CVE-2019-13768 : Security Advisory and Response

A vulnerability in the FileAPI feature of Google Chrome versions before 72.0.3626.81 enabled a potential sandbox escape by a remote attacker through a carefully crafted HTML page. This security flaw was classified as high severity by Chrome.

Understanding CVE-2019-13768

What is CVE-2019-13768?

The vulnerability in the FileAPI feature of Google Chrome versions before 72.0.3626.81 allowed a remote attacker to potentially escape the sandbox using a specially crafted HTML page.

The Impact of CVE-2019-13768

This vulnerability was classified as high severity by Chrome due to the risk of a remote attacker being able to escape the sandbox, potentially leading to unauthorized access or other malicious activities.

Technical Details of CVE-2019-13768

Vulnerability Description

The vulnerability in the FileAPI feature of Google Chrome versions before 72.0.3626.81 allowed for a sandbox escape by a remote attacker through a carefully crafted HTML page.

Affected Systems and Versions

Vendor: Google
Product: Chrome
Affected Versions: Before 72.0.3626.81

Exploitation Mechanism

The vulnerability exploited in CVE-2019-13768 involved a use after free issue in the FileAPI feature of Google Chrome, enabling a remote attacker to escape the sandbox.

Mitigation and Prevention

Immediate Steps to Take

Update Google Chrome to version 72.0.3626.81 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 the latest versions to patch known vulnerabilities.
Implement security best practices such as using strong passwords and enabling two-factor authentication.

Patching and Updates

It is crucial to apply patches and updates provided by Google Chrome promptly to address security vulnerabilities and enhance the overall security posture of the system.