CVE-2023-31704
📋 TL;DR
CVE-2023-31704 is an incorrect access control vulnerability in Sourcecodester Online Computer and Laptop Store 1.0 that allows remote attackers to escalate privileges to administrator role. This affects all installations of version 1.0 of this PHP/MySQL e-commerce software. Attackers can gain full administrative control over the store.
💻 Affected Systems
- Sourcecodester Online Computer and Laptop Store
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of the e-commerce system including customer data theft, financial fraud, website defacement, and installation of backdoors.
Likely Case
Unauthorized administrative access leading to data manipulation, order tampering, and potential data exfiltration.
If Mitigated
Limited impact with proper network segmentation and monitoring, but still represents a significant authentication bypass.
🎯 Exploit Status
Public proof-of-concept code exists on GitHub. Exploitation appears straightforward based on available information.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a different e-commerce platform or implementing custom security fixes.
🔧 Temporary Workarounds
Implement custom access control validation
allAdd server-side authorization checks for all administrative endpoints
Manual code modification required - no single command
Web Application Firewall rules
allBlock requests to administrative endpoints from non-admin users
WAF-specific configuration required
🧯 If You Can't Patch
- Isolate the application in a segmented network with strict access controls
- Implement comprehensive logging and monitoring for privilege escalation attempts
🔍 How to Verify
Check if Vulnerable:
Check if running Sourcecodester Online Computer and Laptop Store version 1.0. Test if non-admin users can access admin.php or similar administrative endpoints.
Check Version:
Check PHP files for version information or review installation documentation
Verify Fix Applied:
Verify that non-admin users cannot access administrative functions and that proper session validation is implemented.
📡 Detection & Monitoring
Log Indicators:
- Unauthorized access to admin.php or similar administrative endpoints
- User privilege changes from regular to admin
- Failed authentication attempts followed by successful admin access
Network Indicators:
- HTTP requests to administrative endpoints from non-admin IPs
- Unusual patterns in user-agent or referrer headers
SIEM Query:
web_access_logs WHERE (uri CONTAINS 'admin' OR uri CONTAINS 'privilege') AND user_role != 'admin' AND response_code = 200
🔗 References
- https://github.com/d34dun1c02n/CVE-2023-31704
- https://www.sourcecodester.com/php/16397/online-computer-and-laptop-store-using-php-and-mysql-source-code-free-download.html
- https://github.com/d34dun1c02n/CVE-2023-31704
- https://www.sourcecodester.com/php/16397/online-computer-and-laptop-store-using-php-and-mysql-source-code-free-download.html