CVE-2020-6534 : Exploit Details and Defense Strategies

Heap buffer overflow in WebRTC in Google Chrome prior to 84.0.4147.89 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Understanding CVE-2020-6534

What is CVE-2020-6534?

CVE-2020-6534 is a heap buffer overflow vulnerability in WebRTC in Google Chrome versions prior to 84.0.4147.89. This flaw could be exploited by a remote attacker through a specially crafted HTML page.

The Impact of CVE-2020-6534

This vulnerability could allow a remote attacker to trigger heap corruption, potentially leading to the execution of arbitrary code or a denial of service (DoS) condition.

Technical Details of CVE-2020-6534

Vulnerability Description

The vulnerability is a heap buffer overflow in WebRTC in Google Chrome versions before 84.0.4147.89, enabling a remote attacker to exploit heap corruption via a malicious HTML page.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 84.0.4147.89

Exploitation Mechanism

The vulnerability can be exploited by a remote attacker through a carefully crafted HTML page to trigger heap corruption and potentially execute malicious code.

Mitigation and Prevention

Immediate Steps to Take

Update Google Chrome to version 84.0.4147.89 or later to mitigate the vulnerability.
Avoid clicking on suspicious links or visiting untrusted websites to reduce the risk of exploitation.

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities.
Implement network security measures such as firewalls and intrusion detection systems.

Patching and Updates

Ensure timely installation of security patches and updates provided by Google to address known vulnerabilities.