CVE-2021-22930 : What You Need to Know

Node.js before 16.6.0, 14.17.4, and 12.22.4 is vulnerable to a use after free attack where an attacker might be able to exploit the memory corruption, to change process behavior.

Understanding CVE-2021-22930

Node.js versions before 16.6.0, 14.17.4, and 12.22.4 have a vulnerability that could allow an attacker to exploit memory corruption leading to a change in process behavior.

What is CVE-2021-22930?

CVE-2021-22930 is a use after free vulnerability in Node.js versions earlier than 16.6.0, 14.17.4, and 12.22.4. It allows attackers to manipulate memory corruption, potentially altering process execution.

The Impact of CVE-2021-22930

Exploitation of this vulnerability could lead to unauthorized access, data leaks, and even remote code execution on systems running the affected Node.js versions.

Technical Details of CVE-2021-22930

The technical details of CVE-2021-22930 include:

Vulnerability Description

The vulnerability is categorized as a Use After Free (CWE-416) issue, allowing attackers to exploit memory corruption.

Affected Systems and Versions

All Node.js versions prior to 16.6.0, 14.17.4, and 12.22.4 are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit the use after free vulnerability to manipulate memory and change the behavior of the Node.js process.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-22930, consider the following steps:

Immediate Steps to Take

Update Node.js to versions 16.6.0, 14.17.4, or 12.22.4 as soon as possible.
Monitor for any unusual behavior or unauthorized access on Node.js systems.

Long-Term Security Practices

Implement secure coding practices to prevent similar vulnerabilities.
Regularly update and patch Node.js to secure versions.

Patching and Updates

Stay informed about security advisories and apply patches promptly to protect against known vulnerabilities.