CVE-2021-2119 : Exploit Details and Defense Strategies

A vulnerability has been discovered in the Oracle VM VirtualBox product of Oracle Virtualization, impacting versions prior to 6.1.18. This vulnerability could allow a highly privileged attacker to compromise the VM VirtualBox, potentially leading to unauthorized access to critical data.

Understanding CVE-2021-2119

This section will delve into the details of CVE-2021-2119, including its impact, technical description, affected systems, and how to mitigate the risk.

What is CVE-2021-2119?

The vulnerability in Oracle VM VirtualBox allows attackers with logon credentials to compromise the system, potentially granting access to critical data and impacting additional products.

The Impact of CVE-2021-2119

Successful exploitation of this vulnerability can result in unauthorized access to critical data or complete access to all data accessible by Oracle VM VirtualBox. The CVSS 3.1 Base Score for this vulnerability is 6.0, with a high confidentiality impact.

Technical Details of CVE-2021-2119

This section will provide a deeper dive into the technical aspects of CVE-2021-2119, including vulnerability description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability in Oracle VM VirtualBox allows attackers to compromise the system with potentially damaging consequences, including unauthorized access to critical data.

Affected Systems and Versions

The affected product is VM VirtualBox from Oracle Corporation, versions prior to 6.1.18.

Exploitation Mechanism

The exploit leverages a low attack complexity and a local attack vector, requiring high privileges for successful execution.

Mitigation and Prevention

To secure your systems against CVE-2021-2119, follow these mitigation strategies:

Immediate Steps to Take

Update VM VirtualBox to version 6.1.18 or later.
Limit user privileges and access to critical infrastructure.

Long-Term Security Practices

Regularly monitor for security advisories and updates from Oracle.
Implement network segmentation to contain potential attacks.

Patching and Updates

Apply security patches and updates promptly to address known vulnerabilities and improve system security.