CVE-2021-29337 : Vulnerability Insights and Analysis

MODAPI.sys in MSI Dragon Center 2.0.104.0 has a vulnerability that allows low-privileged users to access kernel memory and potentially escalate privileges. This occurs through a crafted IOCTL call, enabling the mapping of physical memory.

Understanding CVE-2021-29337

This section delves into what CVE-2021-29337 entails, its impacts, technical details, and mitigation strategies.

What is CVE-2021-29337?

CVE-2021-29337 is a vulnerability in MODAPI.sys within MSI Dragon Center 2.0.104.0. Exploitation of this flaw allows users with low privileges to gain access to kernel memory and potentially escalate their privileges by manipulating IOCTL calls.

The Impact of CVE-2021-29337

The impact of this vulnerability is significant as it exposes a security loophole that can be exploited by malicious actors to gain unauthorized access and control over a system. This could lead to further attacks and compromise the integrity and confidentiality of the affected system.

Technical Details of CVE-2021-29337

Let's dive deeper into the technical aspects of CVE-2021-29337 to understand the vulnerability better.

Vulnerability Description

The vulnerability lies in MODAPI.sys, allowing unauthorized users to access kernel memory through a specifically crafted IOCTL 0x9c406104 call. This IOCTL operation facilitates the mapping of physical memory, creating a critical security risk.

Affected Systems and Versions

MSI Dragon Center 2.0.104.0 is specifically impacted by this vulnerability, potentially affecting systems running this version of the software.

Exploitation Mechanism

By leveraging a crafted IOCTL 0x9c406104 call, low-privileged users can exploit this vulnerability, accessing kernel memory and manipulating system privileges.

Mitigation and Prevention

Protecting systems from CVE-2021-29337 requires immediate action and long-term security measures.

Immediate Steps to Take

Users are advised to apply relevant patches and security updates provided by MSI to fix the vulnerability. Additionally, restricting access privileges and monitoring system activities can help mitigate the risk.

Long-Term Security Practices

Implementing robust security practices such as regular security audits, intrusion detection systems, and user training on safe computing practices can enhance overall system security.

Patching and Updates

It is crucial to stay informed about security advisories from MSI and promptly apply patches and updates to ensure systems are protected from CVE-2021-29337.