CVE-2019-14556 Explained : Impact and Mitigation
Learn about CVE-2019-14556, a BIOS firmware vulnerability in certain Intel processors that could enable a denial of service attack. Find mitigation steps and preventive measures here.
A vulnerability in the BIOS firmware of certain Intel processors could allow a privileged user to trigger a denial of service attack through local access.
Understanding CVE-2019-14556
This CVE identifies a security issue in the BIOS firmware of specific Intel processors that could lead to a denial of service attack.
What is CVE-2019-14556?
The vulnerability stems from improper initialization in the BIOS firmware of 8th, 9th, and 10th Generation Intel Core processors, as well as Intel Celeron Processor 4000 & 5000 Series Processors. If exploited by a privileged user with local access, it could enable a denial of service attack.
The Impact of CVE-2019-14556
The vulnerability could result in a denial of service condition when leveraged by a privileged user, potentially disrupting system operations and services.
Technical Details of CVE-2019-14556
This section delves into the technical aspects of the CVE.
Vulnerability Description
The vulnerability arises from improper initialization in the BIOS firmware of specific Intel processors, allowing a privileged user to trigger a denial of service attack through local access.
Affected Systems and Versions
- Product: Intel BIOS
- Versions: 8th, 9th, 10th Generation Intel Core processors, Intel Celeron Processor 4000 & 5000 Series Processors
Exploitation Mechanism
The vulnerability can be exploited by a privileged user with local access to the affected systems, enabling them to initiate a denial of service attack.
Mitigation and Prevention
Protective measures to address the CVE.
Immediate Steps to Take
- Apply security patches provided by Intel promptly to mitigate the vulnerability.
- Implement strict access controls to limit privileged user actions.
Long-Term Security Practices
- Regularly update BIOS firmware to the latest versions to address security vulnerabilities.
- Conduct security assessments and audits to identify and remediate potential weaknesses.
Patching and Updates
Regularly check for and apply BIOS firmware updates from Intel to ensure the latest security patches are in place.