CVE-2022-36349 : Exploit Details and Defense Strategies
Learn about CVE-2022-36349, a vulnerability in Intel(R) NUC BIOS firmware before version MYi30060, enabling denial of service attacks. Understand the impact, technical details, and mitigation steps.
A detailed overview of CVE-2022-36349, discussing the vulnerability, its impact, technical details, and mitigation strategies.
Understanding CVE-2022-36349
What is CVE-2022-36349?
CVE-2022-36349 is a vulnerability in the BIOS firmware of some Intel(R) NUC Boards and Intel(R) NUC Kits before version MYi30060. It stems from insecure default variable initialization, potentially enabling a denial of service attack through local access.
The Impact of CVE-2022-36349
The vulnerability allows an authenticated user to trigger a denial of service, posing a medium level threat with a CVSS base score of 5.2.
Technical Details of CVE-2022-36349
Vulnerability Description
The insecure default variable initialization in BIOS firmware of affected Intel(R) NUC Boards and Kits allows for potential local access denial of service attacks.
Affected Systems and Versions
The vulnerability impacts Intel(R) NUC Boards and Intel(R) NUC Kits before version MYi30060, leaving them exposed to exploitation.
Exploitation Mechanism
An authenticated user can exploit the vulnerability through local access, leveraging the insecure variable initialization in BIOS firmware.
Mitigation and Prevention
Immediate Steps to Take
Users should update the BIOS firmware of the affected Intel(R) NUC Boards and Kits to version MYi30060 or later to mitigate the vulnerability.
Long-Term Security Practices
Implement strict access controls and regularly monitor for firmware updates and security advisories to maintain system security.
Patching and Updates
Regularly check for security updates from Intel and apply patches promptly to address known vulnerabilities.