CVE-2022-34152 : Vulnerability Insights and Analysis

A detailed overview of CVE-2022-34152, including its impact, technical details, and mitigation strategies.

Understanding CVE-2022-34152

CVE-2022-34152 is a security vulnerability related to Intel(R) NUC Boards and Intel(R) NUC Kits that could potentially lead to an escalation of privilege for a privileged user with local access.

What is CVE-2022-34152?

The vulnerability arises from improper input validation in the BIOS firmware of certain Intel(R) NUC Boards and Intel(R) NUC Kits, specifically those before version TY0070. This flaw may allow a privileged user to exploit the issue and escalate their privileges.

The Impact of CVE-2022-34152

With a CVSS base score of 7.7, categorizing it as HIGH severity, this vulnerability poses a significant risk. An attacker could potentially take advantage of the privilege escalation to carry out unauthorized actions on the affected systems.

Technical Details of CVE-2022-34152

This section delves into the specific technical aspects of the CVE, outlining the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability stems from inadequate input validation within the BIOS firmware of Intel(R) NUC Boards and Intel(R) NUC Kits, occurring in versions preceding TY0070. This oversight could be leveraged by a privileged user to elevate their privileges through local access.

Affected Systems and Versions

Intel(R) NUC Boards and Intel(R) NUC Kits before version TY0070 are impacted by this vulnerability. Users of these devices should take immediate action to mitigate the associated risks.

Exploitation Mechanism

The exploitation of CVE-2022-34152 involves a privileged user with local access utilizing the improper input validation in the BIOS firmware to escalate their privileges, potentially leading to unauthorized activities.

Mitigation and Prevention

In this section, we explore the necessary steps to address the CVE, both in the short term and through long-term security practices.

Immediate Steps to Take

Users of affected Intel(R) NUC Boards and Intel(R) NUC Kits should apply patches or updates provided by Intel to remediate the vulnerability. Additionally, restricting access to privileged users can help mitigate the risk of exploitation.

Long-Term Security Practices

To enhance overall security posture, organizations should implement robust security measures, including regular firmware updates, user access controls, and security monitoring to detect unauthorized privilege escalation attempts.

Patching and Updates

Intel has released updates addressing the CVE-2022-34152 vulnerability. It is crucial for users to promptly apply these patches to safeguard their systems against potential threats.