CVE-2024-25422
📋 TL;DR
This SQL injection vulnerability in SEMCMS v4.8 allows remote attackers to execute arbitrary SQL commands through the SEMCMS_Menu.php component. Attackers can potentially read, modify, or delete database content, execute arbitrary code, and access sensitive information. All SEMCMS v4.8 installations using the vulnerable component are affected.
💻 Affected Systems
- SEMCMS
📦 What is this software?
Semcms by Sem Cms
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise including database destruction, remote code execution leading to full server takeover, and exfiltration of all stored sensitive data including user credentials and business information.
Likely Case
Database information disclosure, modification of website content, potential privilege escalation, and installation of backdoors or malware.
If Mitigated
Limited impact with proper input validation and parameterized queries preventing SQL injection, though other vulnerabilities might still exist.
🎯 Exploit Status
SQL injection vulnerabilities are commonly weaponized, and public references suggest exploit details are available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: No
Instructions:
1. Check for official patches from SEMCMS developers
2. If no patch available, implement workarounds
3. Consider upgrading to a newer version if available
4. Monitor vendor channels for security updates
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement strict input validation and parameterized queries for all user inputs in SEMCMS_Menu.php
Modify SEMCMS_Menu.php to use prepared statements with parameterized queries instead of string concatenation
Access Restriction
allRestrict access to SEMCMS_Menu.php component using web server configuration
# Apache: Add to .htaccess
<Files "SEMCMS_Menu.php">
Order Deny,Allow
Deny from all
</Files>
# Nginx: Add to server block
location ~* /SEMCMS_Menu\.php$ {
deny all;
}
🧯 If You Can't Patch
- Implement Web Application Firewall (WAF) with SQL injection protection rules
- Isolate the SEMCMS application in a restricted network segment with limited database access
🔍 How to Verify
Check if Vulnerable:
Check if SEMCMS version is 4.8 and SEMCMS_Menu.php exists and is accessible. Test with SQL injection payloads in parameters.Check Version:
Check SEMCMS configuration files or admin panel for version informationVerify Fix Applied:
Test SEMCMS_Menu.php with SQL injection payloads to confirm they are properly sanitized or blocked.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in web server logs
- Multiple failed SQL injection attempts
- Unexpected database queries from web application
Network Indicators:
- SQL keywords in HTTP GET/POST parameters
- Unusual database connection patterns from web server
SIEM Query:
web.url:*SEMCMS_Menu.php* AND (web.param:*UNION* OR web.param:*SELECT* OR web.param:*INSERT* OR web.param:*DELETE*)