CVE-2022-21186 Explained : Impact and Mitigation

This article discusses CVE-2022-21186, a vulnerability in the package @acrontum/filesystem-template that could lead to Arbitrary Command Injection.

Understanding CVE-2022-21186

CVE-2022-21186 is a critical vulnerability identified in the package @acrontum/filesystem-template before version 0.0.2. It allows attackers to execute arbitrary commands due to improper handling of external inputs.

What is CVE-2022-21186?

The package @acrontum/filesystem-template versions prior to 0.0.2 are vulnerable to Arbitrary Command Injection. The issue stems from the fetchRepo API not properly sanitizing the href field of external input, enabling attackers to execute arbitrary commands.

The Impact of CVE-2022-21186

With a CVSS base score of 9.8 out of 10, CVE-2022-21186 poses a critical threat. Attackers can exploit this vulnerability remotely with low complexity, no privileges required, and high impact on confidentiality, integrity, and availability.

Technical Details of CVE-2022-21186

Here are the technical details of the CVE-2022-21186 vulnerability:

Vulnerability Description

The vulnerability allows for Arbitrary Command Injection in @acrontum/filesystem-template versions prior to 0.0.2, facilitating unauthorized command execution through the fetchRepo API.

Affected Systems and Versions

The issue affects all versions of @acrontum/filesystem-template that are older than 0.0.2.

Exploitation Mechanism

Attackers can exploit the vulnerability by manipulating the href field of external input within the fetchRepo API, leading to the execution of arbitrary commands.

Mitigation and Prevention

To address CVE-2022-21186 and enhance system security, consider the following measures:

Immediate Steps to Take

Upgrade @acrontum/filesystem-template to version 0.0.2 or later to mitigate the vulnerability.
Implement input validation and proper sanitization techniques to prevent command injection attacks.

Long-Term Security Practices

Regularly monitor for security advisories and updates related to @acrontum/filesystem-template.
Conduct security assessments and code reviews to identify and address potential vulnerabilities.

Patching and Updates

Stay informed about security patches and updates released by the package maintainer. Apply patches promptly to ensure the safety of your systems.