CVE-2024-7311
📋 TL;DR
This critical SQL injection vulnerability in Online Bus Reservation Site 1.0 allows remote attackers to execute arbitrary SQL commands via the Email parameter in register.php. Attackers can potentially access, modify, or delete database contents. All deployments of this specific software version are affected.
💻 Affected Systems
- Online Bus Reservation Site
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data theft, data destruction, authentication bypass, and potential remote code execution if database functions allow it.
Likely Case
Unauthorized data access, user information theft, and potential privilege escalation within the application.
If Mitigated
Limited impact with proper input validation and database permissions restricting damage to non-sensitive data.
🎯 Exploit Status
Exploit details are publicly available, making this easy to weaponize. The vulnerability is in a registration endpoint which is typically unauthenticated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None found
Restart Required: No
Instructions:
No official patch available. Consider implementing parameterized queries and input validation as workaround.
🔧 Temporary Workarounds
Implement Parameterized Queries
allReplace direct SQL concatenation with prepared statements in register.php
Edit register.php to use PDO or mysqli prepared statements for all database queries involving user input
Input Validation and Sanitization
allAdd strict validation for Email parameter before processing
Add validation: filter_var($email, FILTER_VALIDATE_EMAIL) and mysqli_real_escape_string() or equivalent
🧯 If You Can't Patch
- Implement WAF rules to block SQL injection patterns targeting register.php
- Restrict database user permissions to minimum required operations
🔍 How to Verify
Check if Vulnerable:
Test register.php endpoint with SQL injection payloads in Email parameter: ' OR '1'='1
Check Version:
Check software version in documentation or configuration files
Verify Fix Applied:
Test with same payloads and verify they are rejected or sanitized properly
📡 Detection & Monitoring
Log Indicators:
- Unusual SQL errors in application logs
- Multiple registration attempts with suspicious Email parameters
- Database query errors containing SQL syntax
Network Indicators:
- HTTP POST requests to register.php with SQL keywords in parameters
- Unusual database connection patterns from web server
SIEM Query:
source="web_logs" AND uri="/register.php" AND (param="Email" AND value MATCHES "'.*OR.*|'.*AND.*|'.*UNION.*")