CVE-2020-6463 : Security Advisory and Response

A use-after-free vulnerability in ANGLE in Google Chrome before 81.0.4044.122 could allow a remote attacker to exploit heap corruption through a malicious HTML page.

Understanding CVE-2020-6463

This CVE involves a critical security issue in Google Chrome that could lead to remote code execution.

What is CVE-2020-6463?

CVE-2020-6463 is a use-after-free vulnerability in ANGLE (Almost Native Graphics Layer Engine) in Google Chrome versions prior to 81.0.4044.122. 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-2020-6463

The vulnerability could allow an attacker to execute arbitrary code on the victim's system, potentially leading to a full compromise of the affected system.

Technical Details of CVE-2020-6463

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

Vulnerability Description

The use-after-free vulnerability in ANGLE in Google Chrome before 81.0.4044.122 could enable a remote attacker to exploit heap corruption via a crafted HTML page.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 81.0.4044.122 (unspecified)

Exploitation Mechanism

The vulnerability could be exploited by luring a user to visit a specially crafted HTML page, triggering the use-after-free condition in ANGLE and potentially leading to heap corruption.

Mitigation and Prevention

Protecting systems from CVE-2020-6463 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Google Chrome to version 81.0.4044.122 or later to mitigate the vulnerability.
Avoid clicking on suspicious links or visiting untrusted websites.
Implement web filtering and security mechanisms to block potentially malicious content.

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities.
Educate users about safe browsing practices and the importance of keeping software up to date.
Employ network intrusion detection systems to monitor and block malicious activities.

Patching and Updates

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