CVE-2017-7732 : Vulnerability Insights and Analysis

Fortinet FortiMail versions 5.1 and earlier, 5.2.0 to 5.2.9, and 5.3.0 to 5.3.9 are affected by a Cross-Site Scripting (XSS) vulnerability on the pre-authentication webmail login page.

Understanding CVE-2017-7732

This CVE involves a Cross-Site Scripting (XSS) vulnerability in Fortinet FortiMail versions 5.1 and earlier, 5.2.0 to 5.2.9, and 5.3.0 to 5.3.9.

What is CVE-2017-7732?

The vulnerability allows attackers to inject arbitrary web script or HTML code via crafted HTTP requests on the customized pre-authentication webmail login page.

The Impact of CVE-2017-7732

The XSS vulnerability can be exploited by attackers to execute malicious scripts, steal sensitive data, or perform unauthorized actions on the affected system.

Technical Details of CVE-2017-7732

Fortinet FortiMail versions 5.1 and earlier, 5.2.0 to 5.2.9, and 5.3.0 to 5.3.9 are susceptible to a reflected XSS vulnerability.

Vulnerability Description

A reflected XSS vulnerability in the pre-authentication webmail login page allows attackers to inject malicious web scripts or HTML code through specially crafted HTTP requests.

Affected Systems and Versions

Fortinet FortiMail versions 5.1 and earlier
Fortinet FortiMail versions 5.2.0 to 5.2.9
Fortinet FortiMail versions 5.3.0 to 5.3.9

Exploitation Mechanism

Attackers can exploit this vulnerability by sending carefully crafted HTTP requests to the affected webmail login page, enabling them to inject and execute malicious scripts.

Mitigation and Prevention

To address CVE-2017-7732, follow these steps:

Immediate Steps to Take

Apply security patches provided by Fortinet to fix the XSS vulnerability.
Monitor network traffic for any suspicious activity that may indicate exploitation attempts.
Implement web application firewalls to filter and block malicious HTTP requests.

Long-Term Security Practices

Regularly update and patch all software and applications to prevent known vulnerabilities.
Conduct security assessments and penetration testing to identify and address potential security weaknesses.

Patching and Updates

Fortinet has released patches to address the XSS vulnerability in FortiMail versions 5.1 and later. Ensure timely application of these patches to secure your systems.