CVE-2023-26354
📋 TL;DR
CVE-2023-26354 is an out-of-bounds read vulnerability in Adobe Dimension that could allow an attacker to read sensitive memory information. This affects users of Adobe Dimension 3.4.7 and earlier versions who open malicious files. The vulnerability could help bypass security mitigations like ASLR.
💻 Affected Systems
- Adobe Dimension
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
An attacker could bypass ASLR protections and potentially chain this with other vulnerabilities to achieve arbitrary code execution or sensitive information disclosure.
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 information disclosure if proper file handling controls and user awareness are in place.
🎯 Exploit Status
Exploitation requires user to open a malicious file. No public exploit code available as per advisory.
🛠️ 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 open .dim files only with patched Adobe Dimension version
User awareness training
allTrain users not to open untrusted .dim files from unknown sources
🧯 If You Can't Patch
- Disable Adobe Dimension or restrict its use to trusted environments only
- Implement application whitelisting to prevent execution of unpatched versions
🔍 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\Version. On macOS: Check /Applications/Adobe Dimension.app/Contents/Info.plist for CFBundleShortVersionStringVerify Fix Applied:
Verify Adobe Dimension version is 3.4.8 or later in Help > About Adobe Dimension.📡 Detection & Monitoring
Log Indicators:
- Application crashes with memory access violations
- Unexpected file opens of .dim extension
Network Indicators:
- Downloads of .dim files from untrusted sources
SIEM Query:
source="*" (event_id=1000 OR event_id=1001) AND process_name="Adobe Dimension.exe" AND exception_code=0xc0000005