CVE-2024-30307
📋 TL;DR
Substance3D Painter versions 9.1.2 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. The vulnerability requires user interaction but could lead to full system compromise.
💻 Affected Systems
- Adobe Substance 3D Painter
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with attacker gaining full control of the user's computer, data theft, ransomware deployment, or lateral movement within networks.
Likely Case
Malware installation, data exfiltration, or system disruption when users open specially crafted malicious files.
If Mitigated
Limited impact if users only open trusted files from verified sources and have endpoint protection.
🎯 Exploit Status
Exploitation requires user to open a malicious file; no authentication bypass needed beyond file opening.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 9.1.3 or later
Vendor Advisory: https://helpx.adobe.com/security/products/substance3d_painter/apsb24-31.html
Restart Required: Yes
Instructions:
1. Open Substance 3D Painter. 2. Go to Help > Check for Updates. 3. Install version 9.1.3 or later. 4. Restart the application.
🔧 Temporary Workarounds
Restrict file sources
allOnly open Substance 3D Painter files from trusted, verified sources
Use application sandboxing
allRun Substance 3D Painter in a sandboxed environment to limit potential damage
🧯 If You Can't Patch
- Implement strict file validation policies to block untrusted Substance 3D Painter files
- Deploy endpoint detection and response (EDR) solutions to monitor for suspicious file execution
🔍 How to Verify
Check if Vulnerable:
Check Help > About in Substance 3D Painter; if version is 9.1.2 or earlier, you are vulnerable.
Check Version:
In Substance 3D Painter: Help > About
Verify Fix Applied:
Verify version is 9.1.3 or later in Help > About and test opening known safe files.
📡 Detection & Monitoring
Log Indicators:
- Application crashes with memory access violations
- Unexpected file processing errors
Network Indicators:
- Unusual outbound connections after file opening
- File downloads from untrusted sources
SIEM Query:
Process:substance3d-painter.exe AND (EventID:1000 OR EventID:1001) AND MemoryAccessViolation