CVE-2025-4156
📋 TL;DR
This critical SQL injection vulnerability in PHPGurukul Boat Booking System 1.0 allows remote attackers to manipulate database queries through the /admin/change-image.php endpoint. Attackers can potentially read, modify, or delete database contents, including sensitive booking information and administrative credentials. All users running the vulnerable version are affected.
💻 Affected Systems
- PHPGurukul Boat Booking System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, administrative account takeover, and potential system-level access through privilege escalation.
Likely Case
Unauthorized data access and manipulation of booking records, customer information, and system configuration.
If Mitigated
Limited impact if proper input validation and database permissions restrict query execution.
🎯 Exploit Status
Exploit details are publicly disclosed on GitHub, making this easily exploitable by attackers with basic SQL injection knowledge.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://phpgurukul.com/
Restart Required: No
Instructions:
No official patch available. Consider migrating to alternative software or implementing workarounds.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement parameterized queries and input validation for the ID parameter in change-image.php
Modify /admin/change-image.php to use prepared statements with parameter binding
Access Restriction
linuxRestrict access to the vulnerable endpoint using web server rules
# Apache: <Location /admin/change-image.php> Require ip 192.168.1.0/24 </Location>
# Nginx: location /admin/change-image.php { allow 192.168.1.0/24; deny all; }
🧯 If You Can't Patch
- Implement a Web Application Firewall (WAF) with SQL injection rules
- Isolate the system from internet access and restrict to internal network only
🔍 How to Verify
Check if Vulnerable:
Check if /admin/change-image.php exists and accepts ID parameter without proper sanitization. Test with SQL injection payloads like ' OR '1'='1Check Version:
Check software version in admin panel or readme filesVerify Fix Applied:
Test the same SQL injection payloads after implementing fixes to confirm they no longer execute📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in web server logs
- Multiple failed login attempts to admin interface
- Suspicious parameter values containing SQL keywords
Network Indicators:
- HTTP requests to /admin/change-image.php with SQL injection patterns in parameters
SIEM Query:
source="web_server.log" AND uri="/admin/change-image.php" AND (param="ID" AND value MATCHES "(?i)(union|select|insert|update|delete|drop|or|and|'|--|#)")