CVE-2024-11793
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary code on Fuji Electric Monitouch V-SFT installations by tricking users into opening malicious V9C files. Attackers can achieve remote code execution in the context of the current process. Users of Fuji Electric Monitouch V-SFT software are affected.
💻 Affected Systems
- Fuji Electric Monitouch V-SFT
📦 What is this software?
Monitouch V Sft by Fujielectric
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with attacker gaining full control of the affected system, potentially leading to data theft, ransomware deployment, or lateral movement within the network.
Likely Case
Local privilege escalation leading to unauthorized access to sensitive industrial control system data and potential manipulation of HMI operations.
If Mitigated
Limited impact with proper network segmentation and user awareness preventing malicious file execution.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file). The vulnerability is well-documented with technical details available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Fuji Electric security advisory for specific patched version
Vendor Advisory: https://www.fujielectric.com/
Restart Required: Yes
Instructions:
1. Check Fuji Electric security advisory for patch availability
2. Download and install the latest version of Monitouch V-SFT
3. Restart the system after installation
4. Verify patch installation
🔧 Temporary Workarounds
Restrict V9C File Processing
allBlock or restrict processing of V9C files from untrusted sources
User Awareness Training
allTrain users to avoid opening V9C files from unknown or untrusted sources
🧯 If You Can't Patch
- Implement strict network segmentation to isolate Monitouch systems
- Deploy application whitelisting to prevent unauthorized code execution
🔍 How to Verify
Check if Vulnerable:
Check Monitouch V-SFT version against Fuji Electric's security advisoryCheck Version:
Check application version through Monitouch V-SFT interface or Windows Programs and FeaturesVerify Fix Applied:
Verify installed version matches or exceeds patched version from vendor advisory📡 Detection & Monitoring
Log Indicators:
- Unexpected process crashes of Monitouch V-SFT
- Suspicious file access patterns for V9C files
- Unusual network connections from Monitouch processes
Network Indicators:
- Unexpected outbound connections from Monitouch systems
- File transfers containing V9C files from untrusted sources
SIEM Query:
Process:Monitouch AND (EventID:1000 OR FileExtension:.v9c FROM untrusted_source)