CVE-2025-21133
📋 TL;DR
Adobe Illustrator on iPad versions 3.0.7 and earlier contain an integer underflow vulnerability that could allow arbitrary code execution when a user opens a malicious file. This affects iPad users running vulnerable versions of Illustrator, requiring user interaction to trigger the exploit.
💻 Affected Systems
- Adobe Illustrator for iPad
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with attacker gaining full control of the iPad in the context of the logged-in user, potentially leading to data theft, ransomware deployment, or persistent backdoor installation.
Likely Case
Local privilege escalation leading to unauthorized access to sensitive files, applications, and user data stored on the device.
If Mitigated
No impact if users avoid opening untrusted files and keep software updated.
🎯 Exploit Status
Exploitation requires crafting a malicious file and convincing the user to open it. No public exploits are known at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.0.8 or later
Vendor Advisory: https://helpx.adobe.com/security/products/illustrator-mobile-ios/apsb25-04.html
Restart Required: No
Instructions:
1. Open the App Store on your iPad. 2. Tap your profile icon. 3. Scroll to find Adobe Illustrator. 4. Tap 'Update' if available. 5. Alternatively, open Illustrator and check for in-app updates.
🔧 Temporary Workarounds
Avoid opening untrusted files
allDo not open Illustrator files from unknown or untrusted sources, including email attachments and downloads.
🧯 If You Can't Patch
- Restrict Illustrator usage to trusted files only through policy or user training.
- Implement application whitelisting to prevent execution of malicious payloads if exploitation occurs.
🔍 How to Verify
Check if Vulnerable:
Open Illustrator on iPad, go to Settings > About, and check if version is 3.0.7 or earlier.Check Version:
Not applicable - check via app interface on iPad.Verify Fix Applied:
Confirm Illustrator version is 3.0.8 or later in Settings > About.📡 Detection & Monitoring
Log Indicators:
- Unusual Illustrator crash logs
- File access from unexpected sources
Network Indicators:
- None - exploitation is local file-based
SIEM Query:
Not applicable due to local file-based nature; monitor for Illustrator crashes or suspicious file opens.