CVE-2023-26333
📋 TL;DR
Adobe Dimension versions 3.4.7 and earlier contain an out-of-bounds read vulnerability when parsing malicious files. An attacker can exploit this to execute arbitrary code with the privileges of the current user. Users who open untrusted Adobe Dimension files are affected.
💻 Affected Systems
- Adobe Dimension
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise via remote code execution with user privileges, potentially leading to data theft, ransomware deployment, or lateral movement.
Likely Case
Local privilege escalation or arbitrary code execution within the user context, enabling data access, persistence mechanisms, or credential harvesting.
If Mitigated
Limited impact with proper patching and user awareness, potentially just application crashes or denial of service.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file). No public exploit code available as of advisory publication.
🛠️ 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 Creative Cloud application. 2. Navigate to 'Apps' section. 3. Find Adobe Dimension and click 'Update'. 4. Restart Adobe Dimension after update completes.
🔧 Temporary Workarounds
Disable automatic file opening
allConfigure Adobe Dimension to not automatically open files from untrusted sources.
User awareness training
allTrain users to only open Adobe Dimension files from trusted sources.
🧯 If You Can't Patch
- Restrict user permissions to limit impact of code execution
- Implement application whitelisting to prevent unauthorized Adobe Dimension execution
🔍 How to Verify
Check if Vulnerable:
Check Adobe Dimension version in Help > About Adobe Dimension. If version is 3.4.7 or earlier, system is vulnerable.Check Version:
On Windows: Check registry at HKEY_LOCAL_MACHINE\SOFTWARE\Adobe\Dimension\3.0\Version. On macOS: Check /Applications/Adobe Dimension.app/Contents/Info.plist for CFBundleShortVersionString.Verify Fix Applied:
Verify Adobe Dimension version is 3.4.8 or later in Help > About Adobe Dimension.📡 Detection & Monitoring
Log Indicators:
- Adobe Dimension crash logs with memory access violations
- Unexpected process creation from Adobe Dimension
Network Indicators:
- Unusual outbound connections from Adobe Dimension process
SIEM Query:
Process creation where parent process contains 'Dimension' AND (command line contains suspicious patterns OR destination IP is external)