CVE-2023-46024
📋 TL;DR
This SQL injection vulnerability in phpgurukul Teacher Subject Allocation Management System 1.0 allows attackers to execute arbitrary SQL commands through the 'searchdata' parameter in index.php. Attackers can potentially access, modify, or delete database information including sensitive user data. Organizations using this specific software version are affected.
💻 Affected Systems
- phpgurukul Teacher Subject Allocation Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data destruction, authentication bypass, and potential remote code execution if database permissions allow.
Likely Case
Unauthorized access to sensitive information including teacher and student data, grade records, and system credentials.
If Mitigated
Limited impact with proper input validation and database permissions, potentially only read access to non-sensitive data.
🎯 Exploit Status
SQL injection via GET/POST parameter requires minimal technical skill. Public proof-of-concept exists in GitHub repository.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available. Implement parameterized queries or input validation in index.php around the searchdata parameter.
🔧 Temporary Workarounds
Input Validation Filter
allAdd input validation to sanitize the searchdata parameter before processing
Add to index.php: $searchdata = mysqli_real_escape_string($conn, $_GET['searchdata']);
Web Application Firewall Rule
allBlock SQL injection patterns in the searchdata parameter
ModSecurity rule: SecRule ARGS:searchdata "@detectSQLi" "id:1001,phase:2,deny"
🧯 If You Can't Patch
- Implement network segmentation to isolate the system from internet access
- Deploy a web application firewall (WAF) with SQL injection protection rules
🔍 How to Verify
Check if Vulnerable:
Test by sending SQL injection payloads to the searchdata parameter: index.php?searchdata=' OR '1'='1
Check Version:
Check system documentation or about page; version may be displayed in footer or admin panel
Verify Fix Applied:
Test with same SQL injection payloads; system should return error or sanitized response without executing SQL
📡 Detection & Monitoring
Log Indicators:
- Unusual SQL errors in application logs
- Multiple requests with SQL keywords in searchdata parameter
- Requests with unusual characters like quotes, semicolons, or comments in search parameter
Network Indicators:
- HTTP requests containing SQL injection patterns in GET/POST parameters
- Unusual database query patterns from web server
SIEM Query:
web.url:*searchdata=* AND (web.url:*OR* OR web.url:*UNION* OR web.url:*SELECT* OR web.url:*--*)
🔗 References
- https://github.com/ersinerenler/phpgurukul-Teacher-Subject-Allocation-Management-System-1.0/blob/main/CVE-2023-46024-phpgurukul-Teacher-Subject-Allocation-Management-System-1.0-SQL-Injection-Vulnerability.md
- https://github.com/ersinerenler/phpgurukul-Teacher-Subject-Allocation-Management-System-1.0/blob/main/CVE-2023-46024-phpgurukul-Teacher-Subject-Allocation-Management-System-1.0-SQL-Injection-Vulnerability.md