CVE-2022-23188
📋 TL;DR
Adobe Illustrator versions 25.4.3 and earlier and 26.0.2 and earlier contain a buffer overflow vulnerability when processing malicious files. This could allow attackers to execute arbitrary code with the privileges of the current user. Exploitation requires the victim to open a specially crafted malicious file in Illustrator.
💻 Affected Systems
- Adobe Illustrator
📦 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
Local privilege escalation or malware installation on the affected workstation when a user opens a malicious file.
If Mitigated
Limited impact if user opens file in sandboxed environment or with restricted privileges.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file) and knowledge of buffer overflow techniques.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Illustrator 25.4.4 and 26.0.3
Vendor Advisory: https://helpx.adobe.com/security/products/illustrator/apsb22-07.html
Restart Required: Yes
Instructions:
1. Open Adobe Creative Cloud application. 2. Navigate to 'Apps' tab. 3. Find Illustrator and click 'Update'. 4. Restart Illustrator after update completes.
🔧 Temporary Workarounds
Disable automatic file opening
allConfigure Illustrator to not automatically open files from untrusted sources.
Use application sandboxing
allRun Illustrator in a sandboxed environment to limit potential damage from exploitation.
🧯 If You Can't Patch
- Restrict user privileges to limit impact of code execution
- Implement application whitelisting to prevent unauthorized Illustrator execution
🔍 How to Verify
Check if Vulnerable:
Check Illustrator version via Help > About Illustrator. If version is 25.4.3 or earlier, or 26.0.2 or earlier, system is vulnerable.
Check Version:
On Windows: wmic product where name="Adobe Illustrator" get version. On macOS: /Applications/Adobe\ Illustrator*/Adobe\ Illustrator.app/Contents/Info.plist | grep -A1 CFBundleShortVersionString
Verify Fix Applied:
Verify Illustrator version is 25.4.4 or later for version 25.x, or 26.0.3 or later for version 26.x.
📡 Detection & Monitoring
Log Indicators:
- Illustrator crash logs with memory access violations
- Unexpected Illustrator process spawning child processes
Network Indicators:
- Illustrator process making unexpected outbound connections after file open
SIEM Query:
process_name:"Illustrator.exe" AND (event_id:1000 OR event_id:1001) OR parent_process:"Illustrator.exe" AND process_creation