Learn about CVE-2021-0107, a vulnerability in Intel(R) Processors firmware that may enable privilege escalation via local access. Find out impact, affected systems, and mitigation steps.
Unchecked return value in the firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.
Understanding CVE-2021-0107
This CVE, assigned to Intel(R) Processors, pertains to an unchecked return value in the firmware that could be exploited by a privileged user for privilege escalation through local access.
What is CVE-2021-0107?
CVE-2021-0107 is a vulnerability identified in the firmware of certain Intel(R) Processors. It poses a risk of privilege escalation for a privileged user through local system access.
The Impact of CVE-2021-0107
The impact of this vulnerability is that a threat actor with local access could potentially elevate their privileges, leading to unauthorized actions and compromise of the system integrity.
Technical Details of CVE-2021-0107
The technical details of CVE-2021-0107 are as follows:
Vulnerability Description
The vulnerability arises from an unchecked return value in the affected Intel(R) Processor firmware, enabling a privileged user to exploit it for privilege escalation.
Affected Systems and Versions
Intel(R) Processors are affected by this vulnerability. Specific affected versions can be found in the provided references.
Exploitation Mechanism
An attacker with local access can leverage the unchecked return value in the firmware to escalate their privileges and gain unauthorized control over the system.
Mitigation and Prevention
To mitigate the risks associated with CVE-2021-0107, immediate steps should be taken along with the implementation of long-term security practices.
Immediate Steps to Take
Immediately apply any security patches or updates provided by Intel or relevant vendors to address this vulnerability.
Long-Term Security Practices
Regularly update firmware and software, enforce the principle of least privilege, monitor system activity, and restrict access to critical system components.
Patching and Updates
Stay informed about security advisories from Intel and ensure timely installation of patches and updates to protect systems from potential exploitation.