CVE-2024-13138
📋 TL;DR
This vulnerability allows remote attackers to upload arbitrary files without restrictions in wangl1989 mysiteforme 1.0. Attackers can exploit this to upload malicious files like webshells or malware. Anyone running the vulnerable mysiteforme 1.0 software is affected.
💻 Affected Systems
- wangl1989 mysiteforme
📦 What is this software?
Mysiteforme by Wangl1989
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise, data theft, or ransomware deployment.
Likely Case
Attackers upload webshells to gain persistent access and execute arbitrary commands on the server.
If Mitigated
File uploads are blocked or properly validated, preventing malicious file execution.
🎯 Exploit Status
Exploit details are publicly disclosed in GitHub issues.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: Yes
Instructions:
1. Monitor the GitHub repository for patches. 2. Apply any available security updates. 3. Restart the mysiteforme application.
🔧 Temporary Workarounds
Disable file upload functionality
allTemporarily disable the vulnerable upload feature in the application configuration.
Modify application configuration to disable upload endpoints
Implement file upload restrictions
allAdd server-side validation for file types, sizes, and names.
Implement file extension whitelisting and size limits in code
🧯 If You Can't Patch
- Implement a web application firewall (WAF) with file upload protection rules.
- Isolate the mysiteforme application in a restricted network segment.
🔍 How to Verify
Check if Vulnerable:
Check if running mysiteforme version 1.0 and review the LocalUploadServiceImpl code for unrestricted upload validation.Check Version:
Check application version in configuration files or via application interface.Verify Fix Applied:
Test file upload functionality with malicious files to ensure proper validation and blocking.📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads to upload endpoints
- Files with suspicious extensions being uploaded
Network Indicators:
- HTTP POST requests to upload endpoints with unusual file types
SIEM Query:
source="mysiteforme" AND (url="*upload*" OR method="POST") AND (file_extension="*.jsp" OR file_extension="*.php" OR file_extension="*.exe")