CVE-2022-27784
📋 TL;DR
CVE-2022-27784 is a stack overflow vulnerability in Adobe After Effects that allows arbitrary code execution when a user opens a maliciously crafted file. Attackers can exploit this to run code with the victim's user privileges. Users running affected versions of Adobe After Effects are at risk.
💻 Affected Systems
- Adobe After Effects
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise through arbitrary code execution, leading to data theft, ransomware deployment, or persistent backdoor installation.
Likely Case
Local privilege escalation leading to user account compromise, data exfiltration, or malware installation.
If Mitigated
Limited impact with proper patching and user awareness preventing malicious file execution.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file). No public exploit code available at disclosure.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: After Effects 22.3 and 18.4.6
Vendor Advisory: https://helpx.adobe.com/security/products/after_effects/apsb22-19.html
Restart Required: Yes
Instructions:
1. Open Adobe Creative Cloud application. 2. Navigate to 'Apps' section. 3. Find Adobe After Effects and click 'Update'. 4. Restart After Effects after update completes.
🔧 Temporary Workarounds
Disable file opening from untrusted sources
allPrevent users from opening After Effects files from unknown or untrusted sources.
Application control restrictions
windowsUse application whitelisting to restrict execution of After Effects to trusted locations only.
🧯 If You Can't Patch
- Implement strict file handling policies to prevent opening untrusted After Effects files.
- Use endpoint detection and response (EDR) solutions to monitor for suspicious process execution from After Effects.
🔍 How to Verify
Check if Vulnerable:
Check After Effects version via Help > About After Effects. If version is 22.2.1 or earlier, or 18.4.5 or earlier, system is vulnerable.Check Version:
On Windows: Check version in Help > About After Effects. On macOS: Check version in After Effects > About After Effects.Verify Fix Applied:
Verify After Effects version is 22.3 or later, or 18.4.6 or later after patching.📡 Detection & Monitoring
Log Indicators:
- Unexpected process crashes of After Effects
- Suspicious child processes spawned from After Effects
Network Indicators:
- Unusual outbound connections from After Effects process
SIEM Query:
Process creation where parent process is 'AfterFX.exe' or 'Adobe After Effects' with suspicious command line arguments