CVE-2024-13038
📋 TL;DR
This critical SQL injection vulnerability in CodeAstro Simple Loan Management System 1.0 allows remote attackers to execute arbitrary SQL commands via the email parameter in the login page. Attackers can potentially access, modify, or delete database contents, including sensitive loan and customer information. Organizations using this loan management system are affected.
💻 Affected Systems
- CodeAstro Simple Loan Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data destruction, authentication bypass, and potential remote code execution on the underlying server.
Likely Case
Unauthorized access to sensitive loan application data, customer PII, financial records, and potential privilege escalation within the application.
If Mitigated
Limited impact if proper input validation and WAF rules block malicious SQL injection attempts, though underlying vulnerability remains.
🎯 Exploit Status
Public proof-of-concept exists on GitHub demonstrating blind SQL injection. Exploitation requires minimal technical skill.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://codeastro.com/
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a newer version if available, or implement workarounds.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement proper input validation and parameterized queries for the email parameter in /index.php
Modify PHP code to use prepared statements: $stmt = $conn->prepare('SELECT * FROM users WHERE email = ?'); $stmt->bind_param('s', $email);
Web Application Firewall Rules
allDeploy WAF rules to detect and block SQL injection attempts on login endpoints
Add WAF rule: Detect SQL injection patterns in POST parameters, especially email field
🧯 If You Can't Patch
- Isolate the system behind a firewall with strict access controls and network segmentation
- Implement rate limiting and monitoring on the login endpoint to detect brute force or injection attempts
🔍 How to Verify
Check if Vulnerable:
Test the login page with SQL injection payloads in the email parameter: ' OR '1'='1Check Version:
Check application version in admin panel or readme filesVerify Fix Applied:
Attempt SQL injection after implementing parameterized queries - should return normal login failure responses📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in application logs
- Multiple failed login attempts with SQL-like patterns in email field
- Database connection errors
Network Indicators:
- HTTP POST requests to /index.php containing SQL keywords in parameters
- Unusual database query patterns from application server
SIEM Query:
source="web_logs" AND uri="/index.php" AND (email="*OR*" OR email="*UNION*" OR email="*SELECT*" OR email="*--*")🔗 References
- https://codeastro.com/
- https://github.com/shaturo1337/POCs/blob/main/Blind%20SQL%20Injection%20in%20Simple%20Loan%20Management%20System.md
- https://vuldb.com/?ctiid.289771
- https://vuldb.com/?id.289771
- https://vuldb.com/?submit.471675
- https://github.com/shaturo1337/POCs/blob/main/Blind%20SQL%20Injection%20in%20Simple%20Loan%20Management%20System.md
