CVE-2024-11801
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary code on Fuji Electric Tellus Lite V-Simulator 5 installations by tricking users into opening malicious V8 files. The flaw exists in how the software parses V8 files, enabling out-of-bounds writes that can lead to remote code execution. Users of Fuji Electric Tellus Lite V-Simulator 5 are affected.
💻 Affected Systems
- Fuji Electric Tellus Lite V-Simulator 5
📦 What is this software?
⚠️ 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 malicious code with the privileges of the current user, potentially installing malware, stealing credentials, or establishing persistence on the system.
If Mitigated
Limited impact due to proper network segmentation, application sandboxing, and user privilege restrictions preventing full system compromise.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file). The vulnerability was reported through ZDI-CAN-24769 and is documented in ZDI-24-1627 advisory.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.zerodayinitiative.com/advisories/ZDI-24-1627/
Restart Required: No
Instructions:
Check Fuji Electric security advisories for patch availability. If patch is released, download from official vendor sources and apply following vendor instructions.
🔧 Temporary Workarounds
Restrict V8 file handling
windowsConfigure system to open V8 files with alternative applications or block V8 file execution in Tellus Lite V-Simulator 5
Use Windows Group Policy or application settings to change file associations for .v8 files
User awareness training
allTrain users not to open V8 files from untrusted sources
🧯 If You Can't Patch
- Isolate affected systems from critical networks and internet access
- Implement application whitelisting to prevent unauthorized code execution
🔍 How to Verify
Check if Vulnerable:
Check if Fuji Electric Tellus Lite V-Simulator 5 is installed and processes V8 files. Review ZDI-24-1627 advisory for specific version details.Check Version:
Check application version through Windows Programs and Features or application About dialogVerify Fix Applied:
Verify patch installation through vendor-provided verification methods or by testing with safe V8 files after applying vendor updates.📡 Detection & Monitoring
Log Indicators:
- Unusual process creation from Tellus Lite V-Simulator 5
- Failed attempts to parse V8 files
- Application crashes when handling V8 files
Network Indicators:
- Outbound connections from Tellus Lite process to unknown IPs
- Unusual network traffic patterns following V8 file processing
SIEM Query:
Process Creation where Parent Process contains 'Tellus' OR Process Name contains 'V-Simulator' AND Command Line contains '.v8'