CVE-2021-47785
📋 TL;DR
Ether MP3 CD Burner 1.3.8 contains a buffer overflow vulnerability in the registration name field that allows remote attackers to execute arbitrary code. This vulnerability enables attackers to craft malicious payloads that overwrite SEH handlers and execute a bind shell on port 3110. Users running Ether MP3 CD Burner 1.3.8 on Windows systems are affected.
💻 Affected Systems
- Ether MP3 CD Burner
📦 What is this software?
Ether Mp3 Cd Burner by Ethersoftware
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with remote code execution, allowing attackers to install malware, steal data, or create persistent backdoors.
Likely Case
Remote code execution leading to system compromise, data theft, or ransomware deployment on vulnerable systems.
If Mitigated
Limited impact if proper network segmentation and endpoint protection are in place, though local system compromise may still occur.
🎯 Exploit Status
Exploit code is publicly available on Exploit-DB (ID 50332) and demonstrates reliable remote code execution with bind shell on port 3110.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
1. Uninstall Ether MP3 CD Burner 1.3.8 completely. 2. Remove any related files and registry entries. 3. Consider using alternative CD burning software from reputable vendors.
🔧 Temporary Workarounds
Network Segmentation
windowsBlock inbound connections to port 3110 and restrict outbound connections from affected systems.
netsh advfirewall firewall add rule name="Block_Ether_Exploit" dir=in action=block protocol=TCP localport=3110
Application Control
windowsUse application whitelisting to prevent execution of Ether MP3 CD Burner.
🧯 If You Can't Patch
- Immediately isolate affected systems from production networks.
- Implement strict network monitoring for connections to/from port 3110.
🔍 How to Verify
Check if Vulnerable:
Check installed programs for 'Ether MP3 CD Burner' version 1.3.8 via Control Panel > Programs and Features.Check Version:
wmic product where name="Ether MP3 CD Burner" get versionVerify Fix Applied:
Confirm the software is no longer installed and port 3110 is not listening using 'netstat -an | findstr 3110'.📡 Detection & Monitoring
Log Indicators:
- Unusual process creation from Ether MP3 CD Burner executable
- Failed registration attempts with long strings
Network Indicators:
- Inbound/outbound connections to port 3110
- Unusual network traffic from systems running the vulnerable software
SIEM Query:
source="windows" AND (process_name="*ether*" OR destination_port=3110)