CVE-2018-3689 : Exploit Details and Defense Strategies

A local attacker can disable the AESM daemon in the Intel Software Guard Extensions (SGX) Platform Software Component for Linux before version 2.1.102, leading to a denial of service affecting functionalities like remote attestation.

Understanding CVE-2018-3689

This CVE involves a vulnerability in the Intel Software Guard Extensions (SGX) Platform Software Component for Linux.

What is CVE-2018-3689?

CVE-2018-3689 allows a local attacker to disrupt the AESM daemon in the Intel SGX Platform Software Component for Linux, potentially causing a denial of service.

The Impact of CVE-2018-3689

The vulnerability can result in a denial of service, affecting critical functionalities such as remote attestation provided by the AESM.

Technical Details of CVE-2018-3689

This section provides more technical insights into the CVE.

Vulnerability Description

A local attacker can effectively disable the AESM daemon in the Intel Software Guard Extensions Platform Software Component for Linux before version 2.1.102.

Affected Systems and Versions

Product: Guard Extensions Platform Software Component for Linux
Vendor: Intel Corporation
Versions Affected: before 2.1.102

Exploitation Mechanism

The vulnerability can be exploited by a local attacker to disrupt the AESM daemon, leading to a denial of service.

Mitigation and Prevention

Protecting systems from CVE-2018-3689 is crucial to maintaining security.

Immediate Steps to Take

Update the affected software to version 2.1.102 or later.
Implement strict access controls to prevent unauthorized access to the AESM daemon.

Long-Term Security Practices

Regularly monitor and audit system logs for any unusual activities.
Conduct security training for personnel to recognize and respond to potential threats.

Patching and Updates

Apply security patches provided by Intel promptly to address the vulnerability and enhance system security.