CVE-2021-4299 : Exploit Details and Defense Strategies

A detailed overview of CVE-2021-4299 highlighting its impact, technical details, mitigation strategies, and more.

Understanding CVE-2021-4299

In-depth insights into the vulnerability identified as CVE-2021-4299 affecting cronvel string-kit up to version 0.12.7.

What is CVE-2021-4299?

CVE-2021-4299 is classified as an inefficient Regular Expression Complexity vulnerability found in cronvel string-kit's function naturalSort.js.

The Impact of CVE-2021-4299

The vulnerability can be exploited remotely, resulting in inefficient regular expression complexity.

Technical Details of CVE-2021-4299

Exploring the specifics of the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability affects the naturalSort function of the file lib/naturalSort.js in cronvel string-kit up to version 0.12.7, leading to inefficient regular expression complexity.

Affected Systems and Versions

Versions affected include 0.12.0 to 0.12.7 of cronvel string-kit.

Exploitation Mechanism

The manipulation of unknown data can trigger the vulnerability remotely, emphasizing the importance of upgrading to version 0.12.8.

Mitigation and Prevention

Guidelines on immediate steps to take, long-term security practices, and the significance of patching and updates.

Immediate Steps to Take

Immediate action involves upgrading the affected component to version 0.12.8 to mitigate the vulnerability.

Long-Term Security Practices

Implement secure coding practices, regular security audits, and vulnerability assessments to enhance overall security posture.

Patching and Updates

Patching to version 0.12.8 is crucial to address the inefficient regular expression complexity vulnerability.