CVE-2020-16018 : Security Advisory and Response

A use-after-free vulnerability in Google Chrome prior to 87.0.4280.66 could allow a remote attacker to escape the sandbox via a crafted HTML page.

Understanding CVE-2020-16018

This CVE involves a critical security issue in Google Chrome that could lead to a sandbox escape.

What is CVE-2020-16018?

This CVE refers to a use-after-free vulnerability in the payments functionality of Google Chrome before version 87.0.4280.66.

The Impact of CVE-2020-16018

The vulnerability could enable a remote attacker who compromised the renderer process to potentially escape the sandbox through a maliciously crafted HTML page.

Technical Details of CVE-2020-16018

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

Vulnerability Description

The use-after-free flaw in Google Chrome allowed for potential sandbox escape by an attacker exploiting the renderer process.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 87.0.4280.66 (unspecified)

Exploitation Mechanism

The vulnerability could be exploited by a remote attacker who had already compromised the renderer process, using a specially crafted HTML page.

Mitigation and Prevention

Protecting systems from this vulnerability requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Google Chrome to version 87.0.4280.66 or later.
Avoid clicking on suspicious links or visiting untrusted websites.
Implement strict HTML and JavaScript security practices.

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities.
Conduct security audits and penetration testing to identify and address potential weaknesses.
Educate users on safe browsing habits and the importance of security updates.

Patching and Updates

Google has released a patch in version 87.0.4280.66 to address this vulnerability. Ensure all systems running Chrome are updated to the latest version to mitigate the risk of exploitation.