CVE-2017-3127 : Vulnerability Insights and Analysis

Fortinet FortiGate versions 5.2.0 through 5.2.10 are vulnerable to a Cross-Site Scripting (XSS) issue that allows attackers to execute unauthorized code or commands.

Understanding CVE-2017-3127

This CVE involves a security vulnerability in Fortinet FortiGate versions 5.2.0 through 5.2.10 that can be exploited by attackers to execute unauthorized code or commands.

What is CVE-2017-3127?

A Cross-Site Scripting vulnerability in Fortinet FortiGate versions 5.2.0 through 5.2.10 allows attackers to manipulate the srcintf parameter during Firewall Policy creation, leading to the execution of unauthorized code or commands.

The Impact of CVE-2017-3127

This vulnerability enables attackers to execute unauthorized code or commands, potentially compromising the security and integrity of the affected systems.

Technical Details of CVE-2017-3127

Fortinet FortiGate versions 5.2.0 through 5.2.10 are susceptible to the following:

Vulnerability Description

During the creation of a Firewall Policy, attackers can exploit a Cross-Site Scripting vulnerability by manipulating the srcintf parameter, allowing them to execute unauthorized code or commands.

Affected Systems and Versions

Product: Fortinet FortiGate
Versions: 5.2.0 through 5.2.10

Exploitation Mechanism

Attackers can exploit the srcintf parameter during Firewall Policy creation to inject and execute unauthorized code or commands.

Mitigation and Prevention

To address CVE-2017-3127, consider the following steps:

Immediate Steps to Take

Update Fortinet FortiGate to a non-vulnerable version.
Implement input validation mechanisms to prevent XSS attacks.

Long-Term Security Practices

Regularly monitor and audit Firewall Policies for unauthorized changes.
Educate users on safe coding practices to prevent XSS vulnerabilities.

Patching and Updates

Apply security patches provided by Fortinet to fix the XSS vulnerability in affected versions.