CVE-2021-0096 Explained : Impact and Mitigation

This CVE-2021-0096 article provides detailed information about an improper authentication vulnerability in the Intel(R) NUC HDMI Firmware Update Tool for NUC7i3DN, NUC7i5DN, NUC7i7DN before version 1.78.1.1, potentially allowing an authenticated user to enable escalation of privilege via local access.

Understanding CVE-2021-0096

This section delves into the nature of CVE-2021-0096 and its implications.

What is CVE-2021-0096?

The vulnerability involves improper authentication in the software installer for the Intel(R) NUC HDMI Firmware Update Tool for specific NUC models before version 1.78.1.1. This flaw may permit an authenticated user to facilitate an escalation of privilege through local access.

The Impact of CVE-2021-0096

The impact of this vulnerability could lead to unauthorized privilege escalation, potentially resulting in an attacker gaining elevated permissions on the affected system. This could compromise the confidentiality, integrity, and availability of the system.

Technical Details of CVE-2021-0096

This section covers the technical aspects of CVE-2021-0096.

Vulnerability Description

The vulnerability stems from improper authentication in the software installer of the Intel(R) NUC HDMI Firmware Update Tool for certain NUC models, enabling an authenticated user to potentially escalate privileges locally.

Affected Systems and Versions

The affected products include Intel(R) NUC HDMI Firmware Update Tool for NUC7i3DN, NUC7i5DN, NUC7i7DN before version 1.78.1.1. Users with these versions are at risk of exploitation.

Exploitation Mechanism

The vulnerability may be exploited by an authenticated user to elevate their privileges locally, allowing them to gain unauthorized access to sensitive system resources.

Mitigation and Prevention

This section outlines steps to mitigate the risks associated with CVE-2021-0096.

Immediate Steps to Take

Users are advised to update the Intel(R) NUC HDMI Firmware Update Tool to version 1.78.1.1 or later to address this vulnerability. It is crucial to apply security patches promptly to prevent exploitation.

Long-Term Security Practices

To enhance security posture, users should follow security best practices such as employing strong authentication mechanisms, limiting user privileges, and staying vigilant for security updates and advisories.

Patching and Updates

Regularly monitor official sources for security updates and patches related to the Intel(R) NUC HDMI Firmware Update Tool. Timely installation of patches can help safeguard systems against known vulnerabilities.