CVE-2023-29282
📋 TL;DR
Adobe Substance 3D Painter versions 8.3.0 and earlier contain an out-of-bounds write vulnerability that could allow attackers to execute arbitrary code on a victim's system. This affects users who open malicious files with the software. Exploitation requires user interaction through opening a specially crafted file.
💻 Affected Systems
- Adobe Substance 3D Painter
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with attacker gaining the same privileges as the current user, potentially leading to data theft, ransomware deployment, or persistent backdoor installation.
Likely Case
Local privilege escalation or malware execution in user context, potentially compromising sensitive project files and system resources accessible to the user.
If Mitigated
Limited impact with proper application sandboxing and user privilege restrictions, potentially only affecting isolated application data.
🎯 Exploit Status
Exploitation requires user to open malicious file; no authentication bypass needed but social engineering required.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 8.3.1 or later
Vendor Advisory: https://helpx.adobe.com/security/products/substance3d_painter/apsb23-29.html
Restart Required: Yes
Instructions:
1. Open Adobe Substance 3D Painter. 2. Go to Help > Check for Updates. 3. Follow prompts to install version 8.3.1 or later. 4. Restart the application.
🔧 Temporary Workarounds
Restrict file opening
allConfigure application to only open trusted files from known sources
Run with reduced privileges
allRun Adobe Substance 3D Painter with limited user permissions to reduce impact
🧯 If You Can't Patch
- Implement application whitelisting to prevent execution of malicious payloads
- Educate users to never open untrusted .spp files or other project formats
🔍 How to Verify
Check if Vulnerable:
Check Adobe Substance 3D Painter version in Help > AboutCheck Version:
Not applicable - check via application GUIVerify Fix Applied:
Verify version is 8.3.1 or higher in Help > About📡 Detection & Monitoring
Log Indicators:
- Application crashes when opening files
- Unusual process spawning from Substance 3D Painter
Network Indicators:
- Unexpected outbound connections after opening project files
SIEM Query:
Process creation where parent_process contains 'painter' AND (process contains 'cmd' OR process contains 'powershell' OR process contains 'bash')