CVE-2024-46671
📋 TL;DR
This vulnerability allows authenticated attackers with read-only admin permissions in FortiWeb to manipulate other administrators' dashboard widgets via specially crafted requests. It affects FortiWeb versions 7.6.2 and below, 7.4.6 and below, 7.2.10 and below, and 7.0.11 and below. The issue stems from incorrect user management controls in the dashboard widget functionality.
💻 Affected Systems
- FortiWeb Web Application Firewall
📦 What is this software?
Fortiweb by Fortinet
Fortiweb by Fortinet
Fortiweb by Fortinet
⚠️ Risk & Real-World Impact
Worst Case
An attacker could modify or delete dashboard widgets of other administrators, potentially disrupting monitoring capabilities or hiding security alerts from legitimate administrators.
Likely Case
Attackers with read-only access could tamper with dashboard configurations, causing confusion or operational disruption by altering how security data is displayed to other administrators.
If Mitigated
With proper access controls and monitoring, impact is limited to dashboard widget manipulation without compromising core security functions or data.
🎯 Exploit Status
Exploitation requires authenticated access with admin privileges. Crafted HTTP requests to dashboard widget endpoints are needed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 7.6.3, 7.4.7, 7.2.11, 7.0.12
Vendor Advisory: https://fortiguard.fortinet.com/psirt/FG-IR-24-184
Restart Required: Yes
Instructions:
1. Download the appropriate firmware version from Fortinet support portal. 2. Backup current configuration. 3. Upload and install the firmware update via FortiWeb web interface or CLI. 4. Reboot the device after installation completes.
🔧 Temporary Workarounds
Restrict Admin Access
allLimit the number of users with admin permissions and implement strict access controls.
Monitor Dashboard Changes
allImplement logging and alerting for dashboard widget modifications.
🧯 If You Can't Patch
- Implement strict principle of least privilege for admin accounts
- Enable detailed logging of dashboard activities and monitor for suspicious widget modifications
🔍 How to Verify
Check if Vulnerable:
Check FortiWeb version via web interface (System > Status) or CLI command 'get system status'
Check Version:
get system status | grep Version
Verify Fix Applied:
Verify version is 7.6.3, 7.4.7, 7.2.11, or 7.0.12 or higher after patching
📡 Detection & Monitoring
Log Indicators:
- Unusual dashboard widget modifications by read-only admin users
- Multiple failed authentication attempts followed by successful admin login
Network Indicators:
- HTTP POST requests to dashboard widget endpoints from unexpected sources
- Unusual patterns in admin interface access
SIEM Query:
source="fortiweb" AND (event_type="dashboard_modification" OR action="widget_change") AND user_role="read-only-admin"