CVE-2017-8083 : Security Advisory and Response

Devices like CompuLab Intense PC and MintBox 2, with BIOS versions older than 2017-05-21, are vulnerable to a firmware rootkit installation due to a lack of CloseMnf protection.

Understanding CVE-2017-8083

This CVE highlights a security vulnerability in certain devices that can be exploited by users with administrative privileges.

What is CVE-2017-8083?

The vulnerability arises from the absence of the CloseMnf protection mechanism in the BIOS of specific devices, enabling unauthorized firmware modifications.

The Impact of CVE-2017-8083

The vulnerability allows local users to install a firmware rootkit, compromising the integrity and security of the affected devices.

Technical Details of CVE-2017-8083

This section delves into the specifics of the vulnerability.

Vulnerability Description

Devices lacking the CloseMnf protection mechanism in their BIOS are susceptible to unauthorized firmware modifications by users with administrative privileges.

Affected Systems and Versions

Devices: CompuLab Intense PC, MintBox 2
Vulnerable BIOS versions: Older than 2017-05-21

Exploitation Mechanism

Users with administrative privileges can exploit this vulnerability to install a firmware rootkit, potentially leading to unauthorized access and control.

Mitigation and Prevention

Protecting systems from CVE-2017-8083 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update BIOS to a version released after 2017-05-21.
Implement strict access controls to limit administrative privileges.

Long-Term Security Practices

Regularly monitor and audit firmware integrity.
Educate users on the risks of unauthorized firmware modifications.

Patching and Updates

Apply firmware updates and security patches provided by the device manufacturer to address the vulnerability.