CVE-2019-5839 : Exploit Details and Defense Strategies

Google Chrome before version 75.0.3770.80 had a vulnerability in its URL parser due to insufficient data validation. This flaw could allow a remote attacker to bypass website URL validation by tricking a user into entering a specially crafted URL.

Understanding CVE-2019-5839

This CVE entry pertains to a security issue in Google Chrome that could be exploited by malicious actors to deceive users into inputting malicious URLs.

What is CVE-2019-5839?

Before version 75.0.3770.80, Google Chrome's URL parser lacked proper data validation, enabling attackers to bypass website URL validation through specially crafted URLs.

The Impact of CVE-2019-5839

The vulnerability in Google Chrome could be exploited by remote attackers to manipulate users into entering malicious URLs, potentially leading to security breaches and unauthorized access.

Technical Details of CVE-2019-5839

Google Chrome's vulnerability before version 75.0.3770.80 is detailed below:

Vulnerability Description

Excessive data validation flaw in Google Chrome's URL parser
Allows remote attackers to bypass website URL validation

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 75.0.3770.80

Exploitation Mechanism

Remote attackers persuade users to input a specially crafted URL
Bypasses the validation of website URLs

Mitigation and Prevention

To address CVE-2019-5839, consider the following steps:

Immediate Steps to Take

Update Google Chrome to version 75.0.3770.80 or newer
Be cautious when entering URLs, especially from untrusted sources

Long-Term Security Practices

Educate users on safe browsing habits and URL validation
Implement network security measures to detect and prevent malicious URLs

Patching and Updates

Regularly update Google Chrome to the latest version
Stay informed about security advisories and patches from Google