CVE-2018-10711 Explained : Impact and Mitigation

ASRock RGBLED, A-Tuning, F-Stream, and RestartToUEFI software versions prior to specified versions contain a vulnerability that allows unauthorized access and modification of Machine Specific Registers (MSRs) by low-level drivers, potentially leading to the execution of unauthorized code at the kernel level.

Understanding CVE-2018-10711

In this CVE, the AsrDrv101.sys and AsrDrv102.sys low-level drivers in ASRock RGBLED, A-Tuning, F-Stream, and RestartToUEFI software versions expose a security flaw that could be exploited to execute unauthorized code at the kernel level.

What is CVE-2018-10711?

The vulnerability in the low-level drivers of ASRock RGBLED, A-Tuning, F-Stream, and RestartToUEFI software versions allows access and modification of Machine Specific Registers (MSRs), potentially enabling the execution of unauthorized code at the kernel level.

The Impact of CVE-2018-10711

Exploiting this vulnerability could result in the execution of unauthorized code at the kernel level, posing a significant security risk to affected systems.

Technical Details of CVE-2018-10711

The technical aspects of the vulnerability in ASRock RGBLED, A-Tuning, F-Stream, and RestartToUEFI software versions.

Vulnerability Description

The AsrDrv101.sys and AsrDrv102.sys low-level drivers in the specified software versions expose functionality to read and write Machine Specific Registers (MSRs), potentially allowing the execution of arbitrary ring-0 code.

Affected Systems and Versions

ASRock RGBLED versions prior to v1.0.35.1
A-Tuning versions prior to v3.0.210
F-Stream versions prior to v3.0.210
RestartToUEFI versions prior to v1.0.6.2

Exploitation Mechanism

The vulnerability allows unauthorized access and modification of Machine Specific Registers (MSRs) by the low-level drivers, which could be leveraged to execute unauthorized code at the kernel level.

Mitigation and Prevention

Steps to mitigate and prevent the exploitation of CVE-2018-10711.

Immediate Steps to Take

Update ASRock RGBLED, A-Tuning, F-Stream, and RestartToUEFI software to the latest versions that contain patches for the vulnerability.
Monitor for any unauthorized access or modifications to Machine Specific Registers (MSRs).

Long-Term Security Practices

Regularly update and patch all software and drivers to address security vulnerabilities.
Implement strict access controls and monitoring mechanisms to detect and prevent unauthorized access to critical system components.

Patching and Updates

Apply patches provided by ASRock for the affected software versions to mitigate the vulnerability and enhance system security.