CVE-2025-13122
📋 TL;DR
This SQL injection vulnerability in SourceCodester Patients Waiting Area Queue Management System 1.0 allows attackers to manipulate database queries through the appointmentID parameter. Attackers can potentially access, modify, or delete patient appointment data. Organizations using this specific version of the queue management system are affected.
💻 Affected Systems
- SourceCodester Patients Waiting Area Queue Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including patient data exfiltration, system takeover via SQL injection to RCE, and potential destruction of healthcare appointment records.
Likely Case
Unauthorized access to patient appointment data, manipulation of queue information, and potential data leakage affecting patient privacy.
If Mitigated
Limited impact with proper input validation, parameterized queries, and network segmentation preventing database access.
🎯 Exploit Status
Remote exploitation is possible without authentication. The exploit is publicly available and SQL injection techniques are well-documented.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.sourcecodester.com/
Restart Required: No
Instructions:
1. Check vendor website for security updates. 2. If patch available, download and apply. 3. Test functionality after patching. 4. Monitor for any issues.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement strict input validation for appointmentID parameter to only accept expected formats
Modify /php/api_patient_checkin.php to validate appointmentID as integer using is_numeric() or filter_var()
Web Application Firewall Rules
allDeploy WAF rules to block SQL injection patterns targeting the vulnerable endpoint
Add WAF rule: Block requests to /php/api_patient_checkin.php with SQL keywords in appointmentID parameter
🧯 If You Can't Patch
- Isolate the system from internet access and restrict to internal network only
- Implement network segmentation to limit database access from the web application server
🔍 How to Verify
Check if Vulnerable:
Test the /php/api_patient_checkin.php endpoint with SQL injection payloads in appointmentID parameterCheck Version:
Check system documentation or configuration files for version informationVerify Fix Applied:
Attempt SQL injection tests after implementing fixes and verify they are blocked📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts or SQL errors in application logs
- Requests to /php/api_patient_checkin.php with suspicious parameters
Network Indicators:
- Unusual database connections from web server
- SQL error messages in HTTP responses
- Patterns of SQL keywords in HTTP requests
SIEM Query:
source="web_logs" AND uri="/php/api_patient_checkin.php" AND (appointmentID CONTAINS "'" OR appointmentID CONTAINS "UNION" OR appointmentID CONTAINS "SELECT")