CVE-2020-6455 : What You Need to Know

A vulnerability in Google Chrome prior to version 81.0.4044.92 allowed remote attackers to exploit heap corruption through a crafted HTML page.

Understanding CVE-2020-6455

This CVE describes an out-of-bounds read vulnerability in WebSQL in Google Chrome.

What is CVE-2020-6455?

The vulnerability in WebSQL in Google Chrome before version 81.0.4044.92 could be exploited by a remote attacker through a specially crafted HTML page, potentially leading to heap corruption.

The Impact of CVE-2020-6455

The vulnerability could allow a remote attacker to trigger heap corruption, potentially leading to the execution of arbitrary code or a denial of service.

Technical Details of CVE-2020-6455

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability is due to an out-of-bounds read issue in WebSQL in Google Chrome.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 81.0.4044.92 (unspecified)

Exploitation Mechanism

The vulnerability could be exploited by a remote attacker through a crafted HTML page to trigger heap corruption.

Mitigation and Prevention

Protecting systems from CVE-2020-6455 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Google Chrome to version 81.0.4044.92 or later.
Avoid visiting untrusted websites or clicking on suspicious links.

Long-Term Security Practices

Regularly update browsers and software to the latest versions.
Implement strong security measures such as firewalls and antivirus software.

Patching and Updates

Ensure timely installation of security patches and updates to mitigate the risk of exploitation.