CVE-2019-3588 : Security Advisory and Response

A security flaw in McAfee VirusScan Enterprise (VSE) 8.8 allows unauthorized users to interact with the On-Access Scan Messages - Threat Alert Window when the Windows Login Screen is locked.

Understanding CVE-2019-3588

This CVE involves a privilege escalation vulnerability in the Microsoft Windows client (McTray.exe) of McAfee VirusScan Enterprise (VSE) 8.8 before Patch 14.

What is CVE-2019-3588?

The vulnerability in VSE 8.8 enables users with unauthorized access to bypass Windows credentials on the lock screen, potentially compromising system security.

The Impact of CVE-2019-3588

The vulnerability poses a medium severity risk with high impacts on confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2019-3588

This section provides detailed technical information about the CVE.

Vulnerability Description

CVE ID: CVE-2019-3588
CWE ID: CWE-269: Improper Privilege Management
Attack Vector: Physical
Privileges Required: None
User Interaction: Required

Affected Systems and Versions

Product: McAfee VirusScan Enterprise (VSE)
Vendor: McAfee, LLC
Vulnerable Version: 8.8.x (before Patch 14)

Exploitation Mechanism

The vulnerability allows unauthorized users to interact with the Threat Alert Window when the Windows Login Screen is locked, potentially leading to privilege escalation.

Mitigation and Prevention

Protect your systems from CVE-2019-3588 with the following steps:

Immediate Steps to Take

Apply Patch 14 for McAfee VirusScan Enterprise (VSE) 8.8
Monitor system logs for any suspicious activities
Restrict access to critical system components

Long-Term Security Practices

Regularly update security software and patches
Conduct security training for employees to prevent unauthorized access
Implement multi-factor authentication for enhanced security

Patching and Updates

Ensure all systems are updated with the latest security patches
Regularly check for vendor updates and security advisories