CVE-2024-46479
📋 TL;DR
Venki Supravizio BPM through version 18.0.1 contains an arbitrary file upload vulnerability that allows authenticated attackers to upload malicious files. This can lead to remote code execution on affected systems. Organizations using vulnerable versions of this business process management software are at risk.
💻 Affected Systems
- Venki Supravizio BPM
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with attacker gaining full control over the server, data exfiltration, lateral movement, and persistent backdoor installation.
Likely Case
Attacker uploads web shell or malicious payload to execute arbitrary commands, potentially leading to data theft, service disruption, or ransomware deployment.
If Mitigated
Limited impact with proper file upload restrictions, input validation, and network segmentation preventing successful exploitation.
🎯 Exploit Status
Exploitation requires authenticated access but is straightforward once credentials are obtained. Public proof-of-concept exists in GitHub repository.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.venki.com.br/ferramenta-bpm/supravizio/
Restart Required: No
Instructions:
1. Contact Venki support for patch information 2. Apply any available security updates 3. Verify the fix by testing file upload functionality
🔧 Temporary Workarounds
Restrict File Upload Types
allConfigure the application to only allow specific safe file extensions and implement server-side validation
Implement Web Application Firewall Rules
allDeploy WAF rules to block malicious file upload attempts and suspicious HTTP requests
🧯 If You Can't Patch
- Isolate the Supravizio BPM server in a restricted network segment with minimal access
- Implement strict access controls and multi-factor authentication for all user accounts
🔍 How to Verify
Check if Vulnerable:
Check if Supravizio BPM version is 18.0.1 or earlier. Test file upload functionality with restricted file types.Check Version:
Check application version in admin interface or configuration filesVerify Fix Applied:
Attempt to upload files with dangerous extensions (.jsp, .php, .exe) and verify they are rejected with proper validation.📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads with suspicious extensions
- Multiple failed upload attempts
- Successful uploads of executable files
Network Indicators:
- HTTP POST requests to upload endpoints with unusual file types
- Traffic to unexpected ports after upload
SIEM Query:
source="supravizio" AND (file_upload="*.jsp" OR file_upload="*.php" OR file_upload="*.exe")