CVE-2024-40392
📋 TL;DR
This CVE describes a SQL injection vulnerability in the Pharmacy/Medical Store Point of Sale System version 1.0. Attackers can inject malicious SQL commands through the name parameter in addnew.php, potentially compromising the database. Organizations using this specific software version are affected.
💻 Affected Systems
- SourceCodester Pharmacy/Medical Store Point of Sale System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data manipulation, authentication bypass, or remote code execution on the database server.
Likely Case
Unauthorized data access, extraction of sensitive information (patient records, financial data), and potential privilege escalation.
If Mitigated
Limited to error messages or partial data exposure if input validation and parameterized queries are partially implemented.
🎯 Exploit Status
SQL injection via GET/POST parameters is well-understood with many automated tools available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available. Consider replacing with secure software or implementing custom fixes.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement strict input validation and parameterized queries for the name parameter in addnew.php.
Edit addnew.php to replace raw SQL with prepared statements using mysqli or PDO.
Web Application Firewall (WAF)
allDeploy a WAF with SQL injection rules to block malicious requests.
Configure WAF rules to detect and block SQL injection patterns in the name parameter.
🧯 If You Can't Patch
- Isolate the system from the internet and restrict access to trusted networks only.
- Implement strict network segmentation and monitor all database access attempts.
🔍 How to Verify
Check if Vulnerable:
Test the name parameter in addnew.php with SQL injection payloads (e.g., ' OR '1'='1) and observe database errors or unexpected behavior.Check Version:
Check the software version in the admin panel or configuration files.Verify Fix Applied:
Verify that parameterized queries are implemented in addnew.php and test with SQL injection payloads to ensure they are blocked or sanitized.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts or parameter manipulation in web server logs
Network Indicators:
- HTTP requests with SQL keywords (e.g., UNION, SELECT) in the name parameter
SIEM Query:
source="web_server" AND (name="*UNION*" OR name="*SELECT*" OR name="*OR*1*1*")