CVE-2024-20723
📋 TL;DR
A buffer overflow vulnerability in Substance3D Painter versions 9.1.1 and earlier allows attackers to execute arbitrary code by tricking users into opening malicious files. This affects users of Adobe's Substance3D Painter software who open untrusted project files.
💻 Affected Systems
- Adobe Substance3D Painter
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with attacker gaining the same privileges as the current user, potentially leading to data theft, ransomware deployment, or lateral movement.
Likely Case
Local privilege escalation leading to malware installation, data exfiltration, or persistence mechanisms on the affected workstation.
If Mitigated
Limited impact if user runs with minimal privileges, has application sandboxing, and avoids opening untrusted files.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file) and buffer overflow exploitation knowledge.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 9.1.2 or later
Vendor Advisory: https://helpx.adobe.com/security/products/substance3d_painter/apsb24-04.html
Restart Required: Yes
Instructions:
1. Open Substance3D Painter. 2. Go to Help > Check for Updates. 3. Install version 9.1.2 or later. 4. Restart the application.
🔧 Temporary Workarounds
Restrict file opening
allOnly open Substance3D Painter files from trusted sources and avoid opening files from unknown or untrusted sources.
Run with reduced privileges
allRun Substance3D Painter with limited user privileges to reduce impact if exploited.
🧯 If You Can't Patch
- Isolate affected systems from critical networks and data
- Implement application whitelisting to prevent execution of unauthorized code
🔍 How to Verify
Check if Vulnerable:
Check Substance3D Painter version in Help > About. If version is 9.1.1 or earlier, system is vulnerable.Check Version:
Not applicable - check via application GUI Help > AboutVerify Fix Applied:
Verify version is 9.1.2 or later in Help > About after update.📡 Detection & Monitoring
Log Indicators:
- Application crashes with memory access violations
- Unexpected process creation from Substance3D Painter
Network Indicators:
- Unusual outbound connections from Substance3D Painter process
SIEM Query:
Process creation where parent process is 'Substance3D Painter' AND command line contains suspicious patterns