CVE-2021-2442 : Vulnerability Insights and Analysis

This article provides detailed information about CVE-2021-2442, a vulnerability impacting Oracle VM VirtualBox.

Understanding CVE-2021-2442

CVE-2021-2442 is a vulnerability in Oracle VM VirtualBox, affecting versions prior to 6.1.24. It allows a high-privileged attacker to compromise the application, leading to DOS attacks.

What is CVE-2021-2442?

The vulnerability in Oracle VM VirtualBox allows attackers with login access to impact additional products. Successful exploitation can cause a complete DOS of Oracle VM VirtualBox.

The Impact of CVE-2021-2442

With a CVSS 3.1 Base Score of 6.0, CVE-2021-2442 has a medium severity impact, particularly on availability. Attacks can cause a hang or repeatable crash of the application.

Technical Details of CVE-2021-2442

The vulnerability is easily exploitable by a high-privileged attacker locally. The availability impact is high, with no confidentiality or integrity impact. Privileges required are also high.

Vulnerability Description

The vulnerability allows a high-privileged attacker to compromise Oracle VM VirtualBox, potentially leading to a complete DOS of the application.

Affected Systems and Versions

VM VirtualBox versions prior to 6.1.24 are affected by this vulnerability.

Exploitation Mechanism

Attackers with login access can exploit the vulnerability to compromise Oracle VM VirtualBox, impacting additional products.

Mitigation and Prevention

To mitigate CVE-2021-2442, immediate steps should be taken to secure Oracle VM VirtualBox and prevent unauthorized access.

Immediate Steps to Take

Users should update Oracle VM VirtualBox to version 6.1.24 or later to address the vulnerability.

Long-Term Security Practices

Maintaining up-to-date software patches and ensuring secure login access can help prevent future vulnerabilities.

Patching and Updates

Regularly check for and apply security patches and updates provided by Oracle Corporation to protect against known vulnerabilities.