CVE-2021-0103 : Security Advisory and Response
Learn about CVE-2021-0103 impacting Intel(R) Processors due to insufficient control flow management, allowing privileged users to escalate privileges locally.
A privilege escalation vulnerability, CVE-2021-0103, impacts some Intel(R) Processors due to insufficient control flow management in the firmware. This could potentially allow a privileged user to escalate their privileges through local access.
Understanding CVE-2021-0103
This section provides a detailed overview of the CVE-2021-0103 vulnerability.
What is CVE-2021-0103?
The vulnerability involves insufficient control flow management in the firmware of certain Intel(R) Processors, which may permit a privileged user to elevate their privileges locally.
The Impact of CVE-2021-0103
The impact of this vulnerability is the potential escalation of privilege by exploiting the control flow issues in the processor's firmware.
Technical Details of CVE-2021-0103
Explore the technical aspects of CVE-2021-0103 and how it affects systems and versions.
Vulnerability Description
The vulnerability arises from inadequate control flow management in the firmware, creating an avenue for a privileged user to leverage local access for privilege escalation.
Affected Systems and Versions
Intel(R) Processors are affected by this vulnerability. The specific affected versions are denoted as "See references" in the advisory.
Exploitation Mechanism
The exploitation of this vulnerability requires local access privileges on the system, enabling a privileged user to potentially escalate their privileges.
Mitigation and Prevention
Discover the steps to mitigate and prevent the CVE-2021-0103 vulnerability.
Immediate Steps to Take
It is recommended to apply security patches promptly to address this vulnerability and prevent potential privilege escalation attacks.
Long-Term Security Practices
Employ robust security practices, such as regular security updates and access control mechanisms, to enhance the overall security posture of the system.
Patching and Updates
Stay informed about security advisories from Intel and apply firmware updates as soon as they are released to mitigate the risk of privilege escalation.