Learn about CVE-2022-31477, an Intel NUC BIOS firmware vulnerability enabling information disclosure. Impact rating is MEDIUM. Explore mitigation steps.
This article provides an overview of CVE-2022-31477, a vulnerability related to Intel(R) NUC BIOS firmware that could result in information disclosure.
Understanding CVE-2022-31477
In this section, we will explore the details of CVE-2022-31477.
What is CVE-2022-31477?
The CVE-2022-31477 vulnerability involves improper initialization in some Intel(R) NUC BIOS firmware, potentially allowing a privileged user to enable information disclosure through local access.
The Impact of CVE-2022-31477
The impact of CVE-2022-31477 is rated as MEDIUM, with a CVSS base score of 4. The confidentiality impact is considered HIGH while the integrity and availability impact are rated as NONE.
Technical Details of CVE-2022-31477
This section delves into the technical specifics of CVE-2022-31477.
Vulnerability Description
The vulnerability arises from improper initialization in Intel(R) NUC BIOS firmware, enabling a privileged user to exploit it for potential information disclosure when accessed locally.
Affected Systems and Versions
The affected system is the Intel(R) NUC BIOS firmware. Users are advised to refer to specific references for version details.
Exploitation Mechanism
To exploit CVE-2022-31477, a privileged user with local access can take advantage of the improper initialization in the Intel(R) NUC BIOS firmware.
Mitigation and Prevention
In this section, we outline the steps to mitigate and prevent the CVE-2022-31477 vulnerability.
Immediate Steps to Take
Users are recommended to review the Intel security advisory linked in the references and follow the provided guidance to address the vulnerability promptly.
Long-Term Security Practices
Implementing robust security practices, including regular security updates and monitoring, can help safeguard against potential vulnerabilities such as CVE-2022-31477.
Patching and Updates
Stay informed about security patches and updates released by Intel to remediate vulnerabilities like CVE-2022-31477 and ensure the BIOS firmware is up to date.