CVE-2018-12147 : Vulnerability Insights and Analysis

Intel(R) CSME Assets Advisory prior to version 11.21.55 may allow privilege escalation through local access.

Understanding CVE-2018-12147

The vulnerability in the HECI subsystem of Intel(R) CSME could enable a privileged user to escalate privileges via inadequate input validation.

What is CVE-2018-12147?

The HECI subsystem in Intel(R) CSME before version 11.21.55, Intel(R) Server Platform Services before version 4.0, and Intel(R) Trusted Execution Engine Firmware before version 3.1.55 may have insufficient input validation, potentially leading to privilege escalation through local access.

The Impact of CVE-2018-12147

This vulnerability could allow a privileged user to elevate their privileges, posing a significant security risk to affected systems.

Technical Details of CVE-2018-12147

Vulnerability Description

The vulnerability lies in the inadequate input validation in the HECI subsystem of Intel(R) CSME, Intel(R) Server Platform Services, and Intel(R) Trusted Execution Engine Firmware.

Affected Systems and Versions

Product: Intel(R) CSME Assets Advisory
Versions Affected: before 11.21.55

Exploitation Mechanism

The privilege escalation can be exploited by a privileged user through local access to the affected systems.

Mitigation and Prevention

Immediate Steps to Take

Apply the necessary security patches provided by Intel to address this vulnerability.
Monitor and restrict privileged user access to critical systems.

Long-Term Security Practices

Regularly update and patch all software and firmware to prevent security vulnerabilities.
Implement strong access controls and least privilege principles to limit the impact of potential privilege escalation.

Patching and Updates

It is crucial to promptly apply the security updates released by Intel to mitigate the risk of privilege escalation through this vulnerability.