CVE-2022-39818 : Security Advisory and Response

A critical OS Command Injection vulnerability has been identified in NOKIA NFM-T R19.9, allowing authenticated users to execute commands with root privileges. This article provides insights into the impact, technical details, and mitigation strategies for CVE-2022-39818.

Understanding CVE-2022-39818

This section delves into the essence of the identified vulnerability.

What is CVE-2022-39818?

The CVE-2022-39818 vulnerability exists in NOKIA NFM-T R19.9, specifically in the /cgi-bin/R19.9/log.pl of the VM Manager WebUI. It enables authenticated users to run commands on the OS, granting them root-level access.

The Impact of CVE-2022-39818

The exploitation of this vulnerability can result in unauthorized command execution with elevated privileges, posing a severe security risk to affected systems.

Technical Details of CVE-2022-39818

This section highlights the specifics of the vulnerability.

Vulnerability Description

The OS Command Injection vulnerability allows attackers to manipulate the cmd HTTP GET parameter, leading to arbitrary command execution with elevated permissions.

Affected Systems and Versions

The vulnerability affects NOKIA NFM-T R19.9 installations, potentially impacting the security and integrity of the system.

Exploitation Mechanism

By exploiting the cmd parameter in /cgi-bin/R19.9/log.pl, authenticated users can execute arbitrary commands on the underlying operating system, bypassing security controls.

Mitigation and Prevention

Explore the necessary steps to mitigate and prevent the risks associated with CVE-2022-39818.

Immediate Steps to Take

Apply security patches or updates provided by the vendor promptly.
Restrict access to the VM Manager WebUI to authorized personnel only.

Long-Term Security Practices

Implement strong authentication mechanisms to prevent unauthorized access.
Conduct regular security assessments and penetration testing to identify and address vulnerabilities.

Patching and Updates

Stay informed about security advisories and updates from NOKIA to ensure timely patching of known vulnerabilities.