CVE-2024-12901
📋 TL;DR
This vulnerability in FoxCMS allows attackers to bypass authorization controls by manipulating password parameters in the API endpoint. It affects all FoxCMS installations up to version 1.2 that have the vulnerable API component exposed. Remote attackers can potentially gain unauthorized access to system functions.
💻 Affected Systems
- FoxCMS
📦 What is this software?
Foxcms by Qianfox
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing unauthorized administrative access, data manipulation, or account takeover.
Likely Case
Unauthorized access to API functions, potentially leading to data exposure or limited privilege escalation.
If Mitigated
No impact if proper network segmentation and authentication controls prevent access to vulnerable endpoint.
🎯 Exploit Status
Exploit details have been publicly disclosed. The vulnerability involves manipulating password parameters to bypass authorization checks.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a newer version if available, or implement workarounds.
🔧 Temporary Workarounds
Disable vulnerable API endpoint
allBlock or disable access to the /app/api/controller/Site.php endpoint
# Web server configuration example for Apache:
<Location "/app/api/controller/Site.php">
Require all denied
</Location>
# Web server configuration example for Nginx:
location /app/api/controller/Site.php {
deny all;
}
Implement API authentication
allAdd additional authentication layer before the vulnerable endpoint
# Example .htaccess protection for Apache:
AuthType Basic
AuthName "Restricted Access"
AuthUserFile /path/to/.htpasswd
Require valid-user
🧯 If You Can't Patch
- Implement network segmentation to isolate FoxCMS from untrusted networks
- Deploy web application firewall (WAF) rules to block suspicious password parameter manipulation
🔍 How to Verify
Check if Vulnerable:
Check if FoxCMS version is 1.2 or earlier and if /app/api/controller/Site.php endpoint is accessibleCheck Version:
Check FoxCMS configuration files or admin panel for version informationVerify Fix Applied:
Test if authorization bypass via password parameter manipulation is no longer possible📡 Detection & Monitoring
Log Indicators:
- Unusual API requests to /app/api/controller/Site.php
- Failed authorization attempts followed by successful access
- Multiple requests with manipulated password parameters
Network Indicators:
- HTTP requests to vulnerable endpoint with unusual password parameter values
- Traffic patterns suggesting authorization bypass attempts
SIEM Query:
source="web_logs" AND uri="/app/api/controller/Site.php" AND (password="*" OR param_contains="password")