnerabilities.
– Monitor logs for unusual access patterns or command executions.
– Implement network segmentation to limit the impact of a potential compromise.
– Use intrusion detection systems (IDS) to identify and alert on suspicious activities.
– Conduct regular security assessments and penetration testing on the Junos Space Appliance.

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Reference Links

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