CVE-2021-43025
📋 TL;DR
Adobe Premiere Rush versions 1.5.16 and earlier contain a memory corruption vulnerability when processing malicious SVG files. This could allow attackers to execute arbitrary code with the privileges of the current user. Users must open a malicious file to trigger the exploit.
💻 Affected Systems
- Adobe Premiere Rush
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise via arbitrary code execution with user privileges, potentially leading to data theft, ransomware deployment, or lateral movement.
Likely Case
Local privilege escalation or malware installation if user opens a crafted SVG file, potentially compromising the workstation.
If Mitigated
Limited impact if user doesn't open untrusted SVG files, with potential application crash but no code execution.
🎯 Exploit Status
Requires user to open malicious SVG file. No public exploit code available as of analysis.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.5.17 or later
Vendor Advisory: https://helpx.adobe.com/security/products/premiere_rush/apsb21-101.html
Restart Required: Yes
Instructions:
1. Open Adobe Premiere Rush. 2. Go to Help > Check for Updates. 3. Install update to version 1.5.17 or later. 4. Restart the application.
🔧 Temporary Workarounds
Block SVG file extensions
allPrevent opening of SVG files in Premiere Rush via file extension blocking
User awareness training
allEducate users not to open SVG files from untrusted sources
🧯 If You Can't Patch
- Restrict user permissions to limit impact of code execution
- Implement application whitelisting to prevent unauthorized executables
🔍 How to Verify
Check if Vulnerable:
Check Premiere Rush version in application (Help > About Premiere Rush). If version is 1.5.16 or earlier, system is vulnerable.Check Version:
Not applicable - check via application GUIVerify Fix Applied:
Confirm version is 1.5.17 or later in Help > About Premiere Rush.📡 Detection & Monitoring
Log Indicators:
- Application crashes when processing SVG files
- Unusual process spawning from Premiere Rush
Network Indicators:
- Outbound connections from Premiere Rush to unexpected destinations
SIEM Query:
Process creation where parent process contains 'Premiere Rush' AND child process is not typical for video editing