CVE-2023-37466 Explained : Impact and Mitigation

A critical vulnerability has been identified in the vm2 sandbox escape mechanism, potentially leading to remote code execution. Learn more about the impact, technical details, and mitigation strategies below.

Understanding CVE-2023-37466

The CVE-2023-37466 vulnerability, also known as the vm2 Sandbox Escape vulnerability, affects versions of vm2 up to 3.9.19. Attackers can exploit this flaw to bypass Promise handler sanitization, allowing them to execute arbitrary code and escape the sandbox.

What is CVE-2023-37466?

The CVE-2023-37466 vulnerability in vm2 allows attackers to run malicious code within the context of the sandbox environment. This can potentially result in unauthorized access, data breaches, and system compromise.

The Impact of CVE-2023-37466

With a CVSS base score of 9.8 out of 10, CVE-2023-37466 poses a critical threat to affected systems. The vulnerability's high severity stems from the potential for remote code execution, confidentiality breaches, and integrity compromises.

Technical Details of CVE-2023-37466

The following technical details shed light on the specifics of the vm2 Sandbox Escape vulnerability:

Vulnerability Description

The flaw in vm2 versions <= 3.9.19 allows attackers to evade Promise handler security measures, leveraging the

@@species

accessor property to execute arbitrary code and break out of the sandbox.

Affected Systems and Versions

The vm2 Sandbox Escape vulnerability impacts versions of the vm2 library up to 3.9.19. Users of these versions are at risk of exploitation and should take immediate action to secure their systems.

Exploitation Mechanism

Attackers can exploit CVE-2023-37466 by leveraging the

Promise

handler in vm2 versions up to 3.9.19. By bypassing the handler sanitization with the

@@species

accessor property, malicious actors can achieve code execution and escape the confines of the sandbox environment.

Mitigation and Prevention

Protecting systems from CVE-2023-37466 requires proactive security measures and immediate action to remediate the vulnerability. Follow these guidelines to secure your environment:

Immediate Steps to Take

Update vm2 to a patched version that addresses the CVE-2023-37466 vulnerability.
Implement strict input validation and sanitization to prevent code injection attacks.

Long-Term Security Practices

Regularly monitor security advisories and update dependencies to mitigate emerging threats.
Conduct security audits to identify and address vulnerabilities in your software ecosystem.

Patching and Updates

Stay informed about security patches and updates released by vm2 maintainers. Timely patching is crucial to safeguard your systems against known vulnerabilities.