CVE-2020-0539 : Exploit Details and Defense Strategies

Intel AMT and Intel CSME are impacted by a path traversal vulnerability that could allow denial of service through local access.

Understanding CVE-2020-0539

A vulnerability affecting Intel AMT and Intel CSME versions prior to specified versions allows an unprivileged user to potentially enable denial of service.

What is CVE-2020-0539?

Path traversal vulnerability in Intel DAL software for Intel CSME versions pre-defined.
Risk: Local access privileges to enable denial of service.

The Impact of CVE-2020-0539

Escalation of Privilege, Denial of Service, Information Disclosure potential risks.

Technical Details of CVE-2020-0539

Vulnerability in subsystem for Intel DAL software affecting Intel CSME versions before specified versions.

Vulnerability Description

Path traversal flaw in Intel DAL software for Intel CSME versions.

Affected Systems and Versions

Intel CSME versions before 11.8.77, 11.12.77, 11.22.77, 12.0.64, 13.0.32, 14.0.33.
Intel TXE versions before 3.1.75, 4.0.25.

Exploitation Mechanism

Unprivileged user exploiting the vulnerability through local access.

Mitigation and Prevention

Immediate action, security practices, and patching guidelines.

Immediate Steps to Take

Implement recommended patches provided by Intel.
Ensure privileged access restrictions on vulnerable systems.
Monitor and restrict local access to mitigate risks.

Long-Term Security Practices

Regular security audits and vulnerability assessments.
Train users on the importance of access control and data protection.
Stay updated on vendor security advisories.
Employ network segmentation to contain potential attacks.

Patching and Updates

Apply security patches provided by Intel for affected versions.