CVE-2025-0335
📋 TL;DR
This vulnerability allows attackers to upload arbitrary files without restrictions through the Change Image Handler component in Online Bike Rental System 1.0. This could lead to remote code execution, data theft, or system compromise. All users running the vulnerable version are affected.
💻 Affected Systems
- Online Bike Rental System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise via webshell upload leading to remote code execution, data exfiltration, and lateral movement within the network.
Likely Case
Attackers upload malicious files (webshells, malware) to gain unauthorized access, deface websites, or steal sensitive data.
If Mitigated
File uploads are blocked or properly validated, limiting impact to denial of service or minor data exposure.
🎯 Exploit Status
Exploit details are publicly available on GitHub, making this easy to weaponize.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://code-projects.org/
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a newer version if available or implementing workarounds.
🔧 Temporary Workarounds
Implement File Upload Restrictions
allRestrict file uploads to specific extensions (e.g., .jpg, .png) and validate file types server-side.
Disable Change Image Handler
allTemporarily disable or block access to the vulnerable Change Image Handler endpoint.
🧯 If You Can't Patch
- Implement a web application firewall (WAF) with rules to block malicious file uploads.
- Isolate the system from the internet and restrict access to trusted networks only.
🔍 How to Verify
Check if Vulnerable:
Attempt to upload a non-image file (e.g., .php, .exe) via the Change Image Handler. If successful, the system is vulnerable.Check Version:
Check the system's version in the admin panel or configuration files.Verify Fix Applied:
Test file uploads with restricted extensions; malicious files should be rejected.📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads (non-image extensions) to /change_image_handler or similar endpoints
- Large or unexpected files in upload directories
Network Indicators:
- HTTP POST requests with file uploads to vulnerable endpoints
- Traffic spikes to upload directories
SIEM Query:
source="web_logs" AND (uri_path="/change_image_handler" OR uri_path CONTAINS "upload") AND file_extension NOT IN ("jpg", "png", "gif")