CVE-2021-44249
📋 TL;DR
Online Motorcycle Rental System 1.0 has a blind time-based SQL injection vulnerability in its login portal that allows attackers to extract database credentials. This affects all installations of version 1.0. Attackers can use this to gain full database access and potentially compromise the entire system.
💻 Affected Systems
- Online Motorcycle (Bike) Rental System
📦 What is this software?
Online Motorcycle \(bike\) Rental System by Online Motorcycle \(bike\) Rental System Project
View all CVEs affecting Online Motorcycle \(bike\) Rental System →
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with database credential theft leading to data exfiltration, privilege escalation, and potential ransomware deployment.
Likely Case
Database credential theft enabling unauthorized access to sensitive customer data, payment information, and system configuration.
If Mitigated
Limited impact with proper input validation and database permissions restricting damage to non-critical data.
🎯 Exploit Status
Public exploit code available on Exploit-DB. Time-based blind SQL injection requires automated tools but is well-documented.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Consider migrating to a supported system or implementing workarounds.
🔧 Temporary Workarounds
Input Validation and Parameterized Queries
allImplement proper input validation and use parameterized queries/prepared statements for all database interactions.
Modify PHP login scripts to use prepared statements: $stmt = $conn->prepare('SELECT * FROM users WHERE username = ? AND password = ?'); $stmt->bind_param('ss', $username, $password);
Web Application Firewall (WAF)
allDeploy WAF rules to block SQL injection patterns in login requests.
ModSecurity rule: SecRule ARGS "@detectSQLi" "id:1001,phase:2,deny,status:403,msg:'SQL Injection Attempt'"
🧯 If You Can't Patch
- Isolate the system behind a reverse proxy with strict input filtering
- Implement network segmentation to limit database access from web server
🔍 How to Verify
Check if Vulnerable:
Test login form with SQL injection payloads like: admin' AND SLEEP(5)--Check Version:
Check system documentation or configuration files for version informationVerify Fix Applied:
Attempt SQL injection payloads and verify they're rejected without database interaction or delay📡 Detection & Monitoring
Log Indicators:
- Multiple failed login attempts with SQL keywords (UNION, SELECT, SLEEP)
- Unusual response times from login endpoint
- Database error messages in web logs
Network Indicators:
- Repeated POST requests to login.php with SQL payloads
- Unusual database connection patterns from web server
SIEM Query:
source="web.log" AND (url="/login.php" OR url="/login") AND (message="*SLEEP*" OR message="*UNION*" OR message="*SELECT*")