CVE-2023-31943
📋 TL;DR
This SQL injection vulnerability in Online Travel Agency System v1.0 allows remote attackers to execute arbitrary SQL commands via the ticket_id parameter. Attackers can potentially access, modify, or delete database content, including sensitive customer and booking information. Any organization using this specific travel agency software version is affected.
💻 Affected Systems
- Online Travel Agency System
📦 What is this software?
Online Travel Agency System by Online Travel Agency System Project
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data destruction, authentication bypass, and potential remote code execution if database functions allow it.
Likely Case
Unauthorized access to sensitive customer data (PII, payment information, travel details), booking manipulation, and potential privilege escalation.
If Mitigated
Limited impact with proper input validation and database permissions, potentially only error messages or limited data exposure.
🎯 Exploit Status
Simple SQL injection via GET/POST parameter; exploit tools like sqlmap can automate exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: No
Instructions:
1. Review the vulnerable code in ticket_detail.php
2. Implement parameterized queries or prepared statements
3. Add input validation for ticket_id parameter
4. Test the fix thoroughly before deployment
🔧 Temporary Workarounds
Web Application Firewall (WAF) Rules
allDeploy WAF rules to block SQL injection patterns in ticket_id parameter
WAF-specific configuration commands vary by vendor
Input Validation Filter
allAdd server-side validation to accept only numeric values for ticket_id
PHP: if(!is_numeric($_GET['ticket_id'])) { die('Invalid input'); }
🧯 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 application server
🔍 How to Verify
Check if Vulnerable:
Test ticket_detail.php with SQL injection payloads like: ticket_detail.php?ticket_id=1' OR '1'='1Check Version:
Check software version in admin panel or configuration filesVerify Fix Applied:
Attempt SQL injection tests and verify they are blocked or sanitized; check that only numeric values are accepted📡 Detection & Monitoring
Log Indicators:
- Unusual SQL errors in application logs
- Multiple failed login attempts after SQL injection
- Suspicious ticket_id parameter values containing SQL keywords
Network Indicators:
- HTTP requests with SQL injection patterns in ticket_id parameter
- Unusual database query patterns from application server
SIEM Query:
source="web_logs" AND (ticket_id="*' OR*" OR ticket_id="*UNION*" OR ticket_id="*SELECT*" OR ticket_id="*--*" OR ticket_id="*;*" OR ticket_id="*/*")