CVE-2018-18339 : Exploit Details and Defense Strategies

Google Chrome prior to version 71.0.3578.80 was affected by a Use after free vulnerability in the WebAudio feature, potentially leading to heap corruption when exploited by a remote attacker through a crafted HTML page.

Understanding CVE-2018-18339

This CVE details a flaw in Google Chrome's WebAudio feature that could be exploited by a remote attacker.

What is CVE-2018-18339?

Prior to version 71.0.3578.80 of Google Chrome, there was a flawed object lifecycle in the WebAudio feature. This flaw could be potentially exploited by a remote attacker through a carefully crafted HTML page, resulting in heap corruption.

The Impact of CVE-2018-18339

The vulnerability allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Technical Details of CVE-2018-18339

Google Chrome was affected by a Use after free vulnerability in the WebAudio feature.

Vulnerability Description

Incorrect object lifecycle in WebAudio in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions affected: < 71.0.3578.80

Exploitation Mechanism

The flaw could be exploited by a remote attacker through a carefully crafted HTML page, resulting in heap corruption.

Mitigation and Prevention

To address CVE-2018-18339, follow these steps:

Immediate Steps to Take

Update Google Chrome to version 71.0.3578.80 or later.
Avoid visiting untrusted websites or clicking on suspicious links.

Long-Term Security Practices

Regularly update your browser and other software to the latest versions.
Implement strong security measures such as firewalls and antivirus software.
Stay informed about security vulnerabilities and apply patches promptly.

Patching and Updates

Ensure that Google Chrome is regularly updated to the latest version to mitigate the vulnerability.