CVE-2023-25891
📋 TL;DR
Adobe Dimension versions 3.4.7 and earlier contain an out-of-bounds read vulnerability when parsing malicious files. An attacker could exploit this to execute arbitrary code with the privileges of the current user. This affects users who open untrusted files in vulnerable Adobe Dimension installations.
💻 Affected Systems
- Adobe Dimension
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise via arbitrary code execution with user privileges, potentially leading to data theft, ransomware deployment, or lateral movement.
Likely Case
Limited impact due to requirement for user interaction (opening malicious file), but could still result in malware installation or data exfiltration.
If Mitigated
No impact if users avoid opening untrusted files or if software is patched.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file) and bypassing memory protections.
🛠️ 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 computer after installation completes.
🔧 Temporary Workarounds
Restrict file opening
allConfigure system to prevent opening untrusted .dim files or restrict Adobe Dimension execution.
🧯 If You Can't Patch
- Implement application whitelisting to block Adobe Dimension execution.
- Educate users to never open untrusted .dim files from unknown sources.
🔍 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:
- Application crashes of Adobe Dimension
- Unusual file access patterns from Adobe Dimension process
Network Indicators:
- Outbound connections from Adobe Dimension to suspicious domains
SIEM Query:
process_name:"Adobe Dimension" AND (event_type:"process_crash" OR file_path:"*.dim")