CVE-2021-44899 : Exploit Details and Defense Strategies

Micro-Star International (MSI) Center <= 1.0.31.0 is vulnerable to multiple Privilege Escalation vulnerabilities in various driver components, triggered by specific IOCTL requests.

Understanding CVE-2021-44899

This CVE involves a vulnerability in Micro-Star International (MSI) Center that allows Privilege Escalation through specific IOCTL requests.

What is CVE-2021-44899?

The vulnerability in Micro-Star International (MSI) Center <= 1.0.31.0 enables Privilege Escalation attacks due to flaws in certain driver components when handling specific IOCTL requests.

The Impact of CVE-2021-44899

The vulnerabilities can be exploited by attackers to escalate their privileges on the affected systems, potentially leading to unauthorized access and control.

Technical Details of CVE-2021-44899

This section provides detailed technical information about the CVE.

Vulnerability Description

Affected Component: atidgllk.sys, atillk64.sys, MODAPI.sys, NTIOLib.sys, NTIOLib_X64.sys, WinRing0.sys, WinRing0x64.sys drivers
Trigger: Sending specific IOCTL requests

Affected Systems and Versions

Vulnerable Software: Micro-Star International (MSI) Center <= 1.0.31.0

Exploitation Mechanism

The vulnerabilities are exploited by sending crafted IOCTL requests to the vulnerable drivers, allowing attackers to gain escalated privileges.

Mitigation and Prevention

Steps to address and prevent the CVE.

Immediate Steps to Take

Apply the latest security patches provided by Micro-Star International to fix the vulnerabilities.
Monitor for any unauthorized system access or privilege escalations.

Long-Term Security Practices

Regularly update and patch all software components to prevent known vulnerabilities.
Implement the principle of least privilege to restrict user access rights.

Patching and Updates

Keep the MSI Center software up to date with the latest security patches to mitigate the Privilege Escalation vulnerabilities.