CVE-2023-7210
📋 TL;DR
This critical vulnerability in OneNav allows attackers to bypass authentication via manipulation of the X-Token parameter in the API endpoint. It enables unauthorized access to the application's API functionality. All users running affected OneNav versions are impacted.
💻 Affected Systems
- OneNav
📦 What is this software?
Onenav by Onenav
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing unauthorized access to all API functions, potential data theft, and further exploitation of the OneNav instance.
Likely Case
Unauthorized access to API endpoints leading to data exposure, configuration changes, or privilege escalation within the application.
If Mitigated
Limited impact with proper network segmentation and API monitoring, though authentication bypass remains possible.
🎯 Exploit Status
Exploit details have been publicly disclosed and the vulnerability requires minimal technical skill to exploit.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 0.9.34 or later
Vendor Advisory: https://github.com/advisories/GHSA-353q-7h99-hf4x
Restart Required: Yes
Instructions:
1. Backup your OneNav installation and data. 2. Download the latest version from the official repository. 3. Replace the existing files with the patched version. 4. Restart the web server or application service.
🔧 Temporary Workarounds
API Endpoint Restriction
allBlock or restrict access to the vulnerable API endpoint using web server configuration or firewall rules.
# Apache: RewriteRule ^/index\.php\?c=api - [F]
# Nginx: location ~* /index\.php\?c=api { deny all; }
Token Validation Enhancement
allImplement additional token validation logic in the application code.
# Add custom token validation in index.php or API controller
🧯 If You Can't Patch
- Implement strict network access controls to limit API endpoint access to trusted IP addresses only.
- Deploy a Web Application Firewall (WAF) with rules to detect and block X-Token manipulation attempts.
🔍 How to Verify
Check if Vulnerable:
Check if your OneNav version is 0.9.33 or earlier by examining the version file or admin panel. Test API endpoint with manipulated X-Token headers.Check Version:
Check the version.php file or admin dashboard, or use: grep -r 'version' /path/to/onenav/ | grep -i '0.9'Verify Fix Applied:
After updating, verify the version is 0.9.34 or later and test that API requests with invalid X-Token values are properly rejected.📡 Detection & Monitoring
Log Indicators:
- Unusual API access patterns
- Failed authentication attempts followed by successful API calls
- Requests with manipulated X-Token headers
Network Indicators:
- Unusual traffic to /index.php?c=api endpoint
- API requests without proper authentication sequences
SIEM Query:
source="web_logs" AND (uri="/index.php?c=api" AND NOT (user_agent="legitimate_client" OR src_ip IN trusted_ips))