CVE-2024-49551
📋 TL;DR
Adobe Media Encoder versions 25.0, 24.6.3 and earlier contain an out-of-bounds write vulnerability that allows arbitrary code execution when a user opens a malicious file. This affects users of Adobe Media Encoder who process untrusted media files.
💻 Affected Systems
- Adobe Media Encoder
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with attacker gaining the same privileges as the current user, potentially leading to data theft, ransomware deployment, or persistent backdoor installation.
Likely Case
Local privilege escalation or malware execution when users open specially crafted malicious media files from untrusted sources.
If Mitigated
Limited impact with proper user training and file validation preventing malicious file execution.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file) and knowledge of file format manipulation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 25.1 and later
Vendor Advisory: https://helpx.adobe.com/security/products/media-encoder/apsb24-93.html
Restart Required: Yes
Instructions:
1. Open Adobe Creative Cloud application. 2. Navigate to 'Apps' section. 3. Find Media Encoder and click 'Update'. 4. Follow prompts to install version 25.1 or later. 5. Restart computer after installation.
🔧 Temporary Workarounds
Restrict file processing
allConfigure Media Encoder to only process files from trusted sources and locations.
User training and awareness
allTrain users to only open media files from trusted sources and verify file integrity.
🧯 If You Can't Patch
- Implement application whitelisting to prevent execution of unauthorized files
- Use endpoint protection with file reputation checking and behavior monitoring
🔍 How to Verify
Check if Vulnerable:
Check Media Encoder version via Help > About Media Encoder. If version is 25.0, 24.6.3 or earlier, system is vulnerable.Check Version:
On Windows: Check via Creative Cloud app or Help > About Media Encoder. On macOS: Check via Creative Cloud app or Media Encoder > About Media Encoder.Verify Fix Applied:
Verify version is 25.1 or later in Help > About Media Encoder and check Adobe Security Bulletin APSB24-93 for confirmation.📡 Detection & Monitoring
Log Indicators:
- Unexpected process crashes of Media Encoder
- Suspicious file access patterns from Media Encoder process
Network Indicators:
- Unusual outbound connections from Media Encoder process
SIEM Query:
Process:Media Encoder AND (EventID:1000 OR EventID:1001) OR FileAccess:*.mxf,*.mp4,*.mov FROM untrusted sources