CVE-2024-6785
📋 TL;DR
This vulnerability allows attackers with local access to read or modify configuration files containing cleartext credentials. This affects Moxa MXview One and MXview One Central Manager series products. The exposure of sensitive information could lead to service abuse or further system compromise.
💻 Affected Systems
- Moxa MXview One Series
- Moxa MXview One Central Manager Series
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attacker gains administrative access to the system, modifies configurations to disrupt operations, or uses stolen credentials to pivot to other systems.
Likely Case
Local user or compromised account reads configuration files to obtain credentials for privilege escalation or lateral movement.
If Mitigated
Limited to credential exposure without successful exploitation due to access controls and monitoring.
🎯 Exploit Status
Exploitation requires local file system access to read or modify configuration files.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for specific patched versions
Restart Required: Yes
Instructions:
1. Review vendor advisory for affected versions. 2. Download and apply the latest firmware/software update from Moxa. 3. Restart the affected services or systems. 4. Verify credentials are no longer stored in cleartext.
🔧 Temporary Workarounds
Restrict File Permissions
linuxLimit access to configuration files to only necessary users and processes.
chmod 600 /path/to/config/file
chown root:root /path/to/config/file
Implement File Integrity Monitoring
linuxMonitor configuration files for unauthorized changes.
auditctl -w /path/to/config/file -p war -k config_file_monitor
🧯 If You Can't Patch
- Implement strict access controls to limit who can access the system locally
- Monitor configuration files for unauthorized access or modifications
🔍 How to Verify
Check if Vulnerable:
Check if configuration files contain cleartext credentials using grep or file inspection tools.Check Version:
Check product version via web interface or system command specific to MXview productsVerify Fix Applied:
Verify configuration files no longer contain cleartext credentials and have proper permissions.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access to configuration files
- Failed permission checks on sensitive files
Network Indicators:
- Not applicable - local file access vulnerability
SIEM Query:
source="*" (file_access AND path="*/config*" AND user!="authorized_user")