CVE-2020-6381 Explained : Impact and Mitigation

Integer overflow in JavaScript in Google Chrome on ChromeOS and Android prior to 80.0.3987.87 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Understanding CVE-2020-6381

This CVE involves an integer overflow vulnerability in Google Chrome that could be exploited by a remote attacker.

What is CVE-2020-6381?

CVE-2020-6381 is an integer overflow vulnerability in JavaScript in Google Chrome on ChromeOS and Android versions before 80.0.3987.87. This flaw could allow a remote attacker to potentially trigger heap corruption through a specially crafted HTML page.

The Impact of CVE-2020-6381

The vulnerability could lead to heap corruption, potentially enabling attackers to execute arbitrary code or crash the application, posing a significant security risk to affected systems.

Technical Details of CVE-2020-6381

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

Vulnerability Description

The vulnerability is due to an integer overflow issue in the JavaScript engine of Google Chrome, affecting ChromeOS and Android versions prior to 80.0.3987.87.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 80.0.3987.87
Version Type: Custom

Exploitation Mechanism

The vulnerability can be exploited by a remote attacker through a specially crafted HTML page, triggering an integer overflow and potentially leading to heap corruption.

Mitigation and Prevention

Protecting systems from CVE-2020-6381 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Google Chrome to version 80.0.3987.87 or later to mitigate the vulnerability.
Avoid visiting untrusted websites or clicking on suspicious links to reduce the risk of exploitation.

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities.
Implement security best practices such as using firewalls and antivirus software to enhance overall system security.

Patching and Updates

Google has released patches addressing this vulnerability in Chrome versions 80.0.3987.87 and later. Ensure all systems are updated to the latest secure versions.