CVE-2019-18845 : What You Need to Know

This CVE-2019-18845 article provides insights into a security vulnerability in the drivers MsIo64.sys and MsIo32.sys used in Patriot Viper RGB versions prior to 1.1, allowing local users to gain elevated privileges.

Understanding CVE-2019-18845

This section delves into the details of the vulnerability and its impact.

What is CVE-2019-18845?

The drivers MsIo64.sys and MsIo32.sys in Patriot Viper RGB versions before 1.1 enable local users, including low integrity processes, to access and modify any memory addresses. This access can lead to elevated privileges as NT AUTHORITY\SYSTEM.

The Impact of CVE-2019-18845

Exploiting this vulnerability allows unauthorized users to gain elevated privileges, posing a significant security risk to affected systems.

Technical Details of CVE-2019-18845

Explore the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability in MsIo64.sys and MsIo32.sys drivers permits local users to read and write to arbitrary memory locations, potentially leading to NT AUTHORITY\SYSTEM privileges.

Affected Systems and Versions

Product: Patriot Viper RGB
Versions Affected: Prior to 1.1

Exploitation Mechanism

By mapping \Device\PhysicalMemory into their process using ZwOpenSection and ZwMapViewOfSection functions, attackers can exploit this vulnerability to escalate privileges.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2019-18845.

Immediate Steps to Take

Update Patriot Viper RGB to version 1.1 or above to patch the vulnerability.
Restrict access to vulnerable drivers to trusted users only.

Long-Term Security Practices

Regularly update and patch all system components to prevent future vulnerabilities.
Implement the principle of least privilege to limit access rights for users and processes.

Patching and Updates

Stay informed about security advisories and promptly apply patches to address known vulnerabilities.