CVE-2023-49543
📋 TL;DR
This vulnerability allows unauthenticated attackers to bypass access controls in Book Store Management System v1, enabling them to access administrative pages and functions without credentials. Any system running the vulnerable version is affected, potentially allowing complete system compromise.
💻 Affected Systems
- Book Store Management System
📦 What is this software?
Book Store Management System by Book Store Management System Project
⚠️ Risk & Real-World Impact
Worst Case
Attackers gain full administrative control, modify/delete data, install backdoors, or pivot to other systems.
Likely Case
Unauthorized data access, privilege escalation, and system configuration changes by attackers.
If Mitigated
Proper authentication and authorization controls prevent unauthorized access entirely.
🎯 Exploit Status
Public GitHub repository contains exploit details and demonstration
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Consider implementing proper access controls or replacing the software.
🔧 Temporary Workarounds
Implement Proper Authentication Middleware
allAdd authentication checks before accessing any administrative endpoints
Modify PHP controllers to include session validation and role checks
Restrict Access via Web Server
linuxUse .htaccess or web server configuration to restrict access to admin paths
Order deny,allow
Deny from all
Allow from 192.168.1.0/24 # Example internal network
🧯 If You Can't Patch
- Isolate the system behind a firewall with strict access controls
- Implement a Web Application Firewall (WAF) with authentication bypass rules
🔍 How to Verify
Check if Vulnerable:
Attempt to access /admin or administrative endpoints without authenticationCheck Version:
Check project files for version information or readmeVerify Fix Applied:
Verify authentication is required for all administrative functions📡 Detection & Monitoring
Log Indicators:
- Unauthenticated requests to admin endpoints
- Multiple failed login attempts followed by successful admin access
Network Indicators:
- Direct access to admin URLs without authentication headers
SIEM Query:
source="web_logs" AND (url="*/admin*" OR url="*/dashboard*") AND NOT (user!="" OR session_id!="")🔗 References
- https://github.com/geraldoalcantara/CVE-2023-49543
- https://owasp.org/Top10/A01_2021-Broken_Access_Control/
- https://www.sourcecodester.com/php/15748/book-store-management-system-project-using-php-codeigniter-3-free-source-code.html
- https://github.com/geraldoalcantara/CVE-2023-49543
- https://owasp.org/Top10/A01_2021-Broken_Access_Control/
- https://www.sourcecodester.com/php/15748/book-store-management-system-project-using-php-codeigniter-3-free-source-code.html
