CVE-2021-2127 : Vulnerability Insights and Analysis

A vulnerability has been discovered in the Oracle VM VirtualBox product of Oracle Virtualization, specifically in the Core component. The affected version is prior to 6.1.18. This vulnerability, identified as CVE-2021-2127, allows a high privileged attacker with logon access to compromise Oracle VM VirtualBox, potentially leading to a complete denial of service (DOS) attack.

Understanding CVE-2021-2127

CVE-2021-2127 is a security vulnerability found in Oracle VM VirtualBox, impacting versions prior to 6.1.18. It is classified as a medium severity vulnerability with a CVSS 3.1 Base Score of 4.4.

What is CVE-2021-2127?

The vulnerability in Oracle VM VirtualBox allows an attacker with logon credentials to the infrastructure to compromise the VirtualBox application, potentially resulting in a denial of service situation.

The Impact of CVE-2021-2127

Successful exploitation of CVE-2021-2127 can grant unauthorized access to cause crashes or hang the Oracle VM VirtualBox application, leading to a complete denial of service.

Technical Details of CVE-2021-2127

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The vulnerability in Oracle VM VirtualBox Core component allows a high privileged attacker to compromise the application, potentially leading to a complete DOS scenario.

Affected Systems and Versions

Oracle VM VirtualBox versions prior to 6.1.18 are affected by this vulnerability.

Exploitation Mechanism

A high privileged attacker with logon access can exploit this vulnerability to compromise Oracle VM VirtualBox.

Mitigation and Prevention

To address CVE-2021-2127, it is crucial to implement the following mitigation strategies.

Immediate Steps to Take

Users should update their Oracle VM VirtualBox to version 6.1.18 or above to mitigate the risk of exploitation.

Long-Term Security Practices

Regularly monitor security advisories and promptly apply security patches for vulnerable software.

Patching and Updates

Stay informed about security updates released by Oracle Virtualization and promptly apply patches to protect against known vulnerabilities.