CVE-2024-9923
📋 TL;DR
This vulnerability in Team+ software allows administrators to move arbitrary system files to the web root directory, potentially exposing sensitive data. Attackers with admin privileges can exploit this to access files they shouldn't be able to reach. Only Team+ installations with administrator accounts are affected.
💻 Affected Systems
- Team+ from TEAMPLUS TECHNOLOGY
📦 What is this software?
Team\+ Pro by Teamplus
⚠️ Risk & Real-World Impact
Worst Case
Administrator credentials are compromised, allowing attackers to move sensitive system files (like configuration files, password databases) to the web root and download them, leading to complete system compromise.
Likely Case
Malicious insider or compromised admin account moves sensitive files to web-accessible locations, exposing confidential data like user information, configuration secrets, or business data.
If Mitigated
With proper access controls and monitoring, the impact is limited to authorized administrators who might accidentally expose files, which can be detected and remediated quickly.
🎯 Exploit Status
Exploitation requires administrator credentials but is straightforward once those credentials are obtained. No public exploit code was found in the provided references.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified in references
Vendor Advisory: https://www.twcert.org.tw/en/cp-139-8129-00002-2.html
Restart Required: Yes
Instructions:
1. Contact TEAMPLUS TECHNOLOGY for the latest patched version. 2. Backup your Team+ installation and data. 3. Apply the vendor-provided patch or update to the latest version. 4. Restart the Team+ service or server. 5. Verify the fix by testing the vulnerable functionality.
🔧 Temporary Workarounds
Restrict Administrator Access
allLimit the number of administrator accounts and implement strong authentication controls
File System Monitoring
allMonitor for unexpected file movements to web root directories
# Linux: auditd rule to monitor web root
-a exit,always -F arch=b64 -S rename -S renameat -S renameat2 -F dir=/var/www/html -F success=1 -k teamplus_file_move
# Windows: Enable file system auditing for web directory
🧯 If You Can't Patch
- Implement strict access controls for administrator accounts with multi-factor authentication
- Deploy file integrity monitoring on web root directories to detect unauthorized file movements
🔍 How to Verify
Check if Vulnerable:
Test if administrators can move system files to web root by attempting to exploit the page parameter validation flaw. Check version against vendor advisory.Check Version:
Check Team+ administration interface or configuration files for version information. Consult vendor documentation for specific version check commands.Verify Fix Applied:
After patching, attempt to reproduce the vulnerability by trying to move system files to web root using the same method. The operation should fail with proper validation.📡 Detection & Monitoring
Log Indicators:
- Unusual file move operations in application logs
- Administrator actions moving files to web directories
- Failed or successful file operations with suspicious parameters
Network Indicators:
- Unexpected access to system files via web URLs
- Administrative interface access from unusual locations
SIEM Query:
source="teamplus_logs" AND (event="file_move" OR event="file_operation") AND (target_path CONTAINS "/var/www/" OR target_path CONTAINS "C:\\inetpub\\")