CVE-2024-7944
📋 TL;DR
This critical vulnerability in itsourcecode Laravel Property Management System 1.0 allows remote attackers to upload arbitrary files without restrictions via the UpdateDocumentsRequest function in DocumentsController.php. This affects all deployments of version 1.0 that have the vulnerable component enabled. Attackers can exploit this remotely to potentially execute malicious code on the server.
💻 Affected Systems
- itsourcecode Laravel Property Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise, data theft, ransomware deployment, or use as a foothold for lateral movement within the network.
Likely Case
Webshell upload allowing persistent backdoor access, file system manipulation, and potential privilege escalation to execute arbitrary commands.
If Mitigated
Limited impact with proper file upload validation and execution restrictions in place, potentially only allowing denial of service through disk space consumption.
🎯 Exploit Status
Exploit details are publicly available. Attack requires access to the document upload functionality but doesn't require authentication beyond what the application normally requires.
🛠️ 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 property management system or implementing custom fixes with proper file upload validation.
🔧 Temporary Workarounds
Implement File Upload Validation
allAdd server-side validation to restrict file types, extensions, and content checking for uploaded documents.
Edit DocumentsController.php to add validation: $request->validate(['document' => 'required|file|mimes:pdf,doc,docx|max:5120']);
Restrict Upload Directory Permissions
linuxSet upload directory permissions to prevent execution of uploaded files.
chmod 644 /path/to/upload/directory/*
chown www-data:www-data /path/to/upload/directory/
🧯 If You Can't Patch
- Disable document upload functionality completely in the application
- Implement WAF rules to block malicious file upload patterns and suspicious extensions
🔍 How to Verify
Check if Vulnerable:
Check if you're running itsourcecode Laravel Property Management System version 1.0 and examine DocumentsController.php for missing file upload validation.Check Version:
Check application version in package.json, composer.json, or application configuration files.Verify Fix Applied:
Test file upload functionality with restricted file types (like .php, .exe) to ensure they're rejected with proper validation.📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads with executable extensions
- Large number of upload requests
- Uploads to non-standard directories
- Failed upload attempts with suspicious file types
SIEM Query:
source="web_server" AND (uri_path="/upload" OR uri_path="/documents/update") AND (file_extension="php" OR file_extension="exe" OR file_extension="sh")