CVE-2023-25903

7.8 HIGH

📋 TL;DR

Adobe Dimension versions 3.4.7 and earlier contain an integer overflow vulnerability that could allow arbitrary code execution when a user opens a malicious file. This affects all users running vulnerable versions of Adobe Dimension. Attackers could exploit this to run code with the victim's user privileges.

💻 Affected Systems

Products:
  • Adobe Dimension
Versions: 3.4.7 and earlier
Operating Systems: Windows, macOS
Default Config Vulnerable: ⚠️ Yes
Notes: All installations of affected versions are vulnerable by default.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete system compromise via arbitrary code execution leading to data theft, ransomware deployment, or persistent backdoor installation.

🟠

Likely Case

Local privilege escalation leading to user account compromise, data exfiltration, or malware installation.

🟢

If Mitigated

No impact if patched version is installed or if users avoid opening untrusted files.

🌐 Internet-Facing: LOW - Exploitation requires user interaction with malicious files, not direct network exposure.
🏢 Internal Only: MEDIUM - Internal users could be targeted via phishing or shared malicious files.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation requires user interaction (opening malicious file) and knowledge of the integer overflow trigger.

🛠️ 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.

🔧 Temporary Workarounds

Restrict file opening

all

Configure system to only allow opening Adobe Dimension files from trusted sources.

Application control

all

Use application whitelisting to prevent execution of unauthorized code.

🧯 If You Can't Patch

  • Disable Adobe Dimension until patched and use alternative software
  • Implement strict file validation policies and user training about opening untrusted files

🔍 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:

  • Unexpected process creation from Adobe Dimension
  • Memory access violations in application logs
  • File open events for suspicious .dim files

Network Indicators:

  • Outbound connections from Adobe Dimension to unknown IPs
  • DNS requests for suspicious domains after file open

SIEM Query:

process_name:"Adobe Dimension.exe" AND (event_type:"process_creation" OR event_type:"file_open") AND file_path:*.dim

🔗 References

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