CVE-2023-26331
📋 TL;DR
CVE-2023-26331 is an out-of-bounds read vulnerability in Adobe Dimension that could allow an attacker to read sensitive memory information. This could help bypass security mitigations like ASLR, potentially leading to further exploitation. Users of Adobe Dimension versions 3.4.7 and earlier are affected when opening malicious files.
💻 Affected Systems
- Adobe Dimension
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Memory disclosure could enable ASLR bypass, potentially leading to remote code execution or system compromise through follow-up attacks.
Likely Case
Information disclosure of memory contents, which could reveal sensitive data or facilitate more sophisticated attacks.
If Mitigated
Limited impact if proper file handling controls and user awareness are in place, preventing malicious file execution.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file) and understanding of memory layout for effective ASLR bypass.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.4.8 or later
Vendor Advisory: https://helpx.adobe.com/security/products/dimension/apsb23-20.html
Restart Required: Yes
Instructions:
1. Open Adobe Dimension. 2. Go to Help > Check for Updates. 3. Follow prompts to install version 3.4.8 or later. 4. Restart the application.
🔧 Temporary Workarounds
Restrict file handling
allConfigure system to only open trusted .dim files and block suspicious file sources
User awareness training
allTrain users to avoid opening untrusted .dim files from unknown sources
🧯 If You Can't Patch
- Implement application whitelisting to restrict execution of Adobe Dimension to trusted users only
- Deploy endpoint protection that can detect and block malicious .dim file execution
🔍 How to Verify
Check if Vulnerable:
Check Adobe Dimension version: Open Adobe Dimension, go to Help > About Adobe Dimension
Check Version:
Not applicable - check via application GUI
Verify Fix Applied:
Verify version is 3.4.8 or later in Help > About Adobe Dimension
📡 Detection & Monitoring
Log Indicators:
- Application crashes of Adobe Dimension
- Unusual file access patterns for .dim files
Network Indicators:
- Downloads of .dim files from untrusted sources
SIEM Query:
source="*adobe*" AND (event="crash" OR file_extension=".dim")