CVE-2022-29506 – This vulnerability allows attackers to read mem... (How to Fix)

Q: What is the severity of CVE-2022-29506?

CVE-2022-29506 has a CVSS score of 7.8 (HIGH). This vulnerability allows attackers to read memory beyond intended boundaries in V-SFT graphic editor's simulator module. By tricking a user into opening a malicious image file, attackers can potentially access sensitive information or execute arbitrary code. Affects V-SFT v6.1.3.0 and earlier versions.

📋 TL;DR

This vulnerability allows attackers to read memory beyond intended boundaries in V-SFT graphic editor's simulator module. By tricking a user into opening a malicious image file, attackers can potentially access sensitive information or execute arbitrary code. Affects V-SFT v6.1.3.0 and earlier versions.

💻 Affected Systems

Products:

Fujielectric V-SFT graphic editor

Versions: v6.1.3.0 and earlier

Operating Systems: Windows (based on typical industrial software deployment)

Default Config Vulnerable: ⚠️ Yes

Notes: Vulnerability exists in simulator module when processing image files. Requires user interaction to trigger.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Remote code execution leading to complete system compromise, data theft, and lateral movement within the network.

🟠

Likely Case

Information disclosure through memory leaks, potentially exposing sensitive data or system information.

🟢

If Mitigated

Limited impact with proper user training and restricted file handling, though out-of-bounds reads still pose information disclosure risks.

🌐 Internet-Facing: LOW - Requires user interaction to open malicious files, not directly internet-exposed.

🏢 Internal Only: MEDIUM - Internal users could be targeted via phishing or malicious files on network shares.

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ✅ No

Complexity: MEDIUM

Requires social engineering to get user to open malicious file. CVSS 7.8 suggests moderate attack complexity.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: v6.1.4.0 or later

Vendor Advisory: https://monitouch.fujielectric.com/site/download-e/09vsft6_inf/Search.php

Restart Required: Yes

Instructions:

1. Download latest version from Fujielectric website. 2. Uninstall current version. 3. Install updated version. 4. Restart system.

🔧 Temporary Workarounds

Restrict file handling

windows

Configure system to prevent V-SFT from opening untrusted image files

User training

all

Train users to only open image files from trusted sources

🧯 If You Can't Patch

Implement application whitelisting to prevent execution of unauthorized files
Use network segmentation to isolate systems running V-SFT from critical assets

🔍 How to Verify

Check if Vulnerable:

Check V-SFT version in Help > About menu. If version is 6.1.3.0 or earlier, system is vulnerable.

Check Version:

Check Help > About in V-SFT application interface

Verify Fix Applied:

Verify version is 6.1.4.0 or later in Help > About menu.

📡 Detection & Monitoring

Log Indicators:

Application crashes when opening image files
Unusual memory access patterns in application logs

Network Indicators:

Unusual outbound connections after opening image files

SIEM Query:

EventID=1000 OR EventID=1001 AND ProcessName="V-SFT.exe" AND Keywords="Faulting application"

📊 Metadata

CVE ID: CVE-2022-29506

CVSS v3 Score: 7.8 (HIGH)

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE: CWE-125

Published: June 14, 2022

Last Updated: November 21, 2024

🔗 References

https://jvn.jp/en/vu/JVNVU93134398/index.html Third Party Advisory
https://monitouch.fujielectric.com/site/download-e/09vsft6_inf/Search.php Release Notes,Vendor Advisory
https://monitouch.fujielectric.com/site/download-eu/03tellus_inf/index.php Release Notes,Vendor Advisory
https://jvn.jp/en/vu/JVNVU93134398/index.html Third Party Advisory
https://monitouch.fujielectric.com/site/download-e/09vsft6_inf/Search.php Release Notes,Vendor Advisory
https://monitouch.fujielectric.com/site/download-eu/03tellus_inf/index.php Release Notes,Vendor Advisory

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