CVE-2023-26356
📋 TL;DR
Adobe Dimension versions 3.4.7 and earlier contain an out-of-bounds read vulnerability that could allow attackers to read sensitive memory contents. This could help bypass security mitigations like ASLR, potentially aiding further exploitation. Users who open malicious files with affected Adobe Dimension versions are at risk.
💻 Affected Systems
- Adobe Dimension
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
An attacker could leverage the memory disclosure to bypass ASLR and chain with other vulnerabilities for arbitrary code execution or system compromise.
Likely Case
Information disclosure leading to memory address leaks that could assist in developing more sophisticated attacks against the system.
If Mitigated
Limited impact with only memory address disclosure if proper file handling controls and patching are implemented.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file) and additional vulnerabilities would be needed for full compromise.
🛠️ 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 Adobe Dimension after installation.
🔧 Temporary Workarounds
Restrict file handling
allConfigure system to open .dim files only with patched Adobe Dimension or alternative software
User awareness training
allTrain users not to open untrusted .dim files from unknown sources
🧯 If You Can't Patch
- Restrict user permissions to prevent execution of Adobe Dimension
- Implement application whitelisting to block Adobe Dimension execution
🔍 How to Verify
Check if Vulnerable:
Check Adobe Dimension version in Help > About Adobe DimensionCheck Version:
On Windows: Check registry at HKEY_LOCAL_MACHINE\SOFTWARE\Adobe\Dimension\Version. On macOS: Check /Applications/Adobe Dimension.app/Contents/Info.plistVerify Fix Applied:
Verify version is 3.4.8 or later in Help > About Adobe Dimension📡 Detection & Monitoring
Log Indicators:
- Application crashes of Adobe Dimension
- Unexpected file opens of .dim extension
Network Indicators:
- Downloads of .dim files from untrusted sources
SIEM Query:
process_name="Adobe Dimension" AND (event_type="crash" OR file_extension=".dim")