CVE-2021-24033 : Security Advisory and Response

A detailed overview of CVE-2021-24033, including its impact, technical details, and mitigation strategies.

Understanding CVE-2021-24033

This section covers the essential information about the CVE-2021-24033 vulnerability in React Dev Utils.

What is CVE-2021-24033?

CVE-2021-24033 is a vulnerability in react-dev-utils prior to version 11.0.4 that exposes a function to potential command injection when invoked manually with user-provided values.

The Impact of CVE-2021-24033

The vulnerability poses a risk of command injection when user inputs are not properly sanitized, potentially leading to unauthorized execution of commands.

Technical Details of CVE-2021-24033

Explore the specifics of the vulnerability in terms of its description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability arises from improper neutralization of special elements in OS commands, opening the door to command injection attacks.

Affected Systems and Versions

React Dev Utils versions less than 11.0.4 are affected, with potential exploitation when the getProcessForPort function is invoked with user-provided data.

Exploitation Mechanism

Command injection occurs when user input is concatenated into command strings, enabling malicious users to execute unauthorized commands.

Mitigation and Prevention

Learn about the steps to mitigate the CVE-2021-24033 vulnerability and prevent exploitation.

Immediate Steps to Take

Ensure that react-dev-utils is updated to version 11.0.4 or higher to prevent command injection vulnerabilities.

Long-Term Security Practices

Develop and enforce strict input validation mechanisms to sanitize user data and mitigate command injection risks.

Patching and Updates

Stay informed about security patches and updates from vendors like Facebook to address known vulnerabilities and enhance system security.