CVE-2024-11797
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary code on Fuji Electric Monitouch V-SFT installations by tricking users into opening malicious V8 files. The flaw exists in improper data validation during V8 file parsing, leading to buffer overflow. Affected users include anyone running vulnerable versions of Monitouch V-SFT software.
💻 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
Attacker executes code with current user privileges, potentially installing malware, stealing credentials, or establishing persistence on the system.
If Mitigated
Limited impact with proper network segmentation, application whitelisting, and user training preventing malicious file execution.
🎯 Exploit Status
Exploitation requires user interaction but uses common buffer overflow techniques. ZDI has confirmed the vulnerability.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Fuji Electric advisory for specific patched version
Vendor Advisory: https://www.fujielectric.com/global/support/security/
Restart Required: Yes
Instructions:
1. Check Fuji Electric security advisory for patch details
2. Download official patch from Fuji Electric
3. Apply patch following vendor instructions
4. Restart affected systems
🔧 Temporary Workarounds
Restrict V8 File Execution
windowsBlock execution of V8 files from untrusted sources using application control policies
User Training and Awareness
allTrain users to avoid opening V8 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 patched version listCheck Version:
Check version through Monitouch V-SFT application interface or installation directoryVerify Fix Applied:
Verify installed version matches or exceeds patched version from vendor advisory📡 Detection & Monitoring
Log Indicators:
- Unusual process creation from Monitouch V-SFT
- Multiple failed file parsing attempts
- Unexpected network connections from Monitouch process
Network Indicators:
- Outbound connections from Monitouch to unexpected destinations
- File downloads followed by Monitouch process execution
SIEM Query:
Process Creation where Parent Process contains 'V-SFT' OR File Access where Process contains 'V-SFT' AND File Extension = '.v8'