CVE-2023-48716
📋 TL;DR
CVE-2023-48716 allows unauthenticated attackers to execute arbitrary SQL commands through the 'class_id' parameter in add_classes.php. This affects Student Result Management System v1.0 installations, potentially compromising the entire database and system. Any organization using this software is vulnerable.
💻 Affected Systems
- Student Result Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data manipulation, authentication bypass, and potential remote code execution via database functions.
Likely Case
Database information disclosure, credential theft, and unauthorized data modification affecting student records and system integrity.
If Mitigated
Limited impact with proper input validation and database permissions, potentially only allowing data viewing without modification.
🎯 Exploit Status
SQL injection via GET/POST parameters is trivial to exploit with automated tools. Public advisories provide technical details.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: No official vendor advisory found
Restart Required: No
Instructions:
1. Check vendor website for updated version
2. If no patch available, implement workarounds
3. Consider replacing with alternative software
🔧 Temporary Workarounds
Input Validation Filter
allAdd parameter validation to add_classes.php to restrict class_id to numeric values only
Modify add_classes.php to include: if(!is_numeric($_REQUEST['class_id'])) { die('Invalid input'); }
Web Application Firewall
allDeploy WAF with SQL injection rules to block malicious requests
🧯 If You Can't Patch
- Isolate the system behind a firewall with strict access controls
- Implement network segmentation to limit database access from web server
🔍 How to Verify
Check if Vulnerable:
Test add_classes.php with payload: ?class_id=1' OR '1'='1 and observe database errors or unexpected behaviorCheck Version:
Check software version in admin panel or readme filesVerify Fix Applied:
Test with same payload after fixes - should return error message or no database interaction📡 Detection & Monitoring
Log Indicators:
- SQL syntax errors in web server logs
- Unusual database queries from web application
- Multiple failed parameter validation attempts
Network Indicators:
- HTTP requests with SQL keywords in parameters
- Unusual database port traffic from web server
SIEM Query:
source="web_logs" AND ("SQL syntax" OR "mysql_error" OR "class_id=1'" OR "UNION SELECT")