CVE-2023-37627
📋 TL;DR
CVE-2023-37627 is a critical SQL injection vulnerability in Code-projects Online Restaurant Management System 1.0 that allows attackers to bypass authentication and manipulate restaurant data. This affects all installations of version 1.0 of this PHP-based web application. Attackers can access admin functions without credentials and perform unauthorized operations.
💻 Affected Systems
- Code-projects Online Restaurant Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of restaurant management system including data theft, data manipulation, deletion of all records, and potential server takeover if database permissions allow.
Likely Case
Unauthorized access to admin panel leading to manipulation of orders, menu items, and customer data, potentially causing business disruption and data integrity issues.
If Mitigated
Limited impact with proper input validation and parameterized queries preventing SQL injection, though other vulnerabilities may still exist.
🎯 Exploit Status
Proof of concept available in GitHub gist. SQL injection is straightforward with common tools like sqlmap.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available. Replace vulnerable code with parameterized queries and implement proper input validation.
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy WAF with SQL injection rules to block malicious requests
Input Validation Filter
allImplement input validation to reject SQL special characters in authentication fields
🧯 If You Can't Patch
- Isolate the system behind a firewall with strict access controls
- Implement network segmentation to limit database server access
🔍 How to Verify
Check if Vulnerable:
Test authentication endpoints with SQL injection payloads like ' OR '1'='1 in username/password fields
Check Version:
Check source code files for version information or review project documentation
Verify Fix Applied:
Verify that SQL injection payloads no longer bypass authentication and return proper error handling
📡 Detection & Monitoring
Log Indicators:
- Multiple failed login attempts with SQL keywords
- Successful admin logins from unusual IP addresses
- Database error messages in web logs
Network Indicators:
- Unusual database queries from web server
- Authentication bypass patterns in HTTP requests
SIEM Query:
source="web_logs" AND ("' OR" OR "--" OR ";--" OR "UNION SELECT") AND (uri="*/admin*" OR uri="*/login*")
🔗 References
- https://code-projects.org/online-restaurant-management-system-in-php-with-source-code/
- https://gist.github.com/1337kid/d3e7702bd19cc9355a6b3f153eb2fe8e
- https://code-projects.org/online-restaurant-management-system-in-php-with-source-code/
- https://gist.github.com/1337kid/d3e7702bd19cc9355a6b3f153eb2fe8e