CVE-2020-16884 : Exploit Details and Defense Strategies

A remote code execution vulnerability in the IEToEdge Browser Helper Object (BHO) plugin on Internet Explorer allows attackers to execute arbitrary code in the context of the current user, potentially gaining the same user rights.

Understanding CVE-2020-16884

This CVE involves a memory corruption vulnerability in Internet Explorer's BHO plugin, enabling attackers to execute code within the user's context.

What is CVE-2020-16884?

The vulnerability corrupts memory, allowing attackers to run arbitrary code as the current user.
Attackers can exploit this by luring users to visit a specially crafted website.

The Impact of CVE-2020-16884

Successful exploitation grants attackers the same rights as the current user, potentially leading to system compromise.
In a web-based attack, users must be convinced to interact with malicious content.

Technical Details of CVE-2020-16884

This section provides technical insights into the vulnerability.

Vulnerability Description

The vulnerability lies in how the IEToEdge BHO plugin handles memory objects.
Attackers can exploit this flaw to execute arbitrary code.

Affected Systems and Versions

Vendor: Microsoft
Product: Microsoft Edge (Chromium-based)
Version: 1.0.0 (and earlier)
Platforms: Unknown

Exploitation Mechanism

Attackers can host a malicious website to exploit the vulnerability.
Users need to be tricked into visiting the site or clicking on malicious links.

Mitigation and Prevention

Protecting systems from CVE-2020-16884 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply the security update provided by Microsoft to address the vulnerability.
Educate users about the risks of interacting with unknown or suspicious websites.

Long-Term Security Practices

Regularly update browsers and plugins to patch known vulnerabilities.
Implement security awareness training to help users recognize and avoid potential threats.
Utilize security solutions like antivirus software and firewalls to enhance protection.
Monitor network traffic for any suspicious activities.
Follow best practices for secure web browsing.

Patching and Updates

Microsoft has released a security update to address the vulnerability in the IEToEdge BHO plugin.