CVE-2023-25605
📋 TL;DR
This vulnerability allows authenticated attackers on the FortiSOAR administrative interface to perform unauthorized actions via crafted HTTP requests. It affects Fortinet FortiSOAR versions 7.3.0 through 7.3.1. Attackers with administrative access can bypass intended access controls.
💻 Affected Systems
- Fortinet FortiSOAR
📦 What is this software?
Fortisoar by Fortinet
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of the FortiSOAR instance allowing data exfiltration, privilege escalation, or disruption of security operations.
Likely Case
Unauthorized data access, configuration changes, or privilege escalation within the FortiSOAR platform.
If Mitigated
Limited impact if proper network segmentation and administrative access controls are implemented.
🎯 Exploit Status
Requires authenticated access to administrative interface. Crafted HTTP requests can bypass access controls.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 7.3.2 or later
Vendor Advisory: https://fortiguard.com/psirt/FG-IR-23-050
Restart Required: Yes
Instructions:
1. Backup FortiSOAR configuration and data. 2. Upgrade to FortiSOAR version 7.3.2 or later. 3. Restart FortiSOAR services. 4. Verify upgrade completion and functionality.
🔧 Temporary Workarounds
Restrict Administrative Access
allLimit administrative interface access to trusted IP addresses only
Configure firewall rules to restrict access to FortiSOAR administrative interface IPs
Enforce Strong Authentication
allImplement multi-factor authentication for administrative accounts
Configure MFA for all administrative accounts in FortiSOAR
🧯 If You Can't Patch
- Implement strict network segmentation to isolate FortiSOAR administrative interface
- Monitor administrative access logs for unusual activity and implement alerting
🔍 How to Verify
Check if Vulnerable:
Check FortiSOAR version via web interface or CLI. Versions 7.3.0-7.3.1 are vulnerable.Check Version:
Check via FortiSOAR web interface or refer to system documentation for version check commands.Verify Fix Applied:
Verify FortiSOAR version is 7.3.2 or later and test administrative functions work properly.📡 Detection & Monitoring
Log Indicators:
- Unusual administrative activity patterns
- Multiple failed authentication attempts followed by successful access
- HTTP requests with unusual parameters to administrative endpoints
Network Indicators:
- Unusual traffic patterns to administrative interface
- HTTP requests with crafted parameters
SIEM Query:
source="fortisoar" AND (event_type="admin_access" OR event_type="privileged_action") AND status="success" | stats count by user, src_ip