CVE-2020-16025 : What You Need to Know

A heap buffer overflow vulnerability in Google Chrome prior to version 87.0.4280.66 could allow a remote attacker to escape the sandbox via a crafted HTML page.

Understanding CVE-2020-16025

This CVE relates to a specific vulnerability in Google Chrome that could be exploited by an attacker to compromise the security of the browser.

What is CVE-2020-16025?

This CVE describes a heap buffer overflow issue in the clipboard functionality of Google Chrome versions before 87.0.4280.66. An attacker who has already compromised the renderer process could potentially exploit this vulnerability to escape the browser's sandbox environment.

The Impact of CVE-2020-16025

The impact of this vulnerability is significant as it could lead to a complete bypass of the browser's security mechanisms, allowing an attacker to execute arbitrary code on the affected system.

Technical Details of CVE-2020-16025

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability is a heap buffer overflow in the clipboard feature of Google Chrome, enabling a remote attacker to potentially perform a sandbox escape through a specially crafted HTML page.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Affected Versions: < 87.0.4280.66

Exploitation Mechanism

The vulnerability can be exploited by an attacker who has compromised the renderer process, leveraging a crafted HTML page to trigger the heap buffer overflow.

Mitigation and Prevention

To address and prevent exploitation of this vulnerability, follow these steps:

Immediate Steps to Take

Update Google Chrome to version 87.0.4280.66 or later to mitigate the vulnerability.
Avoid clicking on suspicious links or visiting untrusted websites to reduce the risk of exploitation.

Long-Term Security Practices

Regularly update your browser and other software to patch known vulnerabilities.
Implement strong security measures such as firewalls and antivirus software to enhance overall system security.

Patching and Updates

Ensure that your Google Chrome browser is regularly updated to the latest version to receive security patches and protect against known vulnerabilities.