CVE-2019-12572 : Vulnerability Insights and Analysis

A vulnerability in the London Trust Media Private Internet Access (PIA) VPN Client 1.0.2 (build 02363) for Windows allows an authenticated, local attacker to execute arbitrary code with elevated privileges.

Understanding CVE-2019-12572

What is CVE-2019-12572?

This CVE describes a security flaw in the PIA VPN Client for Windows that enables a user to run malicious code with elevated privileges.

The Impact of CVE-2019-12572

The vulnerability permits an attacker to execute arbitrary code as SYSTEM, potentially leading to severe system compromise.

Technical Details of CVE-2019-12572

Vulnerability Description

The PIA Windows service loads the OpenSSL library from a specific path during startup, attempting to load a missing configuration file that can be exploited by an attacker.

Affected Systems and Versions

London Trust Media Private Internet Access (PIA) VPN Client 1.0.2 (build 02363) for Windows

Exploitation Mechanism

Authenticated users can create directories under C:\ on Windows systems by default, allowing the creation of a malicious OpenSSL engine library to execute arbitrary code as SYSTEM.

Mitigation and Prevention

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Monitor system logs for any unusual activities.
Restrict user privileges to minimize the impact of potential attacks.

Long-Term Security Practices

Regularly update and patch all software and applications.
Conduct security training for users to raise awareness of potential threats.

Patching and Updates

Ensure the PIA VPN Client is updated to a secure version that addresses the vulnerability.