CVE-2020-15976 Explained : Impact and Mitigation

A use-after-free vulnerability in WebXR in Google Chrome on Android before version 86.0.4240.75 could allow a remote attacker to exploit heap corruption through a malicious HTML page.

Understanding CVE-2020-15976

This CVE involves a critical vulnerability in Google Chrome on Android that could lead to remote code execution.

What is CVE-2020-15976?

CVE-2020-15976 is a use-after-free vulnerability in the WebXR component of Google Chrome on Android, allowing potential exploitation by a remote attacker through a specifically crafted HTML page.

The Impact of CVE-2020-15976

The vulnerability could result in heap corruption, potentially enabling attackers to execute arbitrary code on the affected system.

Technical Details of CVE-2020-15976

This section provides more in-depth technical information about the CVE.

Vulnerability Description

The vulnerability is due to improper handling of memory in the WebXR component of Google Chrome on Android, leading to a use-after-free condition.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 86.0.4240.75 (unspecified version)

Exploitation Mechanism

Attackers can exploit this vulnerability by enticing a user to visit a malicious website containing the crafted HTML page, triggering the use-after-free condition.

Mitigation and Prevention

To protect systems from CVE-2020-15976, immediate actions and long-term security practices are essential.

Immediate Steps to Take

Update Google Chrome on Android to version 86.0.4240.75 or later to mitigate the vulnerability.
Avoid clicking on suspicious links or visiting untrusted websites.

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities.
Implement security best practices such as using antivirus software and practicing safe browsing habits.

Patching and Updates

Ensure timely installation of security patches and updates provided by Google to address CVE-2020-15976.