CVE-2024-49553
📋 TL;DR
This CVE describes an out-of-bounds write vulnerability in Adobe Media Encoder that could allow arbitrary code execution when a user opens a malicious file. The vulnerability affects users running vulnerable versions of Media Encoder on any operating system where the software is installed. Successful exploitation requires user interaction to open a specially crafted file.
💻 Affected Systems
- Adobe Media Encoder
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete 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 in the user context, potentially compromising sensitive files and enabling lateral movement within the network.
If Mitigated
Limited impact with proper application sandboxing and user privilege restrictions, potentially containing the exploit to the application's context.
🎯 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, 24.6.4 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 latest version. 5. Restart computer after installation.
🔧 Temporary Workarounds
Restrict file processing
allConfigure Media Encoder to only process files from trusted sources using application restrictions or group policies.
Run with reduced privileges
windowsConfigure Media Encoder to run with standard user privileges instead of administrative rights.
🧯 If You Can't Patch
- Implement application control policies to restrict Media Encoder execution to approved systems only
- Deploy endpoint protection with behavioral analysis to detect and block exploit attempts
🔍 How to Verify
Check if Vulnerable:
Check Media Encoder version in Help > About Media Encoder. If version is 25.0, 24.6.3 or earlier, system is vulnerable.
Check Version:
On Windows: Check Help > About Media Encoder. On macOS: Adobe Media Encoder > About Media Encoder
Verify Fix Applied:
Verify version is 25.1 or later, or 24.6.4 or later after updating through Adobe Creative Cloud.
📡 Detection & Monitoring
Log Indicators:
- Application crashes with memory access violations
- Unusual file processing from untrusted sources
- Suspicious child processes spawned from Media Encoder
Network Indicators:
- Outbound connections to suspicious IPs after file processing
- DNS requests to malicious domains following Media Encoder execution
SIEM Query:
source="*MediaEncoder*" AND (event_type="crash" OR process_name="suspicious.exe")