CVE-2023-30247
📋 TL;DR
This CVE describes a critical file upload vulnerability in Oretnom23 Storage Unit Rental Management System v1.0 that allows remote attackers to upload malicious files and execute arbitrary code on the server. The vulnerability affects all installations of this specific software version. Attackers can compromise the entire system through this flaw.
💻 Affected Systems
- Oretnom23 Storage Unit Rental Management System
📦 What is this software?
Storage Unit Rental Management System by Storage Unit Rental Management System Project
View all CVEs affecting Storage Unit Rental Management System →
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with attacker gaining full control over the server, data theft, ransomware deployment, and lateral movement to other systems.
Likely Case
Webshell installation leading to persistent backdoor access, data exfiltration, and potential use as a pivot point for further attacks.
If Mitigated
Attack blocked at web application firewall level with file upload restrictions preventing malicious payloads from reaching the vulnerable endpoint.
🎯 Exploit Status
The GitHub reference contains detailed exploitation information. Attack requires only web access to the vulnerable endpoint.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: No
Instructions:
1. Check vendor website for security updates 2. If patch available, download and apply 3. Test functionality after patching
🔧 Temporary Workarounds
File Upload Restriction
allImplement strict file upload validation including file type checking, size limits, and content scanning
# Configure web server to block uploads to vulnerable endpoint
# Example for Apache: RewriteRule ^/path/to/update_settings - [F]
WAF Rule Implementation
allDeploy web application firewall rules to block malicious file upload patterns
# ModSecurity rule example: SecRule ARGS:update_settings "@rx malicious_pattern" "id:1001,phase:2,deny"
🧯 If You Can't Patch
- Isolate the system from internet access and restrict to internal network only
- Implement strict network segmentation and monitor all traffic to/from the vulnerable system
🔍 How to Verify
Check if Vulnerable:
Check if system is running Oretnom23 Storage Unit Rental Management System v1.0. Test by attempting file upload via update_settings parameter with monitoring.Check Version:
Check application configuration files or admin panel for version informationVerify Fix Applied:
Attempt to upload malicious file types via update_settings parameter and verify they are rejected. Check that only allowed file types are accepted.📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads via update_settings parameter
- Large file uploads to unexpected endpoints
- POST requests with suspicious file extensions
Network Indicators:
- HTTP POST requests to update_settings endpoint with file uploads
- Unusual outbound connections from web server
SIEM Query:
source="web_logs" AND (uri="*update_settings*" AND (method="POST" OR file_extension IN ("php", "jsp", "asp", "exe")))