CVE-2024-11743
📋 TL;DR
This CVE describes a Cross-Site Request Forgery (CSRF) vulnerability in SourceCodester Best House Rental Management System 1.0. Attackers can trick authenticated users into performing unintended actions like deleting user accounts via malicious requests to the /rental/ajax.php endpoint. Organizations using this specific software version are affected.
💻 Affected Systems
- SourceCodester Best House Rental Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could delete all user accounts, disrupt rental operations, and cause data loss by tricking administrators into executing malicious requests.
Likely Case
Attackers trick users into performing unauthorized actions like deleting their own or other user accounts, leading to service disruption and data loss.
If Mitigated
With proper CSRF protections, the vulnerability is neutralized and no unauthorized actions can be performed via forged requests.
🎯 Exploit Status
Exploit details are publicly available on GitHub. Attack requires user authentication but CSRF tokens are not implemented.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.sourcecodester.com/
Restart Required: No
Instructions:
No official patch available. Check vendor website for updates or implement CSRF protection manually.
🔧 Temporary Workarounds
Implement CSRF Tokens
allAdd CSRF token validation to all POST requests in the application
Modify PHP files to generate and validate unique tokens per session
SameSite Cookie Attribute
allSet SameSite=Strict or Lax attributes on session cookies
session.cookie_samesite = Strict in php.ini or setcookie('name', 'value', ['samesite' => 'Strict', 'secure' => true])
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to detect and block CSRF patterns
- Restrict access to the application to trusted networks only and implement strong authentication
🔍 How to Verify
Check if Vulnerable:
Check if /rental/ajax.php?action=delete_user accepts POST requests without CSRF token validationCheck Version:
Check application version in admin panel or configuration filesVerify Fix Applied:
Verify that all POST requests now require and validate CSRF tokens📡 Detection & Monitoring
Log Indicators:
- Multiple DELETE_USER actions from same IP/session
- POST requests to /rental/ajax.php without referrer validation
Network Indicators:
- HTTP POST requests to vulnerable endpoint from unexpected referrers
SIEM Query:
source="web_logs" AND uri="/rental/ajax.php" AND method="POST" AND action="delete_user" | stats count by src_ip