CVE-2023-48634
📋 TL;DR
Adobe After Effects has an improper input validation vulnerability that allows arbitrary code execution when a user opens a malicious file. This affects users running vulnerable versions of Adobe After Effects on any operating system. The attacker needs to trick the user into opening a specially crafted file.
💻 Affected Systems
- Adobe After Effects
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with attacker gaining the same privileges as the current user, potentially leading to data theft, ransomware deployment, or persistent backdoor installation.
Likely Case
Local privilege escalation leading to malware installation, credential theft, or data exfiltration from the affected system.
If Mitigated
No impact if users don't open untrusted files or if proper application whitelisting and file validation controls are in place.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file) but the vulnerability itself has low complexity once the file is opened.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Update to After Effects 24.1 or 23.6.1
Vendor Advisory: https://helpx.adobe.com/security/products/after_effects/apsb23-75.html
Restart Required: Yes
Instructions:
1. Open Adobe Creative Cloud application. 2. Navigate to 'Apps' section. 3. Find Adobe After Effects. 4. Click 'Update' button. 5. Restart computer after installation completes.
🔧 Temporary Workarounds
Restrict file opening
allConfigure system to prevent opening of untrusted After Effects project files
Application control
allUse application whitelisting to restrict execution of After Effects to trusted locations only
🧯 If You Can't Patch
- Implement strict file validation policies to block opening of untrusted After Effects files
- Use endpoint protection with behavior monitoring to detect and block suspicious file execution patterns
🔍 How to Verify
Check if Vulnerable:
Check After Effects version via Help > About After Effects menuCheck Version:
On Windows: Check program version in Control Panel > Programs. On macOS: Right-click After Effects app > Get InfoVerify Fix Applied:
Verify version is 24.1 or higher, or 23.6.1 or higher📡 Detection & Monitoring
Log Indicators:
- Unexpected After Effects crashes
- Suspicious file opening events in application logs
- Unusual process spawning from After Effects
Network Indicators:
- Outbound connections from After Effects to unknown IPs
- DNS requests for suspicious domains after file opening
SIEM Query:
process_name:"AfterFX.exe" AND (event_type:"process_creation" OR event_type:"file_access") AND file_extension:".aep"