CVE-2023-26337

7.8 HIGH

📋 TL;DR

This CVE describes a stack-based buffer overflow vulnerability in Adobe Dimension that could allow arbitrary code execution when a user opens a malicious file. Attackers could exploit this to run code with the victim's privileges, potentially compromising their system. Users of Adobe Dimension versions 3.4.7 and earlier are affected.

💻 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. Exploitation requires user interaction to open a malicious file.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete system compromise with attacker gaining full control of the victim's computer, data theft, ransomware deployment, and lateral movement within networks.

🟠

Likely Case

Local privilege escalation leading to malware installation, data exfiltration, or persistence mechanisms being established on the compromised system.

🟢

If Mitigated

Limited impact with proper application sandboxing and user privilege restrictions, potentially containing the exploit to the application context.

🌐 Internet-Facing: LOW
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires user interaction (opening malicious file). No public exploit code has been disclosed as of the advisory date.

🛠️ 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 after installation.

🔧 Temporary Workarounds

Restrict file opening

all

Configure application controls to prevent opening untrusted .dim files

User awareness training

all

Train users to only open Adobe Dimension files from trusted sources

🧯 If You Can't Patch

  • Implement application whitelisting to block Adobe Dimension execution
  • Deploy endpoint detection and response (EDR) solutions to monitor for suspicious file opening behavior

🔍 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 Adobe Dimension crashes
  • Multiple failed attempts to open .dim files
  • Process creation from Adobe Dimension with unusual command lines

Network Indicators:

  • Outbound connections from Adobe Dimension to suspicious domains
  • DNS requests for known malicious domains following file opening

SIEM Query:

source="*" (process_name="Adobe Dimension" AND (event_type="process_creation" OR event_type="application_crash"))

🔗 References

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