CVE-2018-1354 : Exploit Details and Defense Strategies

A security flaw related to access control has been discovered in versions 6.0.0 and 5.6.5 of Fortinet FortiManager and FortiAnalyzer, allowing regular users to modify avatar pictures of other users.

Understanding CVE-2018-1354

What is CVE-2018-1354?

This CVE identifies an improper access control vulnerability in Fortinet FortiManager and FortiAnalyzer versions 6.0.0, 5.6.5, and below, enabling unauthorized users to edit avatar pictures of other users with arbitrary content.

The Impact of CVE-2018-1354

The vulnerability permits regular users to manipulate avatar images of other users, potentially leading to unauthorized modifications and privacy breaches.

Technical Details of CVE-2018-1354

Vulnerability Description

The flaw in Fortinet FortiManager and FortiAnalyzer versions 6.0.0, 5.6.5, and earlier allows unauthorized users to alter avatar pictures of other users.

Affected Systems and Versions

Products: Fortinet FortiManager, FortiAnalyzer
Vendor: Fortinet, Inc.
Vulnerable Versions: FortiManager 6.0.0, 5.6.5, and prior, FortiAnalyzer 6.0.0, 5.6.5, and earlier

Exploitation Mechanism

Unauthorized regular users can exploit the vulnerability to modify avatar images of other users with any desired content.

Mitigation and Prevention

Immediate Steps to Take

Update Fortinet FortiManager and FortiAnalyzer to the latest non-vulnerable versions.
Implement strict access controls to limit user privileges.

Long-Term Security Practices

Regularly monitor and audit user activities to detect unauthorized changes.
Educate users on secure avatar picture practices to prevent misuse.

Patching and Updates

Apply patches and security updates provided by Fortinet to address the access control vulnerability in FortiManager and FortiAnalyzer.