CVE-2020-6541 Explained : Impact and Mitigation

A use-after-free vulnerability in WebUSB in Google Chrome before version 84.0.4147.105 could allow a remote attacker to exploit heap corruption through a malicious HTML page.

Understanding CVE-2020-6541

This CVE involves a specific use-after-free issue in Google Chrome that could lead to potential security risks.

What is CVE-2020-6541?

CVE-2020-6541 is a vulnerability in WebUSB in Google Chrome versions prior to 84.0.4147.105 that enables a remote attacker to trigger heap corruption by utilizing a crafted HTML page.

The Impact of CVE-2020-6541

The vulnerability could be exploited by a malicious actor to execute arbitrary code or crash the application, potentially compromising the security and integrity of the affected system.

Technical Details of CVE-2020-6541

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

Vulnerability Description

The use-after-free flaw in WebUSB in Google Chrome versions before 84.0.4147.105 allows remote attackers to exploit heap corruption via a specially crafted HTML page.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 84.0.4147.105 (unspecified version)

Exploitation Mechanism

The vulnerability can be exploited remotely by enticing a user to visit a malicious website containing the crafted HTML page, triggering the use-after-free condition.

Mitigation and Prevention

Protecting systems from CVE-2020-6541 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update Google Chrome to version 84.0.4147.105 or newer to mitigate the vulnerability.
Avoid visiting untrusted websites or clicking on suspicious links to minimize the risk of exploitation.

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities.
Implement security best practices such as using firewalls, antivirus software, and intrusion detection systems.

Patching and Updates

Ensure timely installation of security patches and updates provided by Google to address vulnerabilities like CVE-2020-6541.