CVE-2024-47427
📋 TL;DR
CVE-2024-47427 is an out-of-bounds write vulnerability in Adobe Substance3D Painter that could allow arbitrary code execution when a user opens a malicious file. This affects users of Substance3D Painter versions 10.1.0 and earlier, requiring user interaction through file opening to trigger exploitation.
💻 Affected Systems
- Adobe Substance3D Painter
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with attacker gaining full control of the victim's computer in the context of the current user, potentially leading to data theft, ransomware deployment, or lateral movement.
Likely Case
Malicious actor tricks user into opening a specially crafted Substance3D Painter file, leading to malware installation or credential theft.
If Mitigated
With proper security controls like application whitelisting and least privilege, impact is limited to the application crashing or isolated user context compromise.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file) and knowledge of file format manipulation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 10.2.0 or later
Vendor Advisory: https://helpx.adobe.com/security/products/substance3d_painter/apsb24-86.html
Restart Required: Yes
Instructions:
1. Open Adobe Substance3D Painter. 2. Go to Help > Check for Updates. 3. Install version 10.2.0 or later. 4. Restart the application.
🔧 Temporary Workarounds
Restrict file opening
allOnly open Substance3D Painter files from trusted sources and implement file extension filtering.
Run with reduced privileges
allRun Substance3D Painter with standard user privileges instead of administrative rights.
🧯 If You Can't Patch
- Disable Substance3D Painter until patched and use alternative software for 3D painting tasks.
- Implement application control policies to block execution of malicious payloads that might result from exploitation.
🔍 How to Verify
Check if Vulnerable:
Check Substance3D Painter version in Help > About. If version is 10.1.0 or earlier, the system is vulnerable.Check Version:
Not applicable - check via application GUI Help > About menuVerify Fix Applied:
Verify version is 10.2.0 or later in Help > About after updating.📡 Detection & Monitoring
Log Indicators:
- Application crashes with memory access violations
- Unexpected child processes spawned from Substance3D Painter
Network Indicators:
- Unusual outbound connections from Substance3D Painter process
SIEM Query:
Process creation where parent process contains 'substance' AND (command line contains suspicious patterns OR destination IP is known malicious)