CVE-2021-45459 : Exploit Details and Defense Strategies

lib/cmd.js in the node-windows package before 1.0.0-beta.6 for Node.js allows command injection via the PID parameter.

Understanding CVE-2021-45459

This CVE involves a vulnerability in the node-windows package that allows command injection via a specific parameter.

What is CVE-2021-45459?

The CVE-2021-45459 vulnerability occurs in the node-windows package, specifically in the lib/cmd.js file, before version 1.0.0-beta.6 for Node.js. It enables attackers to execute arbitrary commands through the PID parameter, leading to potential system compromise.

The Impact of CVE-2021-45459

The vulnerability allows malicious actors to inject and execute unauthorized commands on systems running the vulnerable node-windows package, potentially leading to unauthorized access, data breaches, and system compromise.

Technical Details of CVE-2021-45459

Details of the technical aspects and implications of the CVE.

Vulnerability Description

The vulnerability lies in the node-windows package, particularly in the cmd.js file, allowing attackers to inject commands via the PID parameter, which can execute arbitrary code on the system.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: All versions before 1.0.0-beta.6

Exploitation Mechanism

The vulnerability can be exploited by manipulating the PID parameter in the node-windows package, enabling attackers to insert and execute unauthorized commands on the system.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of the vulnerability.

Immediate Steps to Take

Upgrade to version 1.0.0-beta.6 or later of the node-windows package to eliminate the vulnerability.
Implement input validation and sanitization to prevent command injection attacks.
Monitor system logs and network traffic for any unusual activity that might indicate exploitation attempts.

Long-Term Security Practices

Conduct regular security assessments and code reviews to identify and address similar vulnerabilities.
Stay informed about security advisories and updates from the package maintainers and security organizations.

Patching and Updates

Keep the node-windows package up to date with the latest patches and security fixes to ensure protection against known vulnerabilities.