CVE-2023-46482
📋 TL;DR
This SQL injection vulnerability in wuzhicms v4.1.0 allows remote attackers to execute arbitrary SQL commands through the database backup functionality. Attackers can potentially read, modify, or delete database contents, and in some configurations execute arbitrary code. All deployments using the vulnerable version are affected.
💻 Affected Systems
- wuzhicms
📦 What is this software?
Wuzhicms by Wuzhicms
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise including arbitrary code execution, data exfiltration, and persistent backdoor installation
Likely Case
Database compromise leading to data theft, privilege escalation, and potential website defacement
If Mitigated
Limited impact with proper input validation and database permissions restricting damage to non-critical data
🎯 Exploit Status
Exploitation requires admin access or access to vulnerable endpoint
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Unknown
Restart Required: No
Instructions:
1. Check for official patch from wuzhicms developers
2. If patch available, apply following vendor instructions
3. Test functionality after patching
🔧 Temporary Workarounds
Disable Database Backup Functionality
linuxTemporarily disable or restrict access to the vulnerable database backup component
# Rename or remove vulnerable file
mv coreframe/app/database/admin/index.php coreframe/app/database/admin/index.php.disabled
Implement Input Validation
allAdd parameterized queries or input validation to the vulnerable file
# Backup original file
cp coreframe/app/database/admin/index.php coreframe/app/database/admin/index.php.backup
# Edit file to implement proper input validation
🧯 If You Can't Patch
- Restrict network access to admin interface using firewall rules
- Implement web application firewall (WAF) with SQL injection protection rules
🔍 How to Verify
Check if Vulnerable:
Check if running wuzhicms v4.1.0 and if coreframe/app/database/admin/index.php exists with vulnerable codeCheck Version:
Check wuzhicms version in configuration files or admin panelVerify Fix Applied:
Test database backup functionality with malicious inputs to confirm SQL injection is prevented📡 Detection & Monitoring
Log Indicators:
- Unusual database backup requests
- SQL error messages in logs
- Multiple failed login attempts to admin interface
Network Indicators:
- Unusual traffic to database backup endpoint
- SQL injection patterns in HTTP requests
SIEM Query:
source="web_logs" AND (uri="*database/admin/index.php*" AND (method="POST" OR method="GET") AND (query="*sql*" OR query="*union*" OR query="*select*"))