CVE-2017-7736 Explained : Impact and Mitigation

A stored Cross-site Scripting (XSS) vulnerability in Fortinet FortiWeb webUI versions 5.8.0, 5.7.1, and earlier allows attackers to inject malicious scripts via a fraudulent certificate import.

Understanding CVE-2017-7736

This CVE involves a security issue known as a stored Cross-site Scripting (XSS) vulnerability in Fortinet FortiWeb.

What is CVE-2017-7736?

This vulnerability enables attackers to insert their own web script or HTML by exploiting a flaw in the Certificate View page of Fortinet FortiWeb webUI versions 5.8.0, 5.7.1, and prior.

The Impact of CVE-2017-7736

Attackers can execute arbitrary scripts on the affected system, potentially leading to unauthorized access or data theft.

Technical Details of CVE-2017-7736

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows for stored Cross-site Scripting (XSS) attacks through the Certificate View page of Fortinet FortiWeb webUI.

Affected Systems and Versions

Product: Fortinet FortiWeb
Vendor: Fortinet, Inc.
Versions Affected: FortiWeb 5.8.0, 5.7.1, and earlier

Exploitation Mechanism

Attackers exploit the vulnerability by using a specially crafted fraudulent certificate import to inject malicious web scripts or HTML.

Mitigation and Prevention

Protecting systems from CVE-2017-7736 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Fortinet to address the vulnerability.
Monitor and restrict access to the Certificate View page to authorized personnel only.

Long-Term Security Practices

Regularly update and patch all software and applications to prevent similar vulnerabilities.
Conduct security training for employees to raise awareness about XSS attacks and other security threats.

Patching and Updates

Stay informed about security advisories from Fortinet and apply patches promptly to secure the system.