CVE-2017-7339 : Exploit Details and Defense Strategies

A security flaw known as Cross-Site Scripting has been discovered in Fortinet FortiPortal versions 4.0.0 and earlier. This flaw enables an attacker to execute unauthorized code or commands by exploiting the 'Name' and 'Description' fields within the 'Add Revision Backup' feature.

Understanding CVE-2017-7339

This CVE involves a Cross-Site Scripting vulnerability in Fortinet FortiPortal versions 4.0.0 and below, allowing attackers to execute unauthorized code or commands.

What is CVE-2017-7339?

Cross-Site Scripting vulnerability in Fortinet FortiPortal versions 4.0.0 and below enables attackers to execute unauthorized code or commands through specific input fields.

The Impact of CVE-2017-7339

The vulnerability allows malicious actors to run unauthorized code or commands, potentially leading to data breaches, system compromise, and unauthorized access.

Technical Details of CVE-2017-7339

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability in Fortinet FortiPortal versions 4.0.0 and earlier permits attackers to execute unauthorized code or commands via specific input fields.

Affected Systems and Versions

Product: Fortinet FortiPortal
Vendor: Fortinet, Inc.
Versions Affected: FortiPortal versions 4.0.0 and below

Exploitation Mechanism

Attackers exploit the 'Name' and 'Description' fields within the 'Add Revision Backup' feature to execute unauthorized code or commands.

Mitigation and Prevention

Protecting systems from CVE-2017-7339 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable or restrict access to the vulnerable feature within Fortinet FortiPortal.
Implement input validation to prevent malicious code execution.
Regularly monitor and audit system logs for any suspicious activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify vulnerabilities.
Keep systems and software up to date with the latest security patches.
Educate users and administrators about safe coding practices and security awareness.

Patching and Updates

Ensure timely installation of patches and updates provided by Fortinet to address the Cross-Site Scripting vulnerability.