CVE-2023-25877
📋 TL;DR
Adobe Substance 3D Stager versions 2.0.0 and earlier contain an out-of-bounds read vulnerability that could allow an attacker to read sensitive memory information, potentially bypassing ASLR protections. Users who open malicious files with affected versions are vulnerable to this attack.
💻 Affected Systems
- Adobe Substance 3D Stager
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
An attacker could bypass ASLR and combine this vulnerability with other exploits to achieve remote code execution or extract sensitive application data.
Likely Case
Information disclosure of memory contents, potentially revealing pointers or other data that could aid in further exploitation.
If Mitigated
Limited information disclosure with no direct code execution if proper file handling controls are in place.
🎯 Exploit Status
Requires user interaction (opening malicious file) and additional exploitation steps to achieve meaningful impact beyond information disclosure.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.0.1 or later
Vendor Advisory: https://helpx.adobe.com/security/products/substance3d_stager/apsb23-22.html
Restart Required: Yes
Instructions:
1. Open Adobe Substance 3D Stager. 2. Go to Help > Check for Updates. 3. Install available updates. 4. Restart the application.
🔧 Temporary Workarounds
Restrict file handling
allOnly open Substance 3D Stager files from trusted sources and avoid opening unknown files.
🧯 If You Can't Patch
- Implement application whitelisting to prevent execution of unauthorized files
- Use email/web filtering to block potentially malicious attachments
🔍 How to Verify
Check if Vulnerable:
Check Adobe Substance 3D Stager version in Help > About. If version is 2.0.0 or earlier, system is vulnerable.Check Version:
Not applicable - check via application GUIVerify Fix Applied:
Verify version is 2.0.1 or later in Help > About.📡 Detection & Monitoring
Log Indicators:
- Application crashes when opening files
- Unusual file access patterns
Network Indicators:
- Downloads of suspicious files from untrusted sources
SIEM Query:
EventID=1000 OR EventID=1001 where Source contains 'Substance 3D Stager'