CVE-2024-30307

7.8 HIGH

📋 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

Products:
  • Adobe Substance 3D Painter
Versions: 9.1.2 and earlier
Operating Systems: Windows, macOS, Linux
Default Config Vulnerable: ⚠️ Yes
Notes: All installations of affected versions are vulnerable by default when processing files.

📦 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.

🌐 Internet-Facing: LOW - Exploitation requires user interaction with malicious files, not direct network access.
🏢 Internal Only: MEDIUM - Internal users could be targeted via phishing or shared malicious files.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

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

all

Only open Substance 3D Painter files from trusted, verified sources

Use application sandboxing

all

Run 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

🔗 References

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