CVE-2024-9090
📋 TL;DR
This critical SQL injection vulnerability in SourceCodester Modern Loan Management System 1.0 allows attackers to execute arbitrary SQL commands through the searchMember parameter in search_member.php. Attackers can exploit this remotely to potentially access, modify, or delete database content. Organizations using this loan management system are affected.
💻 Affected Systems
- SourceCodester Modern Loan Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including theft of sensitive loan applicant data (PII, financial information), unauthorized loan modifications, administrative account takeover, and potential system destruction.
Likely Case
Data exfiltration of loan records and customer information, potential privilege escalation to administrative access, and database manipulation.
If Mitigated
Limited impact with proper input validation and database permissions, potentially only read access to non-sensitive data.
🎯 Exploit Status
Public exploit disclosure available, SQL injection is well-understood with many automated tools available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.sourcecodester.com/
Restart Required: No
Instructions:
No official patch available. Consider implementing workarounds or replacing the system.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement proper input validation and parameterized queries for the searchMember parameter
Modify search_member.php to use prepared statements: $stmt = $conn->prepare('SELECT * FROM members WHERE name LIKE ?'); $stmt->bind_param('s', $searchMember); $stmt->execute();
Web Application Firewall Rules
allDeploy WAF rules to block SQL injection patterns in search parameters
Add WAF rule: deny requests containing SQL keywords (UNION, SELECT, INSERT, etc.) in searchMember parameter
🧯 If You Can't Patch
- Isolate the system behind a reverse proxy with strict input filtering
- Implement network segmentation to limit database access from the web application
🔍 How to Verify
Check if Vulnerable:
Test the search_member.php endpoint with SQL injection payloads like: searchMember=' OR '1'='1Check Version:
Check system documentation or admin panel for version informationVerify Fix Applied:
Test with SQL injection payloads after implementing fixes; successful fix should return normal results or error messages without database errors📡 Detection & Monitoring
Log Indicators:
- Unusual SQL errors in application logs
- Multiple failed login attempts following SQL injection patterns
- Unusual database queries from web application user
Network Indicators:
- HTTP requests containing SQL keywords in searchMember parameter
- Unusual outbound database connections from web server
SIEM Query:
source=web_logs AND (searchMember CONTAINS "UNION" OR searchMember CONTAINS "SELECT" OR searchMember CONTAINS "--")