CVE-2024-30273

7.8 HIGH

📋 TL;DR

A stack-based buffer overflow vulnerability in Adobe Illustrator allows arbitrary code execution when a user opens a malicious file. This affects users running vulnerable versions of Illustrator, potentially compromising their systems. Attackers can exploit this to run code with the victim's user privileges.

💻 Affected Systems

Products:
  • Adobe Illustrator
Versions: 28.3, 27.9.2 and earlier
Operating Systems: Windows, macOS
Default Config Vulnerable: ⚠️ Yes
Notes: All default installations of affected versions are vulnerable. Requires user interaction to open a malicious file.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Full system compromise with attacker gaining control of the user's machine, data theft, ransomware deployment, or lateral movement within the network.

🟠

Likely Case

Local privilege escalation leading to malware installation, data exfiltration, or persistence mechanisms on the affected workstation.

🟢

If Mitigated

Limited impact due to application sandboxing, user awareness preventing malicious file opens, or network segmentation containing the threat.

🌐 Internet-Facing: LOW
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation requires user interaction (opening a malicious file). No public exploit code is currently available.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Update to Illustrator 28.4 or later

Vendor Advisory: https://helpx.adobe.com/security/products/illustrator/apsb24-25.html

Restart Required: Yes

Instructions:

1. Open Adobe Illustrator. 2. Go to Help > Updates. 3. Follow prompts to install the latest version. 4. Restart Illustrator after installation.

🔧 Temporary Workarounds

Disable Illustrator file associations

windows

Prevent automatic opening of Illustrator files by changing default file associations.

Use application allowlisting

all

Restrict execution of Illustrator to trusted directories only.

🧯 If You Can't Patch

  • Implement strict email filtering to block malicious Illustrator files.
  • Educate users to never open Illustrator files from untrusted sources.

🔍 How to Verify

Check if Vulnerable:

Check Illustrator version via Help > About Illustrator. If version is 28.3, 27.9.2 or earlier, it is vulnerable.

Check Version:

On Windows: Check Illustrator version in Help > About. On macOS: Illustrator > About Illustrator.

Verify Fix Applied:

Verify Illustrator version is 28.4 or later after updating.

📡 Detection & Monitoring

Log Indicators:

  • Unusual Illustrator process crashes
  • Suspicious file opens from untrusted locations

Network Indicators:

  • Outbound connections from Illustrator to unknown IPs post-file open

SIEM Query:

process_name:"Illustrator.exe" AND (event_id:1000 OR event_id:1001) OR file_path:"*.ai" AND user_interaction:true

🔗 References

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