CVE-2024-20787
📋 TL;DR
CVE-2024-20787 is an out-of-bounds read vulnerability in Substance3D Painter that could allow an attacker to read sensitive memory contents when a user opens a malicious file. This could potentially bypass security mitigations like ASLR. Users of Substance3D Painter versions 10.0.1 and earlier are affected.
💻 Affected Systems
- Adobe Substance3D Painter
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
An attacker could read sensitive memory contents, potentially obtaining credentials, encryption keys, or other sensitive data, and bypass ASLR to enable further exploitation.
Likely Case
Limited information disclosure from memory, potentially revealing some application data but unlikely to lead to full system compromise without additional vulnerabilities.
If Mitigated
With proper controls, the impact is limited to potential information disclosure from the application's memory space only.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file) and knowledge of memory layout. No public exploits known at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 10.0.2 or later
Vendor Advisory: https://helpx.adobe.com/security/products/substance3d_painter/apsb24-52.html
Restart Required: Yes
Instructions:
1. Open Substance3D Painter. 2. Go to Help > Check for Updates. 3. Install available updates. 4. Restart the application.
🔧 Temporary Workarounds
Restrict file opening
allOnly open Substance3D Painter files from trusted sources
Application sandboxing
allRun Substance3D Painter in a sandboxed environment to limit potential impact
🧯 If You Can't Patch
- Restrict user permissions to only trusted users who need Substance3D Painter
- Implement application whitelisting to prevent execution of unauthorized files
🔍 How to Verify
Check if Vulnerable:
Check Substance3D Painter version in Help > About. If version is 10.0.1 or earlier, you are vulnerable.Check Version:
Not applicable - check via application GUI Help > AboutVerify Fix Applied:
Verify version is 10.0.2 or later in Help > About after updating.📡 Detection & Monitoring
Log Indicators:
- Application crashes with memory access violations
- Unexpected file opening events in application logs
Network Indicators:
- No network indicators - exploitation is local file-based
SIEM Query:
EventID for application crashes or file access from Substance3D Painter process