CVE-2021-2126 Explained : Impact and Mitigation

A vulnerability has been identified in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The affected version is prior to 6.1.18, allowing a high privileged attacker with logon access to compromise the Oracle VM VirtualBox. This vulnerability, if exploited successfully, can lead to unauthorized access to critical data or all Oracle VM VirtualBox accessible data.

Understanding CVE-2021-2126

This section delves into the details of CVE-2021-2126, outlining its impact, technical details, and mitigation strategies.

What is CVE-2021-2126?

The vulnerability in Oracle VM VirtualBox allows attackers with logon access to compromise the system, potentially leading to significant impacts on additional products. Successful exploitation could grant unauthorized access to critical data.

The Impact of CVE-2021-2126

With a CVSS 3.1 Base Score of 6.0 (Integrity impacts), this vulnerability poses a medium risk to security. Attackers can exploit it to create, delete, or modify critical data within Oracle VM VirtualBox.

Technical Details of CVE-2021-2126

In this section, we explore the specific technical aspects of the CVE-2021-2126 vulnerability.

Vulnerability Description

The vulnerability in Oracle VM VirtualBox affects versions prior to 6.1.18, enabling attackers with logon access to compromise the system, potentially impacting critical data.

Affected Systems and Versions

The vulnerability affects VM VirtualBox versions less than 6.1.18, with Oracle Corporation being the vendor.

Exploitation Mechanism

Attackers with high privileges and logon access can exploit this vulnerability, compromising Oracle VM VirtualBox and potentially gaining unauthorized access to critical data.

Mitigation and Prevention

This section provides insights into how organizations can mitigate the risks associated with CVE-2021-2126.

Immediate Steps to Take

Organizations should update their Oracle VM VirtualBox to version 6.1.18 or higher to prevent exploitation of this vulnerability. Restricting privileged access can also help mitigate risks.

Long-Term Security Practices

Regular security updates, employee training on cybersecurity best practices, and implementing least privilege access can enhance long-term security.

Patching and Updates

Staying updated with security patches and vendor advisories, such as the ones provided by Oracle Corporation and Gentoo, can help address vulnerabilities in a timely manner.