CVE-2022-30646
📋 TL;DR
This CVE describes an out-of-bounds write vulnerability in Adobe Illustrator that could allow arbitrary code execution when a user opens a malicious file. Attackers could gain control of the affected system with the same privileges as the current user. Users of Adobe Illustrator versions 26.0.2 and earlier, and 25.4.5 and earlier are affected.
💻 Affected Systems
- Adobe Illustrator
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with attacker gaining full control of the victim's computer, potentially leading to data theft, ransomware deployment, or lateral movement within the network.
Likely Case
Local privilege escalation leading to malware installation, data exfiltration, or persistence mechanisms being established on the compromised system.
If Mitigated
Limited impact if proper application sandboxing, least privilege principles, and file validation controls are in place, potentially containing the exploit to the Illustrator process.
🎯 Exploit Status
Exploitation requires user interaction (opening a malicious file). The vulnerability is in the core application code, making exploitation feasible but requiring social engineering or file sharing mechanisms.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Illustrator 26.0.3 and 25.4.6
Vendor Advisory: https://helpx.adobe.com/security/products/illustrator/apsb22-26.html
Restart Required: Yes
Instructions:
1. Open Adobe Illustrator. 2. Go to Help > Updates. 3. Follow prompts to install available updates. 4. Alternatively, download and install the latest version from Adobe's website. 5. Restart Illustrator after installation.
🔧 Temporary Workarounds
Restrict file types
allConfigure system or email filters to block .ai files from untrusted sources
Application sandboxing
allRun Illustrator in a sandboxed environment to limit potential damage
🧯 If You Can't Patch
- Implement strict file validation policies to prevent opening untrusted .ai files
- Use application control solutions to restrict Illustrator's network and system access
🔍 How to Verify
Check if Vulnerable:
Check Illustrator version via Help > About Illustrator. If version is 26.0.2 or earlier, or 25.4.5 or earlier, the system is vulnerable.Check Version:
On Windows: Check via Illustrator Help menu. On macOS: Illustrator > About IllustratorVerify Fix Applied:
Verify version is 26.0.3 or later, or 25.4.6 or later after applying updates.📡 Detection & Monitoring
Log Indicators:
- Unexpected Illustrator crashes
- Suspicious file opens in Illustrator logs
- Unusual process spawning from Illustrator
Network Indicators:
- Unexpected outbound connections from Illustrator process
- File downloads followed by Illustrator execution
SIEM Query:
process_name:"Illustrator.exe" AND (event_id:1 OR event_id:4688) AND parent_process_name NOT IN ("explorer.exe", "adobeupdater.exe")