CVE-2023-46306 Explained : Impact and Mitigation

A critical vulnerability has been identified in NetModule Router Software (NRSW) versions 4.6 and 4.8, allowing authenticated users to execute arbitrary commands with elevated privileges.

Understanding CVE-2023-46306

This CVE highlights a flaw in the web administration interface of NRSW, where unsanitized user input can lead to the execution of OS commands.

What is CVE-2023-46306?

The vulnerability in NRSW versions 4.6 and 4.8 allows an authenticated user to execute arbitrary commands with elevated privileges due to improper handling of user input.

The Impact of CVE-2023-46306

A successful exploit of this vulnerability could result in an attacker gaining control over the affected system, compromising its confidentiality, integrity, and availability.

Technical Details of CVE-2023-46306

This section provides a deeper insight into the vulnerability, the affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability arises in the /admin/gnssAutoAlign.php device_id parameter, where the execution of OS commands with unsanitized input poses a significant risk.

Affected Systems and Versions

NetModule Router Software versions 4.6 before 4.6.0.106 and 4.8 before 4.8.0.101 are confirmed to be impacted by this vulnerability.

Exploitation Mechanism

The vulnerability is exploited by constructing an OS command with shell metacharacters in the device_id parameter, allowing authenticated users to execute commands with elevated privileges.

Mitigation and Prevention

Discover the immediate steps and long-term security practices to mitigate the risks associated with CVE-2023-46306.

Immediate Steps to Take

Affected users should apply the relevant patches and closely monitor system activity for any signs of unauthorized access or malicious commands.

Long-Term Security Practices

Implementing robust input validation mechanisms and regular security audits can help prevent future exploitation of similar vulnerabilities.

Patching and Updates

Ensure that NetModule Router Software is updated to versions 4.6.0.106 and 4.8.0.101 or later to secure the system against this vulnerability.