CVE-2020-1159 : Exploit Details and Defense Strategies

A Windows Elevation of Privilege Vulnerability affecting various versions of Windows.

Understanding CVE-2020-1159

What is CVE-2020-1159?

An elevation of privilege vulnerability in StartTileData.dll allows attackers to execute code with elevated permissions.

The Impact of CVE-2020-1159

Attackers could run specially crafted applications to exploit the vulnerability.
The security update resolves the issue by enhancing StartTileData.dll's handling of file creation.

Technical Details of CVE-2020-1159

Vulnerability Description

The vulnerability in StartTileData.dll allows for unauthorized code execution with elevated privileges.

Affected Systems and Versions

Windows 10 Version 1909 (32-bit, x64-based, ARM64-based)
Windows Server version 1909 (Server Core)
Windows 10 Version 1903 for 32-bit, x64-based, ARM64-based Systems
Windows Server version 1903 (Server Core)
Windows 10 Version 2004 for 32-bit, ARM64-based, x64-based Systems
Windows Server version 2004 (x64-based)

Exploitation Mechanism

An attacker needs local authentication to run a specially crafted application and exploit the vulnerability.

Mitigation and Prevention

Immediate Steps to Take

Apply the security update provided by Microsoft to fix the vulnerability.
Restrict user permissions to minimize the impact of potential attacks.

Long-Term Security Practices

Regularly update systems with the latest patches and security updates.
Implement strong authentication mechanisms to prevent unauthorized access.
Conduct security training to educate users on recognizing and reporting suspicious activities.

Patching and Updates

Always stay informed about security advisories and apply patches promptly to protect systems from known vulnerabilities.