CVE-2023-30016
📋 TL;DR
A critical SQL injection vulnerability in oretnom23 Judging Management System v1.0 allows remote attackers to execute arbitrary SQL commands via the sub_event_id parameter in sub_event_details_edit.php. This can lead to complete system compromise, data theft, or unauthorized access. All deployments of this specific software version are affected.
💻 Affected Systems
- oretnom23 Judging Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise leading to complete database takeover, data exfiltration, remote code execution on the server, and potential lateral movement within the network.
Likely Case
Unauthorized access to sensitive judging data, manipulation of competition results, extraction of user credentials, and potential privilege escalation.
If Mitigated
Limited impact with proper input validation and parameterized queries preventing SQL injection, though other vulnerabilities may still exist.
🎯 Exploit Status
The exploit requires no authentication and uses simple SQL injection techniques that are well-documented and easily automated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: No official vendor advisory found
Restart Required: No
Instructions:
No official patch available. Consider implementing the workarounds below or replacing the software entirely.
🔧 Temporary Workarounds
Input Validation and Sanitization
allAdd server-side validation to ensure sub_event_id parameter contains only expected values (integers)
Modify sub_event_details_edit.php to validate input before processing
Web Application Firewall (WAF)
allDeploy a WAF with SQL injection protection rules
🧯 If You Can't Patch
- Isolate the system from the internet and restrict access to authorized users only
- Implement network segmentation to limit potential lateral movement
🔍 How to Verify
Check if Vulnerable:
Test the sub_event_details_edit.php endpoint with SQL injection payloads in the sub_event_id parameterCheck Version:
Check the software version in the application interface or configuration filesVerify Fix Applied:
Verify that SQL injection attempts no longer succeed and return appropriate error messages📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in application logs
- Multiple failed login attempts following SQL injection patterns
- Unexpected database queries from the application
Network Indicators:
- HTTP requests to sub_event_details_edit.php with SQL payloads in parameters
- Unusual database traffic patterns
SIEM Query:
source="web_logs" AND uri="*sub_event_details_edit.php*" AND (param="*sub_event_id*" AND value="*' OR *" OR value="*;--*" OR value="*UNION*" OR value="*SELECT*" OR value="*FROM*" OR value="*WHERE*")