CVE-2020-24413
📋 TL;DR
Adobe Illustrator versions 24.1.2 and earlier contain a memory corruption vulnerability when parsing malicious SVG files. This could allow attackers to execute arbitrary code with the privileges of the current user. Exploitation requires user interaction, such as opening a specially crafted SVG file.
💻 Affected Systems
- Adobe Illustrator
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise through arbitrary code execution with user privileges, potentially leading to data theft, ransomware deployment, or lateral movement.
Likely Case
Malicious code execution leading to data exfiltration, credential theft, or installation of persistent malware.
If Mitigated
Limited impact due to user account restrictions, with potential data loss from the affected user's files.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file). No public exploit code available at disclosure.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 24.1.3 or later
Vendor Advisory: https://helpx.adobe.com/security/products/illustrator/apsb20-53.html
Restart Required: Yes
Instructions:
1. Open Adobe Illustrator. 2. Go to Help > Updates. 3. Install available updates. 4. Restart Illustrator. Alternatively, download and install the latest version from Adobe Creative Cloud.
🔧 Temporary Workarounds
Disable SVG file association
allPrevent Illustrator from automatically opening SVG files by changing file associations.
Windows: Control Panel > Default Programs > Associate a file type or protocol with a program
macOS: Right-click SVG file > Get Info > Open With > Change to different application
Block SVG files at perimeter
allConfigure email and web gateways to block SVG attachments and downloads.
🧯 If You Can't Patch
- Restrict user privileges to limit impact of code execution
- Implement application whitelisting to prevent unauthorized executables
🔍 How to Verify
Check if Vulnerable:
Check Illustrator version in Help > About Illustrator. If version is 24.1.2 or earlier, system is vulnerable.
Check Version:
Illustrator: Help > About Illustrator
Verify Fix Applied:
Verify Illustrator version is 24.1.3 or later in Help > About Illustrator.
📡 Detection & Monitoring
Log Indicators:
- Illustrator crash logs with SVG parsing errors
- Unexpected Illustrator processes spawning child processes
Network Indicators:
- Outbound connections from Illustrator process to unknown IPs
- DNS requests for suspicious domains from Illustrator
SIEM Query:
process_name:"Illustrator.exe" AND (event_type:process_creation OR event_type:crash)