CVE-2021-4306 Explained : Impact and Mitigation

A vulnerability has been identified in cronvel terminal-kit up to version 2.1.7. This vulnerability is classified as problematic due to inefficient regular expression complexity. Upgrading to version 2.1.8 resolves the issue. Here's all you need to know about CVE-2021-4306.

Understanding CVE-2021-4306

This section provides an overview of the CVE-2021-4306 vulnerability.

What is CVE-2021-4306?

CVE-2021-4306 is a vulnerability found in cronvel terminal-kit versions up to 2.1.7. The vulnerability involves an unknown function that can be manipulated to cause inefficient regular expression complexity.

The Impact of CVE-2021-4306

The impact of this vulnerability is rated as LOW. It has a CVSS base score of 3.5, indicating a low severity threat.

Technical Details of CVE-2021-4306

This section delves into the technical specifics of CVE-2021-4306.

Vulnerability Description

The vulnerability in cronvel terminal-kit allows for inefficient regular expression complexity, posing a risk to affected systems.

Affected Systems and Versions

The affected vendor is cronvel, and the impacted product is terminal-kit. Versions 2.1.0 to 2.1.7 are affected by this vulnerability.

Exploitation Mechanism

The manipulation of an unknown function in the affected versions leads to the exploitation of inefficient regular expression complexity.

Mitigation and Prevention

Explore the measures to mitigate and prevent the CVE-2021-4306 vulnerability.

Immediate Steps to Take

It is recommended to upgrade the terminal-kit to version 2.1.8 to address the vulnerability.

Long-Term Security Practices

Ensure regular software updates and follow security best practices to prevent similar vulnerabilities in the future.

Patching and Updates

Refer to the provided patches and upgrade to version 2.1.8 to secure the system.