CVE-2022-36789 : Exploit Details and Defense Strategies

A detailed overview of CVE-2022-36789 highlighting the impact, technical details, and mitigation strategies.

Understanding CVE-2022-36789

This section dives into the specifics of CVE-2022-36789, focusing on the vulnerability, its impact, and affected systems.

What is CVE-2022-36789?

The CVE-2022-36789 vulnerability involves improper access control in BIOS firmware for some Intel(R) NUC 10 Performance Kits and Intel(R) NUC 10 Performance Mini PCs before version FNCML357.0053. This flaw may potentially enable a privileged user to escalate their privileges via local access.

The Impact of CVE-2022-36789

The impact of CVE-2022-36789 is rated as HIGH according to CVSS v3.1, with a base score of 7.5. The vulnerability could lead to an escalation of privilege scenario, posing a significant risk to affected systems.

Technical Details of CVE-2022-36789

This section provides deeper insights into the vulnerability, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The vulnerability revolves around improper access control in the BIOS firmware of the specified Intel(R) NUC devices, potentially allowing a privileged user to escalate their privileges.

Affected Systems and Versions

The affected systems include Intel(R) NUC 10 Performance Kits and Intel(R) NUC 10 Performance Mini PCs before version FNCML357.0053.

Exploitation Mechanism

A privileged user with local access may exploit this vulnerability to enable escalation of privilege, highlighting the critical nature of the issue.

Mitigation and Prevention

In this section, we outline the necessary steps to mitigate and prevent exploitation of CVE-2022-36789.

Immediate Steps to Take

Users are advised to update to version FNCML357.0053 or newer to address this vulnerability. Additionally, employing strict access controls and monitoring privileged user activities can help reduce the risk of exploitation.

Long-Term Security Practices

Implementing a robust security policy, conducting regular security audits, and staying informed about security advisories can enhance the long-term security posture of Intel(R) NUC devices.

Patching and Updates

Regularly applying security patches and firmware updates provided by Intel is crucial to remediate vulnerabilities and strengthen the security of affected systems.