CVE-2022-24221
📋 TL;DR
CVE-2022-24221 is a SQL injection vulnerability in eliteCMS v1.0 that allows attackers to execute arbitrary SQL commands via the /admin/functions/functions.php endpoint. This affects all installations of eliteCMS v1.0, potentially compromising the entire database and web application.
💻 Affected Systems
- eliteCMS
📦 What is this software?
Elite Cms by Elitecms
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data manipulation, authentication bypass, and potential remote code execution via database functions.
Likely Case
Database information disclosure, authentication bypass, and privilege escalation allowing administrative access to the CMS.
If Mitigated
Limited impact if proper input validation and parameterized queries are implemented, with database permissions restricted.
🎯 Exploit Status
Exploitation requires access to the admin interface. The SQL injection is straightforward and well-documented in public reports.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch exists. Consider migrating to a supported CMS or implementing custom fixes with parameterized queries.
🔧 Temporary Workarounds
Input Validation Filter
allAdd input validation to sanitize user inputs before processing SQL queries
Edit /admin/functions/functions.php and implement mysqli_real_escape_string() or prepared statements
Access Restriction
allRestrict access to the vulnerable admin endpoint using web server rules
# Apache: Add to .htaccess
<Files "functions.php">
Order Deny,Allow
Deny from all
</Files>
# Nginx: Add to server block
location ~ /admin/functions/functions\.php$ {
deny all;
}
🧯 If You Can't Patch
- Implement Web Application Firewall (WAF) with SQL injection protection rules
- Restrict database user permissions to minimum required operations
🔍 How to Verify
Check if Vulnerable:
Check if /admin/functions/functions.php exists and contains unsanitized user input in SQL queriesCheck Version:
Check CMS version in configuration files or admin panelVerify Fix Applied:
Test the vulnerable endpoint with SQL injection payloads to confirm they're blocked or sanitized📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts to admin panel
- Suspicious POST requests to /admin/functions/functions.php
Network Indicators:
- SQL injection patterns in HTTP requests
- Unusual database connection patterns from web server
SIEM Query:
source="web_logs" AND (url="/admin/functions/functions.php" AND (method="POST" OR method="GET") AND (content CONTAINS "UNION" OR content CONTAINS "SELECT" OR content CONTAINS "' OR '" OR content CONTAINS "--"))