CVE-2022-33945 : What You Need to Know

This article provides detailed information about CVE-2022-33945, including its description, impact, technical details, and mitigation steps.

Understanding CVE-2022-33945

CVE-2022-33945 is a vulnerability related to improper input validation in certain Intel(R) Server board and Intel(R) Server System BIOS firmware, potentially enabling a privileged user to escalate their privileges via local access.

What is CVE-2022-33945?

The vulnerability in some Intel(R) Server board and Intel(R) Server System BIOS firmware allows a privileged user to potentially enable an escalation of privilege through local access.

The Impact of CVE-2022-33945

The impact of CVE-2022-33945 is rated as HIGH, with a CVSS base score of 8.2. This means that if exploited, it can result in significant confidentiality, integrity, and availability impacts on affected systems.

Technical Details of CVE-2022-33945

This section covers the vulnerability description, affected systems, and the exploitation mechanism of CVE-2022-33945.

Vulnerability Description

The vulnerability arises from improper input validation in certain Intel(R) Server board and Intel(R) Server System BIOS firmware, allowing a privileged user to potentially escalate their privileges locally.

Affected Systems and Versions

The affected systems include Intel(R) Server board and Intel(R) Server System BIOS firmware. Specific version details are not provided, and it is recommended to refer to the vendor's advisory for more information.

Exploitation Mechanism

The exploitation of this vulnerability requires a privileged user to have local access to the affected systems, leveraging the improper input validation in the BIOS firmware.

Mitigation and Prevention

In response to CVE-2022-33945, it is essential to take immediate steps to secure affected systems and implement long-term security practices.

Immediate Steps to Take

Refer to the official advisory provided by Intel to understand the impact and necessary actions to be taken.
Consider restricting physical access to vulnerable systems to prevent local exploitation.

Long-Term Security Practices

Regularly update BIOS firmware and apply security patches provided by Intel.
Implement strong access controls and privilege management to limit the impact of potential privilege escalation vulnerabilities.

Patching and Updates

Stay informed about any security updates or patches released by Intel for the affected BIOS firmware to mitigate the risk associated with CVE-2022-33945.