CVE-2023-47445
📋 TL;DR
CVE-2023-47445 is a critical SQL injection vulnerability in Pre-School Enrollment System version 1.0 that allows attackers to execute arbitrary SQL commands via the username parameter in the admin login page. This affects all installations of this specific software version. Attackers can potentially gain unauthorized access, steal sensitive data, or compromise the entire system.
💻 Affected Systems
- PHPGurukul Pre-School Enrollment System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, privilege escalation to admin, and potential remote code execution on the underlying server.
Likely Case
Unauthorized access to sensitive student and administrative data, authentication bypass, and potential system takeover.
If Mitigated
Limited impact with proper input validation and parameterized queries in place, though the vulnerability still exists.
🎯 Exploit Status
SQL injection via username parameter requires no authentication and has public proof-of-concept available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available. Implement workarounds or migrate to a secure alternative system.
🔧 Temporary Workarounds
Input Validation and Sanitization
allAdd server-side validation to sanitize username input and reject SQL special characters.
Modify PHP code to use prepared statements with parameterized queries for database operations.
Web Application Firewall (WAF)
allDeploy WAF rules to block SQL injection patterns in the username parameter.
Configure WAF to detect and block SQL injection attempts on /preschool/admin/ endpoint.
🧯 If You Can't Patch
- Isolate the system from internet access and restrict to internal network only.
- Implement strict network segmentation and monitor all access to the vulnerable endpoint.
🔍 How to Verify
Check if Vulnerable:
Test the admin login page with SQL injection payloads in username field (e.g., admin' OR '1'='1).Check Version:
Check PHP files for version information or review installation documentation.Verify Fix Applied:
Verify that SQL injection attempts no longer succeed and proper error handling is in place.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL errors in application logs
- Multiple failed login attempts with SQL patterns in username
Network Indicators:
- HTTP requests to /preschool/admin/ with SQL injection patterns in parameters
SIEM Query:
source="web_logs" AND uri="/preschool/admin/" AND (username CONTAINS "'" OR username CONTAINS "OR" OR username CONTAINS "--")🔗 References
- https://github.com/termanix/PHPGrukul-Pre-School-Enrollment-System-v1.0/blob/main/CVE-2023-47445%20PHPGurukul-Pre-School-Enrollment-System-v1.0%20SQL%20Injection.md
- https://github.com/termanix/PHPGrukul-Pre-School-Enrollment-System-v1.0/blob/main/CVE-2023-47445%20PHPGurukul-Pre-School-Enrollment-System-v1.0%20SQL%20Injection.md
