CVE-2022-26302
📋 TL;DR
This CVE describes a heap-based buffer overflow vulnerability in the simulator module of Fuji Electric's V-SFT graphic editor. Attackers can exploit it by tricking users into opening specially crafted image files, potentially leading to information disclosure or arbitrary code execution. Users of V-SFT versions prior to 6.1.6.0 are affected.
💻 Affected Systems
- Fuji Electric V-SFT graphic editor
📦 What is this software?
V Sft by Fujielectric
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with attacker gaining complete control over the affected system, potentially leading to lateral movement within the network.
Likely Case
Local privilege escalation or arbitrary code execution in the context of the user running V-SFT, potentially leading to data theft or further system compromise.
If Mitigated
Limited impact with proper application sandboxing and user privilege restrictions, potentially only causing application crashes.
🎯 Exploit Status
Exploitation requires user interaction to open malicious files. No public exploit code has been identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: v6.1.6.0 and later
Vendor Advisory: https://monitouch.fujielectric.com/site/download-e/09vsft6_inf/Search.php
Restart Required: Yes
Instructions:
1. Download V-SFT version 6.1.6.0 or later from Fuji Electric's website. 2. Uninstall previous versions. 3. Install the updated version. 4. Restart the system.
🔧 Temporary Workarounds
Restrict file opening
allImplement policies to prevent users from opening untrusted image files with V-SFT
Application sandboxing
allRun V-SFT in a restricted environment or virtual machine
🧯 If You Can't Patch
- Implement strict file access controls to prevent opening untrusted image files
- Run V-SFT with minimal user privileges and in isolated environments
🔍 How to Verify
Check if Vulnerable:
Check V-SFT version in Help > About menu. If version is below 6.1.6.0, the system is vulnerable.Check Version:
Check Help > About menu in V-SFT applicationVerify Fix Applied:
Verify installed version is 6.1.6.0 or higher in Help > About menu.📡 Detection & Monitoring
Log Indicators:
- Application crashes of V-SFT when processing image files
- Unusual file access patterns to V-SFT executable
Network Indicators:
- Unusual outbound connections from V-SFT process
SIEM Query:
Process:V-SFT.exe AND (EventID:1000 OR EventID:1001) OR FileAccess:*.(bmp|jpg|png|tiff) AND Process:V-SFT.exe