CVE-2020-3712
📋 TL;DR
This memory corruption vulnerability in Adobe Illustrator CC allows attackers to execute arbitrary code on affected systems. Users running Illustrator CC versions 24.0 and earlier are vulnerable when opening maliciously crafted files. Successful exploitation gives attackers the same privileges as the current user.
💻 Affected Systems
- Adobe Illustrator CC
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with attacker gaining full control of the workstation, enabling data theft, lateral movement, and persistence.
Likely Case
Local privilege escalation leading to malware installation, data exfiltration, or ransomware deployment on individual workstations.
If Mitigated
Limited impact with proper application sandboxing and user privilege restrictions, potentially containing damage to the Illustrator process.
🎯 Exploit Status
Exploitation requires user interaction (opening a malicious file). No public exploit code was available at disclosure.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 24.0.1 and later
Vendor Advisory: https://helpx.adobe.com/security/products/illustrator/apsb20-03.html
Restart Required: Yes
Instructions:
1. Open Adobe Creative Cloud application. 2. Navigate to 'Apps' tab. 3. Find Adobe Illustrator and click 'Update'. 4. Alternatively, download the update directly from Adobe's website. 5. Restart Illustrator after installation.
🔧 Temporary Workarounds
Disable Illustrator file opening
allTemporarily prevent Illustrator from opening files by modifying file associations or using application control software.
Enhanced file validation
allImplement strict file validation policies and only open Illustrator files from trusted sources.
🧯 If You Can't Patch
- Implement application whitelisting to block Illustrator execution entirely
- Deploy endpoint detection and response (EDR) to monitor for suspicious Illustrator process behavior
🔍 How to Verify
Check if Vulnerable:
Check Illustrator version via Help > About Illustrator. If version is 24.0 or earlier, the system is vulnerable.Check Version:
On Windows: Check registry at HKEY_LOCAL_MACHINE\SOFTWARE\Adobe\Illustrator\24.0\InstallPath. On macOS: Check /Applications/Adobe Illustrator CC 2020/Adobe Illustrator.app/Contents/Info.plistVerify Fix Applied:
Verify Illustrator version is 24.0.1 or later after applying the update.📡 Detection & Monitoring
Log Indicators:
- Illustrator crash logs with memory access violations
- Unexpected child processes spawned from Illustrator.exe
Network Indicators:
- Outbound connections from Illustrator process to suspicious IPs
- DNS queries for command and control domains
SIEM Query:
process_name:"Illustrator.exe" AND (event_id:1000 OR event_id:1001) OR parent_process:"Illustrator.exe" AND process_creation