CVE-2023-47056
📋 TL;DR
This heap-based buffer overflow vulnerability in Adobe Premiere Pro allows attackers to execute arbitrary code when a user opens a malicious file. The vulnerability affects users running vulnerable versions of Premiere Pro, potentially leading to complete system compromise. Attackers can gain the same privileges as the current user through crafted media files.
💻 Affected Systems
- Adobe Premiere Pro
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with attacker gaining full control of the victim's computer, enabling data theft, ransomware deployment, or persistent backdoor installation.
Likely Case
Local privilege escalation leading to data exfiltration, credential harvesting, or installation of additional malware payloads.
If Mitigated
Limited impact with proper application sandboxing and user privilege restrictions, potentially containing the exploit to the application context.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file). No public exploit code available at time of advisory.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 24.1 and 23.6.1
Vendor Advisory: https://helpx.adobe.com/security/products/premiere_pro/apsb23-65.html
Restart Required: Yes
Instructions:
1. Open Adobe Creative Cloud application. 2. Navigate to 'Apps' section. 3. Find Premiere Pro and click 'Update'. 4. Install version 24.1 or 23.6.1. 5. Restart computer after installation.
🔧 Temporary Workarounds
Restrict file opening
allConfigure Premiere Pro to only open files from trusted sources and disable automatic file opening features.
Application sandboxing
allRun Premiere Pro in a sandboxed environment or virtual machine to contain potential exploits.
🧯 If You Can't Patch
- Implement strict file opening policies and user training to avoid opening untrusted media files
- Deploy application control solutions to restrict Premiere Pro's network and system access
🔍 How to Verify
Check if Vulnerable:
Check Premiere Pro version in Help > About Premiere Pro. If version is 24.0 or earlier, or 23.6 or earlier, system is vulnerable.
Check Version:
On Windows: Check registry at HKEY_LOCAL_MACHINE\SOFTWARE\Adobe\Premiere Pro\CurrentVersion. On macOS: Check /Applications/Adobe Premiere Pro [version]/
Verify Fix Applied:
Verify version is 24.1 or higher, or 23.6.1 or higher in Help > About Premiere Pro.
📡 Detection & Monitoring
Log Indicators:
- Unexpected Premiere Pro crashes with heap corruption errors
- Suspicious file opening events in application logs
- Unusual process creation from Premiere Pro executable
Network Indicators:
- Outbound connections from Premiere Pro to unknown IPs post-file opening
- DNS requests for suspicious domains after file processing
SIEM Query:
process_name:"Adobe Premiere Pro.exe" AND (event_type:crash OR parent_process:explorer.exe AND child_process:cmd.exe)