CVE-2025-54205

5.5 MEDIUM

📋 TL;DR

Substance3D Sampler versions 5.0.3 and earlier contain an out-of-bounds read vulnerability that could allow attackers to read sensitive memory contents. This affects users who open malicious files with the vulnerable software. The vulnerability requires user interaction to exploit.

💻 Affected Systems

Products:
  • Adobe Substance3D Sampler
Versions: 5.0.3 and earlier
Operating Systems: Windows, macOS
Default Config Vulnerable: ⚠️ Yes
Notes: All installations of affected versions are vulnerable by default

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Disclosure of sensitive memory contents including credentials, encryption keys, or other application data stored in memory

🟠

Likely Case

Limited information disclosure from application memory, potentially revealing file paths, temporary data, or partial memory contents

🟢

If Mitigated

No impact if users don't open untrusted files or if software is patched

🌐 Internet-Facing: LOW - Requires local file access and user interaction
🏢 Internal Only: MEDIUM - Internal users could be tricked into opening malicious files via email or shared drives

🎯 Exploit Status

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

Requires user to open a malicious file; exploitation requires crafting a specific file format

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 5.0.4 or later

Vendor Advisory: https://helpx.adobe.com/security/products/substance3d-sampler/apsb25-78.html

Restart Required: No

Instructions:

1. Open Adobe Creative Cloud application 2. Navigate to 'Apps' section 3. Find Substance3D Sampler 4. Click 'Update' if available 5. Alternatively, download latest version from Adobe website

🔧 Temporary Workarounds

Restrict file opening

all

Only open trusted files from verified sources

Application control

all

Use application whitelisting to prevent execution of untrusted files

🧯 If You Can't Patch

  • Implement user training to avoid opening untrusted files
  • Use file integrity monitoring to detect suspicious file modifications

🔍 How to Verify

Check if Vulnerable:

Check Substance3D Sampler version in application or via Creative Cloud app

Check Version:

Open Substance3D Sampler and check 'About' menu or check in Adobe Creative Cloud app

Verify Fix Applied:

Confirm version is 5.0.4 or later

📡 Detection & Monitoring

Log Indicators:

  • Application crashes when opening files
  • Unusual file access patterns

Network Indicators:

  • None - local file exploitation only

SIEM Query:

EventID for application crashes or file access from Substance3D Sampler

🔗 References

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