CVE-2020-6406 Explained : Impact and Mitigation

A use-after-free vulnerability in Google Chrome before version 80.0.3987.87 could allow a remote attacker to exploit heap corruption through a malicious HTML page.

Understanding CVE-2020-6406

This CVE involves a specific type of memory corruption issue in Google Chrome.

What is CVE-2020-6406?

CVE-2020-6406 is a use-after-free vulnerability in the audio component of Google Chrome prior to version 80.0.3987.87. This flaw could be exploited by a remote attacker to potentially trigger heap corruption by enticing a user to visit a specially crafted webpage.

The Impact of CVE-2020-6406

The vulnerability could lead to heap corruption, potentially allowing an attacker to execute arbitrary code on the victim's system or cause a denial of service (DoS) condition.

Technical Details of CVE-2020-6406

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability arises from improper handling of memory in the audio component of Google Chrome, leading to a use-after-free condition.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: Prior to 80.0.3987.87

Exploitation Mechanism

The vulnerability can be exploited by a remote attacker through a specially crafted HTML page, triggering heap corruption and potentially executing malicious code.

Mitigation and Prevention

Protecting systems from CVE-2020-6406 requires immediate action and long-term security measures.

Immediate Steps to Take

Update Google Chrome to version 80.0.3987.87 or later to mitigate the vulnerability.
Avoid clicking on suspicious links or visiting untrusted websites.
Implement security best practices to reduce the risk of exploitation.

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities.
Educate users about safe browsing habits and the importance of software updates.
Employ security tools like antivirus programs and firewalls to enhance protection.

Patching and Updates

Ensure timely installation of security patches and updates for Google Chrome to address known vulnerabilities.