CVE-2021-33124 : Exploit Details and Defense Strategies

A vulnerability in the BIOS authenticated code module of certain Intel(R) Processors could allow a privileged user to potentially escalate privileges through local access.

Understanding CVE-2021-33124

This CVE relates to an out-of-bounds write issue in the BIOS authenticated code module for specific Intel(R) Processors, which can be exploited for privilege escalation.

What is CVE-2021-33124?

The CVE-2021-33124 vulnerability involves a flaw in the BIOS authenticated code module of Intel(R) Processors, enabling a privileged user to potentially escalate privileges locally.

The Impact of CVE-2021-33124

If exploited, CVE-2021-33124 could allow a malicious actor with local access to the system to gain elevated privileges, posing a significant security risk.

Technical Details of CVE-2021-33124

This section provides detailed technical information on the vulnerability.

Vulnerability Description

The vulnerability involves an out-of-bounds write issue in the BIOS authenticated code module of certain Intel(R) Processors, potentially enabling privilege escalation.

Affected Systems and Versions

The vulnerability affects Intel(R) Processors. Specific affected versions can be found in the provided references.

Exploitation Mechanism

The privilege escalation can be achieved by leveraging the out-of-bounds write vulnerability in the BIOS authenticated code module of the identified Intel(R) Processors.

Mitigation and Prevention

Discover the measures to mitigate and prevent the exploitation of CVE-2021-33124.

Immediate Steps to Take

Users are advised to apply relevant patches provided by the vendor and follow security best practices to secure their systems.

Long-Term Security Practices

Implementing robust security protocols and regular system updates can help prevent and detect potential vulnerabilities like CVE-2021-33124.

Patching and Updates

Stay informed about security updates and patches released by Intel to address the CVE-2021-33124 vulnerability.