CVE-2020-24424
📋 TL;DR
CVE-2020-24424 is a DLL hijacking vulnerability in Adobe Premiere Pro that allows attackers to execute arbitrary code by tricking users into opening malicious files. This affects users running Premiere Pro version 14.4 or earlier. Successful exploitation requires user interaction but runs with the current user's privileges.
💻 Affected Systems
- Adobe Premiere Pro
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise through arbitrary code execution, potentially leading to data theft, ransomware deployment, or persistent backdoor installation.
Likely Case
Malware installation or data exfiltration when users open malicious project files from untrusted sources.
If Mitigated
Limited impact if users only open files from trusted sources and have proper endpoint protection.
🎯 Exploit Status
Exploitation requires user interaction but is technically simple once malicious file is opened.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 14.5 or later
Vendor Advisory: https://helpx.adobe.com/security/products/premiere_pro/apsb20-64.html
Restart Required: Yes
Instructions:
1. Open Adobe Creative Cloud application. 2. Navigate to 'Apps' tab. 3. Find Premiere Pro and click 'Update'. 4. Restart Premiere Pro after update completes.
🔧 Temporary Workarounds
Restrict file opening
allOnly open Premiere Pro project files from trusted sources. Implement file extension filtering.
Application control
windowsUse Windows AppLocker or similar to restrict Premiere Pro from loading DLLs from untrusted locations.
🧯 If You Can't Patch
- Implement strict user training about opening files only from trusted sources
- Deploy endpoint protection with behavior monitoring to detect suspicious DLL loading
🔍 How to Verify
Check if Vulnerable:
Check Premiere Pro version: Help > About Premiere Pro. If version is 14.4 or earlier, system is vulnerable.Check Version:
On Windows: Check registry HKEY_LOCAL_MACHINE\SOFTWARE\Adobe\Premiere Pro\14.0\Version. On macOS: Check /Applications/Adobe Premiere Pro 2020/Adobe Premiere Pro 2020.app/Contents/Info.plistVerify Fix Applied:
Verify version is 14.5 or later in Help > About Premiere Pro.📡 Detection & Monitoring
Log Indicators:
- Premiere Pro loading DLLs from unusual locations
- Process creation from Premiere Pro with suspicious parent-child relationships
Network Indicators:
- Unexpected outbound connections from Premiere Pro process
SIEM Query:
process_name:"Adobe Premiere Pro.exe" AND (event_type:"process_creation" OR file_path:"*.dll")