CVE-2021-0111 Explained : Impact and Mitigation
Learn about CVE-2021-0111, a vulnerability in Intel(R) Processors that can allow privileged users to escalate privileges locally. Follow mitigation steps to secure affected systems.
A NULL pointer dereference in the firmware for some Intel(R) Processors has been identified, potentially enabling a privileged user to escalate privileges via local access.
Understanding CVE-2021-0111
This CVE involves a vulnerability in Intel(R) Processors that could lead to an escalation of privilege.
What is CVE-2021-0111?
The CVE-2021-0111 is a NULL pointer dereference vulnerability found in the firmware of certain Intel(R) Processors. This flaw could be exploited by a privileged user to potentially escalate their privileges through local access.
The Impact of CVE-2021-0111
The impact of this vulnerability is significant as it could allow an attacker with local access to the system to gain elevated privileges, posing a serious security risk to the affected systems.
Technical Details of CVE-2021-0111
This section provides specific technical details about the CVE-2021-0111 vulnerability.
Vulnerability Description
The vulnerability involves a NULL pointer dereference in the firmware of Intel(R) Processors, which can be leveraged by a privileged user to escalate their privileges.
Affected Systems and Versions
The issue affects specific versions of Intel(R) Processors. Users are advised to refer to the provided references for details on the impacted versions.
Exploitation Mechanism
The exploitation of this vulnerability may involve a privileged user taking advantage of the NULL pointer dereference in the processor firmware to enable an escalation of privilege.
Mitigation and Prevention
To address CVE-2021-0111, immediate steps should be taken to mitigate the risk and prevent potential exploitation.
Immediate Steps to Take
Users are recommended to apply any patches or updates provided by Intel(R) to address this vulnerability promptly. Implementing strong access controls and monitoring privileged access can also help mitigate the risk.
Long-Term Security Practices
In the long term, organizations should follow security best practices such as regular security audits, ensuring timely installation of security updates, and educating users about safe computing practices.
Patching and Updates
Stay informed about security advisories from Intel(R) and apply patches or updates as soon as they are made available to safeguard systems against potential security threats.