CVE-2020-9680
📋 TL;DR
Adobe Prelude versions 9.0 and earlier contain an out-of-bounds write vulnerability that could allow attackers to execute arbitrary code on affected systems. This affects users running vulnerable versions of Adobe Prelude video logging and ingest software. Successful exploitation requires user interaction such as opening a malicious file.
💻 Affected Systems
- Adobe Prelude
📦 What is this software?
Prelude by Adobe
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise through arbitrary code execution with the privileges of the current user, potentially leading to data theft, ransomware deployment, or persistent backdoor installation.
Likely Case
Local privilege escalation or system compromise when a user opens a specially crafted malicious file, leading to malware installation or data exfiltration.
If Mitigated
Limited impact if systems are patched, users operate with minimal privileges, and file execution is restricted through application whitelisting.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file) and knowledge of memory corruption techniques. No public exploits were reported in the advisory.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Update to Adobe Prelude 9.0.1 or later
Vendor Advisory: https://helpx.adobe.com/security/products/prelude/apsb20-46.html
Restart Required: Yes
Instructions:
1. Open Adobe Creative Cloud application. 2. Navigate to the 'Apps' tab. 3. Find Adobe Prelude and click 'Update'. 4. Alternatively, download the update directly from Adobe's website. 5. Restart the application after installation.
🔧 Temporary Workarounds
Restrict file execution
allConfigure application control policies to prevent execution of untrusted files in Adobe Prelude
User privilege reduction
allRun Adobe Prelude with standard user privileges instead of administrative rights
🧯 If You Can't Patch
- Isolate affected systems from critical networks and data
- Implement strict file validation policies and user training about opening untrusted files
🔍 How to Verify
Check if Vulnerable:
Check Adobe Prelude version via Help > About Adobe Prelude. If version is 9.0 or earlier, the system is vulnerable.Check Version:
On Windows: Check 'About Adobe Prelude' in application menu. On macOS: Adobe Prelude > About Adobe PreludeVerify Fix Applied:
Verify version is 9.0.1 or later in Help > About Adobe Prelude. Test opening known safe files to ensure functionality.📡 Detection & Monitoring
Log Indicators:
- Application crashes in Adobe Prelude with memory access violations
- Unexpected process creation from Adobe Prelude
Network Indicators:
- Unusual outbound connections from Adobe Prelude process
- DNS requests to suspicious domains
SIEM Query:
Process Creation where Parent Process Name contains 'Prelude' AND (Command Line contains suspicious patterns OR Image Path contains unusual locations)