CVE-2022-26645
📋 TL;DR
This critical vulnerability in Online Banking System Protect v1.0 allows attackers to upload malicious PHP files through the image upload function, leading to remote code execution. Any organization using this vulnerable version is at risk of complete system compromise.
💻 Affected Systems
- Online Banking System Protect
📦 What is this software?
Banking System by Oretnom23
⚠️ Risk & Real-World Impact
Worst Case
Complete system takeover, data theft, ransomware deployment, and lateral movement across the network.
Likely Case
Web server compromise leading to data exfiltration, credential harvesting, and installation of backdoors.
If Mitigated
Limited impact with proper file upload restrictions and web application firewalls in place.
🎯 Exploit Status
Simple file upload bypass with publicly available proof-of-concept code.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: http://online.com
Restart Required: No
Instructions:
No official patch available. Consider migrating to alternative software or implementing strict workarounds.
🔧 Temporary Workarounds
Restrict File Upload Types
allConfigure web server to only accept image file extensions and validate file content.
# In .htaccess for Apache: AddType image/jpeg .jpg .jpeg
# In nginx config: location ~ \.php$ { deny all; }
Disable Upload Feature
allTemporarily disable the image upload functionality until permanent fix is available.
# Comment out or remove upload form elements and PHP handling code
🧯 If You Can't Patch
- Implement web application firewall with file upload filtering rules
- Isolate the vulnerable system in a DMZ with strict network segmentation
🔍 How to Verify
Check if Vulnerable:
Check if Online Banking System Protect v1.0 is installed and has active upload functionality.Check Version:
# Check version in application files or database configurationVerify Fix Applied:
Test upload functionality with PHP files to confirm they are rejected.📡 Detection & Monitoring
Log Indicators:
- PHP file upload attempts in web server logs
- Unusual POST requests to upload endpoints
Network Indicators:
- File uploads with PHP extensions
- Suspicious outbound connections post-upload
SIEM Query:
source="web.log" AND (url="*upload*" OR method="POST") AND (extension=".php" OR content_type="application/x-php")