CVE-2019-0959 : Exploit Details and Defense Strategies

A security flaw in the Windows Common Log File System (CLFS) driver has been identified, leading to an elevation of privilege vulnerability. This flaw is also known as the 'Windows Common Log File System Driver Elevation of Privilege Vulnerability'.

Understanding CVE-2019-0959

This CVE ID is distinct from CVE-2019-0984.

What is CVE-2019-0959?

This vulnerability arises from incorrect handling of objects in memory within the Windows CLFS driver.

The Impact of CVE-2019-0959

The vulnerability allows attackers to elevate privileges on affected systems, potentially leading to unauthorized access and control.

Technical Details of CVE-2019-0959

The technical aspects of this CVE are as follows:

Vulnerability Description

Type: Elevation of Privilege
Vulnerable Component: Windows Common Log File System (CLFS) driver
Vulnerability Name: Windows Common Log File System Driver Elevation of Privilege

Affected Systems and Versions

Windows 10 Version 1803 for 32-bit, x64-based, and ARM64-based Systems
Windows 10 Version 1809 for 32-bit, x64-based, and ARM64-based Systems
Windows Server version 1803 (Core Installation), 2019, and 2019 (Core installation)
Windows 10 Version 1903 for 32-bit, x64-based, and ARM64-based Systems
Windows Server version 1903 (Server Core installation)

Exploitation Mechanism

The vulnerability is exploited by manipulating objects in memory to gain elevated privileges on the affected systems.

Mitigation and Prevention

To address CVE-2019-0959, follow these steps:

Immediate Steps to Take

Apply security updates provided by Microsoft promptly.
Monitor official sources for patches and advisories.
Implement the principle of least privilege to limit potential impact.

Long-Term Security Practices

Regularly update and patch all software and systems.
Conduct security assessments and audits to identify vulnerabilities.
Educate users on safe computing practices and security awareness.

Patching and Updates

Microsoft has released patches to address this vulnerability. Ensure all affected systems are updated with the latest security updates.