CVE-2019-6251 Explained : Impact and Mitigation

Versions of WebKitGTK and WPE WebKit prior to 2.24.1 have a vulnerability that could potentially lead to address bar spoofing when specific JavaScript redirections occur. An adversary could exploit this vulnerability to make deceptive web content appear as if it belongs to a trusted source. This vulnerability is reminiscent of the CVE-2018-8383 problem found in Microsoft Edge.

Understanding CVE-2019-6251

This CVE involves a vulnerability in WebKitGTK and WPE WebKit versions prior to 2.24.1 that could allow address bar spoofing under certain conditions.

What is CVE-2019-6251?

CVE-2019-6251 is a security vulnerability in WebKitGTK and WPE WebKit versions before 2.24.1 that could enable attackers to spoof the address bar, potentially leading to deceptive web content appearing as if it is from a trusted source.

The Impact of CVE-2019-6251

The vulnerability in CVE-2019-6251 could result in address bar spoofing, allowing malicious actors to display deceptive web content that may appear legitimate to users, posing a significant security risk.

Technical Details of CVE-2019-6251

This section provides more in-depth technical information about the CVE-2019-6251 vulnerability.

Vulnerability Description

CVE-2019-6251 affects WebKitGTK and WPE WebKit versions prior to 2.24.1, enabling address bar spoofing through specific JavaScript redirections, potentially leading to deceptive web content.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: Not applicable

Exploitation Mechanism

The vulnerability in CVE-2019-6251 can be exploited by triggering specific JavaScript redirections, allowing attackers to spoof the address bar and display deceptive web content.

Mitigation and Prevention

To address and prevent the CVE-2019-6251 vulnerability, consider the following mitigation strategies:

Immediate Steps to Take

Update WebKitGTK and WPE WebKit to version 2.24.1 or later to mitigate the address bar spoofing vulnerability.
Exercise caution when navigating to unfamiliar websites to reduce the risk of encountering deceptive web content.

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities and enhance overall security.
Implement security awareness training to educate users on identifying and avoiding potential security threats.

Patching and Updates

Ensure timely installation of security patches and updates for WebKitGTK and WPE WebKit to address the CVE-2019-6251 vulnerability and enhance system security.