CVE-2024-43759
📋 TL;DR
Adobe Illustrator versions 28.6, 27.9.5 and earlier contain a NULL pointer dereference vulnerability that allows attackers to crash the application by tricking users into opening malicious files. This affects all users running vulnerable Illustrator versions, requiring user interaction through file opening to trigger the exploit.
💻 Affected Systems
- Adobe Illustrator
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete application crash leading to denial-of-service, potential data loss if unsaved work is open, and disruption of creative workflows.
Likely Case
Application crash when opening specifically crafted malicious files, requiring restart of Illustrator and potential loss of unsaved work.
If Mitigated
No impact if users avoid opening untrusted files or have patched versions installed.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file). No authentication required beyond file access.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Update to Illustrator 28.7 or later, or 27.9.6 or later for version 27.x
Vendor Advisory: https://helpx.adobe.com/security/products/illustrator/apsb24-66.html
Restart Required: Yes
Instructions:
1. Open Adobe Creative Cloud application. 2. Navigate to 'Apps' tab. 3. Find Adobe Illustrator. 4. Click 'Update' button. 5. Wait for download and installation. 6. Restart Illustrator.
🔧 Temporary Workarounds
Restrict file opening
allOnly open Illustrator files from trusted sources. Implement file type restrictions.
Application sandboxing
allRun Illustrator in sandboxed environment to limit impact of crashes.
🧯 If You Can't Patch
- Implement strict file opening policies - only open files from verified trusted sources
- Use application whitelisting to prevent unauthorized Illustrator execution
- Enable frequent auto-save features to minimize data loss from crashes
- Educate users about risks of opening untrusted Illustrator files
🔍 How to Verify
Check if Vulnerable:
Check Illustrator version via Help > About Illustrator. If version is 28.6 or earlier, or 27.9.5 or earlier, system is vulnerable.Check Version:
On Windows: Check via Illustrator Help > About. On macOS: Illustrator > About IllustratorVerify Fix Applied:
Verify Illustrator version is 28.7 or later, or 27.9.6 or later for version 27.x after updating.📡 Detection & Monitoring
Log Indicators:
- Application crash logs from Illustrator
- Unexpected termination events
- Error logs mentioning NULL pointer or access violation
Network Indicators:
- None - local file-based exploit
SIEM Query:
EventID=1000 OR EventID=1001 OR 'Illustrator' AND 'crash' OR 'terminated unexpectedly'