CVE-2020-15968 : Security Advisory and Response

A use after free vulnerability in Google Chrome prior to 86.0.4240.75 could allow a remote attacker to exploit heap corruption via a crafted HTML page.

Understanding CVE-2020-15968

This CVE involves a specific vulnerability in Google Chrome that could have serious implications if exploited.

What is CVE-2020-15968?

CVE-2020-15968 is a use after free vulnerability in Blink in Google Chrome versions before 86.0.4240.75. This flaw could be exploited by a remote attacker through a maliciously crafted HTML page.

The Impact of CVE-2020-15968

The vulnerability could potentially lead to heap corruption, allowing an attacker to execute arbitrary code or crash the application, posing a significant security risk to users.

Technical Details of CVE-2020-15968

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability arises from a use after free issue in Blink, the rendering engine of Google Chrome, which could be triggered by visiting a specially crafted webpage.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: Prior to 86.0.4240.75

Exploitation Mechanism

The vulnerability could be exploited remotely by enticing a user to visit a malicious website containing the crafted HTML page.

Mitigation and Prevention

Protecting systems from CVE-2020-15968 requires immediate action and long-term security measures.

Immediate Steps to Take

Update Google Chrome 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 firewalls and antivirus software.

Patching and Updates

Ensure timely installation of security patches and updates provided by Google to address vulnerabilities like CVE-2020-15968.