CVE-2020-6569 : Exploit Details and Defense Strategies

Integer overflow in WebUSB in Google Chrome prior to 85.0.4183.83 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Understanding CVE-2020-6569

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

What is CVE-2020-6569?

CVE-2020-6569 is an integer overflow vulnerability in the WebUSB component of Google Chrome versions prior to 85.0.4183.83. This flaw could allow a remote attacker who compromised the renderer process to exploit heap corruption through a specially crafted HTML page.

The Impact of CVE-2020-6569

The impact of this vulnerability is significant as it could lead to heap corruption, potentially enabling attackers to execute arbitrary code or crash the application.

Technical Details of CVE-2020-6569

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability is due to an integer overflow in the WebUSB feature of Google Chrome, allowing attackers to trigger heap corruption.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Affected Versions: < 85.0.4183.83

Exploitation Mechanism

Attackers who have compromised the renderer process can exploit this vulnerability by using a specially crafted HTML page.

Mitigation and Prevention

Protecting systems from CVE-2020-6569 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Google Chrome to version 85.0.4183.83 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 software and applications to patch known vulnerabilities.
Implement security measures such as firewalls and antivirus software to enhance overall system protection.

Patching and Updates

Ensure timely installation of security patches and updates provided by Google to address CVE-2020-6569.