CVE-2022-30887
📋 TL;DR
Pharmacy Management System v1.0 contains a critical remote code execution vulnerability in the /php_action/editProductImage.php component. Attackers can upload malicious image files to execute arbitrary code on the server. Any organization using this vulnerable software version is affected.
💻 Affected Systems
- Pharmacy Management System
📦 What is this software?
Pharmacy Management System by Pharmacy Management System Project
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing attackers to steal sensitive pharmacy data, install ransomware, pivot to other systems, or establish persistent backdoors.
Likely Case
Attackers upload web shells to gain administrative access, exfiltrate patient records and payment information, or disrupt pharmacy operations.
If Mitigated
With proper file upload validation and web application firewalls, exploitation attempts are blocked, though the underlying vulnerability remains.
🎯 Exploit Status
Public exploit code is available on Packet Storm. Attack requires only web access to the vulnerable endpoint.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch exists. Recommended action is to upgrade to a newer version if available, or implement workarounds and monitoring.
🔧 Temporary Workarounds
Block vulnerable endpoint
allUse web server configuration to block access to /php_action/editProductImage.php
# Apache: RewriteRule ^/php_action/editProductImage\.php$ - [F,L]
# Nginx: location ~ /php_action/editProductImage\.php$ { deny all; }
Implement file upload restrictions
allConfigure web application firewall to block malicious file uploads
# ModSecurity rule: SecRule REQUEST_FILENAME "@rx /php_action/editProductImage\.php$" "id:1001,phase:2,deny"
🧯 If You Can't Patch
- Isolate the Pharmacy Management System in a separate network segment with strict firewall rules
- Implement application-level monitoring for file upload activities and suspicious PHP execution
🔍 How to Verify
Check if Vulnerable:
Check if /php_action/editProductImage.php exists and accepts file uploads without proper validation. Test with safe test files to confirm.
Check Version:
Check application version in admin panel or look for version markers in source code/configuration files.
Verify Fix Applied:
Attempt to access /php_action/editProductImage.php - should return 403/404. Test file upload functionality with various file types.
📡 Detection & Monitoring
Log Indicators:
- POST requests to /php_action/editProductImage.php with unusual file extensions
- File uploads with PHP code in image metadata
- Execution of unexpected system commands from web process
Network Indicators:
- Unusual outbound connections from web server
- Large data exfiltration from pharmacy database
SIEM Query:
source="web_logs" AND (uri="/php_action/editProductImage.php" OR file_upload="*.php" OR file_upload="*.phar")