CVE-2023-33677
📋 TL;DR
CVE-2023-33677 allows unauthenticated attackers to execute arbitrary SQL queries through the '?page=items/view&id=*' parameter in Sourcecodester Lost and Found Information System Version 1.0. This can lead to data theft, modification, or deletion. All users running this specific version are affected.
💻 Affected Systems
- Sourcecodester Lost and Found Information System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data exfiltration, data destruction, or remote code execution if database functions allow it.
Likely Case
Unauthorized access to sensitive lost-and-found data, potential credential theft from database, and data manipulation.
If Mitigated
Limited impact with proper input validation and database permissions, potentially only read access to non-sensitive data.
🎯 Exploit Status
Simple SQL injection via URL parameter. Public proof-of-concept available on GitHub.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: http://wwwsourcecodestercom.com
Restart Required: No
Instructions:
No official patch available. Consider upgrading to newer version if exists, or implement workarounds.
🔧 Temporary Workarounds
Input Validation Filter
allAdd parameter validation to only accept numeric IDs
Modify items/view.php to validate id parameter: if(!is_numeric($_GET['id'])) { die('Invalid input'); }
Web Application Firewall Rule
allBlock SQL injection patterns in the id parameter
WAF rule: deny requests with SQL keywords in id parameter
🧯 If You Can't Patch
- Implement network segmentation to isolate the system from untrusted networks
- Add authentication requirement for the items/view endpoint
🔍 How to Verify
Check if Vulnerable:
Test URL: http://target/?page=items/view&id=1' OR '1'='1Check Version:
Check system version in admin panel or readme filesVerify Fix Applied:
Test with same payload - should return error or no data📡 Detection & Monitoring
Log Indicators:
- Multiple requests with SQL keywords in id parameter
- Unusual database error messages in logs
Network Indicators:
- HTTP requests containing SQL injection patterns in URL parameters
SIEM Query:
web.url:*page=items/view* AND (web.url:*OR* OR web.url:*UNION* OR web.url:*SELECT*)