CVE-2019-3666 Explained : Impact and Mitigation

A vulnerability related to API abuse/misuse has been identified in the web interface of McAfee Web Advisor (WA) version prior to 4.1.1.48. This vulnerability enables a remote attacker, without authentication, to exploit the web browser and gain access to restricted websites by utilizing a specifically designed website.

Understanding CVE-2019-3666

This CVE involves an API abuse vulnerability in McAfee Web Advisor (WA) that allows unauthorized remote attackers to navigate to restricted websites through a maliciously crafted website.

What is CVE-2019-3666?

CVE-2019-3666 is an API abuse/misuse vulnerability in McAfee Web Advisor (WA) versions prior to 4.1.1.48, enabling remote unauthenticated attackers to manipulate the web browser and access restricted websites.

The Impact of CVE-2019-3666

The vulnerability's impact is rated as MEDIUM with a CVSS base score of 6.5. It poses a high integrity impact, requiring user interaction but no privileges, and has a low attack complexity.

Technical Details of CVE-2019-3666

Vulnerability Description

Type: API Abuse/Misuse vulnerability
Exploitation: Remote unauthenticated attackers
Consequence: Access to restricted websites

Affected Systems and Versions

Product: McAfee Web Advisor (WA)
Vendor: McAfee, LLC
Vulnerable Versions: Prior to 4.1.1.48

Exploitation Mechanism

Attack Vector: Network
Attack Complexity: Low
User Interaction: Required
Scope: Unchanged
Integrity Impact: High

Mitigation and Prevention

Immediate Steps to Take

Update McAfee Web Advisor to version 4.1.1.48 or later
Monitor network traffic for any suspicious activity
Implement strong web browsing security practices

Long-Term Security Practices

Regularly update security software and patches
Conduct security awareness training for users

Patching and Updates

Apply vendor-supplied patches promptly
Follow best practices for secure web browsing