CVE-2021-23403 : Security Advisory and Response

A detailed overview of the CVE-2021-23403 highlighting the vulnerability, impact, technical details, and mitigation steps.

Understanding CVE-2021-23403

This section provides insights into the vulnerability identified as Prototype Pollution in the 'ts-nodash' package.

What is CVE-2021-23403?

All versions of the 'ts-nodash' package are vulnerable to Prototype Pollution through the Merge() function due to inadequate input validation.

The Impact of CVE-2021-23403

With a CVSS v3.1 base score of 7.3 (High Severity), this vulnerability can be exploited remotely without any privileged access, affecting the integrity and confidentiality of the system.

Technical Details of CVE-2021-23403

Here are the technical specifics of CVE-2021-23403:

Vulnerability Description

The vulnerability arises from inadequate validation input in the Merge() function, leading to potential Prototype Pollution.

Affected Systems and Versions

The 'ts-nodash' package, all versions, are impacted by this vulnerability.

Exploitation Mechanism

The vulnerability can be exploited remotely over a network with low complexity, impacting availability, integrity, and confidentiality.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2021-23403.

Immediate Steps to Take

Developers should validate input properly to mitigate the risk of Prototype Pollution. Consider alternative packages if fixes are not available.

Long-Term Security Practices

Implement secure coding practices and keep software dependencies updated to avoid known vulnerabilities.

Patching and Updates

Regularly update the 'ts-nodash' package to apply security patches and stay protected against potential exploits.