CVE-2023-27041
📋 TL;DR
School Registration and Fee System v1.0 contains a SQL injection vulnerability in the id parameter at /bilal final/edit_user.php, allowing attackers to execute arbitrary SQL commands. This affects all users running the vulnerable version, potentially compromising database integrity and confidentiality. The vulnerability is exploitable via web requests to the affected endpoint.
💻 Affected Systems
- School Registration and Fee System
📦 What is this software?
School Registration And Fee System by School Registration And Fee System Project
View all CVEs affecting School Registration And Fee System →
⚠️ Risk & Real-World Impact
Worst Case
Full database compromise leading to data theft, unauthorized access, or complete system takeover via SQL injection, potentially resulting in data loss or ransomware.
Likely Case
Unauthorized data access or modification, such as viewing or altering user records, fees, or sensitive school information.
If Mitigated
Limited impact with proper input validation and database permissions, preventing exploitation but requiring patching for full security.
🎯 Exploit Status
Exploit details are publicly available in GitHub references, making it easy for attackers to weaponize.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch; apply workarounds or upgrade to a secure version if available from the vendor.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement server-side validation and sanitization for the id parameter to block SQL injection attempts.
Modify edit_user.php to use prepared statements or parameterized queries (e.g., in PHP: $stmt = $conn->prepare('SELECT * FROM users WHERE id = ?'); $stmt->bind_param('i', $id); $stmt->execute();)
Web Application Firewall (WAF) Rules
allDeploy a WAF to filter and block SQL injection patterns targeting the vulnerable endpoint.
Configure WAF rules to detect and block requests with SQL keywords in the id parameter (e.g., using ModSecurity or cloud-based WAFs).
🧯 If You Can't Patch
- Isolate the system from the internet and restrict access to trusted internal networks only.
- Implement strict database permissions to limit the impact of SQL injection (e.g., use least privilege accounts).
🔍 How to Verify
Check if Vulnerable:
Test the endpoint /bilal final/edit_user.php with a SQL injection payload in the id parameter (e.g., id=1' OR '1'='1) and check for error responses or unexpected data.Check Version:
Check the software version in the system's admin panel or configuration files; no standard command provided.Verify Fix Applied:
After applying workarounds, retest with the same payload; ensure no SQL errors or unauthorized data is returned.📡 Detection & Monitoring
Log Indicators:
- Log entries showing SQL errors or unusual requests to /bilal final/edit_user.php with suspicious id parameters.
Network Indicators:
- Unusual traffic patterns to the vulnerable endpoint, especially with SQL keywords in parameters.
SIEM Query:
Example: source="web_logs" AND uri="/bilal final/edit_user.php" AND (id CONTAINS "'" OR id CONTAINS "OR" OR id CONTAINS "--")