CVE-2019-5858 : Security Advisory and Response

A security flaw in Google Chrome allowed a local attacker to execute arbitrary code by exploiting a vulnerability in MacOS services integration.

Understanding CVE-2019-5858

What is CVE-2019-5858?

This CVE describes an incorrect security user interface (UI) issue in Google Chrome on OS X versions prior to 76.0.3809.87, enabling a local attacker to run arbitrary code through a specially crafted HTML page.

The Impact of CVE-2019-5858

The vulnerability could be exploited by a local attacker to execute arbitrary code on the affected system, potentially leading to further compromise or unauthorized access.

Technical Details of CVE-2019-5858

Vulnerability Description

The flaw in the integration of MacOS services in Google Chrome allowed for the execution of arbitrary code through a malicious HTML page.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 76.0.3809.87

Exploitation Mechanism

The vulnerability could be exploited by a local attacker through a carefully designed HTML page to trigger the execution of arbitrary code.

Mitigation and Prevention

Immediate Steps to Take

Update Google Chrome to version 76.0.3809.87 or later to mitigate the vulnerability.
Exercise caution while browsing and avoid clicking on suspicious links or visiting untrusted websites.

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities.
Implement security best practices such as using strong passwords and enabling two-factor authentication.

Patching and Updates

Ensure timely installation of security updates and patches provided by Google Chrome to address known security issues.