CVE-2024-50620
📋 TL;DR
This vulnerability allows authorized users to upload executable files through CIPPlanner CIPAce's rich text editor and document management components. Attackers can upload malicious executables that may execute if stored in directories with execution permissions. All users of affected CIPAce versions are at risk.
💻 Affected Systems
- CIPPlanner CIPAce
📦 What is this software?
Cipace by Cipplanner
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise, data theft, and lateral movement within the network.
Likely Case
Malicious file upload leading to malware deployment, data exfiltration, or system disruption.
If Mitigated
Limited impact if proper file type validation and directory permissions are enforced.
🎯 Exploit Status
Requires authorized user credentials but exploitation is straightforward once authenticated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 9.17 or later
Vendor Advisory: https://cipplanner.com/cve-2024-50620-cve-public-notification-of-resolution/
Restart Required: No
Instructions:
1. Upgrade CIPAce to version 9.17 or later. 2. Verify the update completed successfully. 3. Test file upload functionality to ensure proper validation.
🔧 Temporary Workarounds
Restrict file upload permissions
allConfigure web server to block execution of uploaded files in upload directories
Implement WAF rules
allAdd web application firewall rules to block executable file uploads
🧯 If You Can't Patch
- Implement strict file type validation at the application level to block executable uploads
- Configure upload directories with no-execute permissions and store files outside web root
🔍 How to Verify
Check if Vulnerable:
Check CIPAce version in admin panel or configuration files. If version is below 9.17, system is vulnerable.
Check Version:
Check CIPAce admin dashboard or configuration files for version information
Verify Fix Applied:
After upgrading to 9.17+, attempt to upload executable files through rich text editor and document management. Uploads should be rejected.
📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads with executable extensions (.exe, .bat, .sh, .php)
- Multiple failed upload attempts followed by successful upload
- File uploads from unusual user accounts or IP addresses
Network Indicators:
- HTTP POST requests to upload endpoints with executable file content
- Unusual outbound connections following file uploads
SIEM Query:
source="web_server" AND (method="POST" AND uri="*upload*" AND (file_extension="exe" OR file_extension="bat" OR file_extension="sh" OR file_extension="php"))