CVE-2020-8746 Explained : Impact and Mitigation

Intel(R) AMT versions before 11.8.80, 11.12.80, 11.22.80, 12.0.70, and 14.0.45 are affected by an integer overflow vulnerability that may lead to denial of service.

Understanding CVE-2020-8746

This CVE involves an integer overflow issue in Intel(R) AMT that could potentially enable a denial of service attack.

What is CVE-2020-8746?

An integer overflow vulnerability in Intel(R) AMT versions before specific releases may allow an unauthenticated user to trigger a denial of service through adjacent access.

The Impact of CVE-2020-8746

The vulnerability could be exploited by an unauthorized user to cause a denial of service, impacting the availability of the affected systems.

Technical Details of CVE-2020-8746

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability in Intel(R) AMT versions before certain releases involves an integer overflow in the subsystem, potentially leading to denial of service.

Affected Systems and Versions

Product: Intel(R) AMT
Versions Affected: versions before 11.8.80, 11.12.80, 11.22.80, 12.0.70, and 14.0.45

Exploitation Mechanism

The vulnerability may be exploited by an unauthenticated user through adjacent access, leveraging the integer overflow in the subsystem.

Mitigation and Prevention

Protecting systems from CVE-2020-8746 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Intel for the affected versions.
Monitor network traffic for any signs of exploitation.
Implement strong access controls to limit unauthorized access.

Long-Term Security Practices

Regularly update and patch all software and firmware to prevent vulnerabilities.
Conduct security assessments and penetration testing to identify and address potential weaknesses.

Patching and Updates

Intel has released patches for the affected versions; ensure timely installation to mitigate the risk of exploitation.