CVE-2021-0099 : Exploit Details and Defense Strategies
Learn about CVE-2021-0099 affecting Intel(R) Processors firmware, allowing privilege escalation via local access. Find mitigation steps and prevention strategies here.
Insufficient control flow management in the firmware for some Intel(R) Processors may allow an authenticated user to potentially enable an escalation of privilege via local access.
Understanding CVE-2021-0099
This CVE involves a vulnerability in certain Intel(R) Processors that could be exploited by an authenticated user to escalate privileges locally.
What is CVE-2021-0099?
The CVE-2021-0099 vulnerability relates to inadequate control flow management in the firmware of specific Intel(R) Processors, posing a risk of privilege escalation for authenticated users with local access.
The Impact of CVE-2021-0099
The impact of CVE-2021-0099 is the potential for an authenticated user to elevate their privileges locally, which could lead to unauthorized access and control over sensitive system resources.
Technical Details of CVE-2021-0099
This section covers the technical aspects of the CVE, including the vulnerability description, affected systems and versions, and the exploitation mechanism.
Vulnerability Description
The vulnerability arises from insufficient control flow management in the firmware of certain Intel(R) Processors, enabling an attacker with local access to potentially escalate their privileges.
Affected Systems and Versions
The affected systems include Intel(R) Processors. Specific versions are detailed in the references provided.
Exploitation Mechanism
The exploitation of CVE-2021-0099 involves an authenticated user leveraging the vulnerability in the processor firmware to escalate their privileges within the system.
Mitigation and Prevention
In this section, we outline steps to mitigate the risks associated with CVE-2021-0099, including immediate actions and long-term security practices.
Immediate Steps to Take
Immediately update the affected Intel(R) Processors with the recommended security patches provided by Intel. Limit access to privileged functions to authorized personnel only.
Long-Term Security Practices
Implement strict access controls, regular security audits, and firmware updates to prevent similar vulnerabilities in the future. Educate users on secure computing practices.
Patching and Updates
Regularly monitor security advisories from Intel and apply firmware updates promptly to address known vulnerabilities and enhance system security.