CVE-2022-34024
📋 TL;DR
Barangay Management System v1.0 contains an arbitrary file upload vulnerability in the resident module editing function. Attackers can upload malicious files to execute arbitrary code on the server. This affects all deployments of Barangay Management System v1.0.
💻 Affected Systems
- Barangay Management System
📦 What is this software?
Barangay Management System by Barangay Management System Project
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise via remote code execution, allowing attackers to install malware, steal data, or pivot to other systems.
Likely Case
Webshell deployment leading to data theft, defacement, or use as a foothold for further attacks.
If Mitigated
Limited impact with proper file upload restrictions and server hardening.
🎯 Exploit Status
Exploitation requires authentication to access the resident module editing function
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None known
Restart Required: No
Instructions:
No official patch available. Consider workarounds or migrating to alternative software.
🔧 Temporary Workarounds
File Upload Restriction
allImplement server-side validation to restrict uploaded file types to safe extensions only
Web Application Firewall
allDeploy WAF rules to block malicious file upload attempts
🧯 If You Can't Patch
- Disable the resident module editing function if not required
- Implement strict file upload validation and store uploaded files outside web root
🔍 How to Verify
Check if Vulnerable:
Check if /bmis/pages/resident/resident.php exists and allows file uploads without proper validationCheck Version:
Check software version in admin panel or configuration filesVerify Fix Applied:
Test if malicious file uploads (e.g., .php files) are blocked by the system📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads to /bmis/pages/resident/resident.php
- Execution of unexpected PHP files
Network Indicators:
- POST requests to resident.php with file uploads
- Traffic to unexpected web shells
SIEM Query:
source="web_server" AND (uri="/bmis/pages/resident/resident.php" AND method="POST" AND file_upload="*")