CVE-2020-6539 : Exploit Details and Defense Strategies

A vulnerability in Google Chrome prior to version 84.0.4147.105 could allow a remote attacker to exploit heap corruption through a crafted HTML page.

Understanding CVE-2020-6539

This CVE relates to a 'Use after free' vulnerability in CSS in Google Chrome.

What is CVE-2020-6539?

This CVE describes a flaw in Google Chrome that could be exploited by a remote attacker to potentially corrupt the heap memory by leveraging a specific HTML page.

The Impact of CVE-2020-6539

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

Technical Details of CVE-2020-6539

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

Vulnerability Description

The vulnerability is due to improper handling of memory in the CSS component of Google Chrome, allowing for a 'Use after free' scenario.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: Prior to 84.0.4147.105

Exploitation Mechanism

The vulnerability can be exploited by a remote attacker through a specially crafted HTML page, triggering heap corruption.

Mitigation and Prevention

Protecting systems from this vulnerability is crucial to maintaining security.

Immediate Steps to Take

Update Google Chrome to version 84.0.4147.105 or later to mitigate the vulnerability.
Avoid visiting untrusted websites or clicking on suspicious links.

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities.
Implement strong security measures such as firewalls and antivirus software.

Patching and Updates

Ensure timely installation of security patches and updates to address vulnerabilities and enhance system security.