CVE-2021-0158 : Security Advisory and Response

A privilege escalation vulnerability has been identified in some Intel(R) Processors due to improper input validation in the BIOS firmware that could be exploited by a privileged user through local access.

Understanding CVE-2021-0158

This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2021-0158.

What is CVE-2021-0158?

The vulnerability in the BIOS firmware of certain Intel(R) Processors allows a privileged user to potentially escalate their privileges locally on the system.

The Impact of CVE-2021-0158

The impact of this vulnerability is the potential escalation of privileges by a privileged user, which could lead to unauthorized access and control over the affected systems.

Technical Details of CVE-2021-0158

Here are the technical aspects of CVE-2021-0158, including the vulnerability description, affected systems and versions, and exploitation mechanism.

Vulnerability Description

The vulnerability arises from improper input validation in the BIOS firmware of Intel(R) Processors, enabling a privileged user to escalate their privileges on the system.

Affected Systems and Versions

The vulnerability affects certain versions of Intel(R) Processors. Please refer to the vendor's advisory for specific version details.

Exploitation Mechanism

A privileged user with local access to the system can exploit this vulnerability to escalate their privileges, potentially leading to unauthorized actions.

Mitigation and Prevention

Learn about the immediate steps to take and the long-term security practices to mitigate the risks posed by CVE-2021-0158.

Immediate Steps to Take

It is crucial to apply security patches or updates provided by Intel to address the vulnerability and prevent potential exploitation by malicious actors.

Long-Term Security Practices

Implementing secure BIOS firmware validation processes and regular system updates can enhance the overall security posture of your environment.

Patching and Updates

Regularly monitor and apply security patches released by Intel to ensure the protection of your systems against known vulnerabilities.