CVE-2022-28480

9.8 CRITICAL

📋 TL;DR

CVE-2022-28480 is a critical buffer overflow vulnerability in ALLMediaServer 1.6 that allows remote attackers to execute arbitrary code on affected systems. This affects organizations using ALLMediaServer 1.6 for media streaming services. The vulnerability is remotely exploitable without authentication.

💻 Affected Systems

Products:
  • ALLMediaServer
Versions: Version 1.6
Operating Systems: Windows (based on MediaServer.exe)
Default Config Vulnerable: ⚠️ Yes
Notes: The vulnerability exists in the MediaServer.exe component which handles network requests.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete system compromise with remote code execution leading to data theft, ransomware deployment, or persistent backdoor installation.

🟠

Likely Case

Remote code execution allowing attackers to gain control of the server, potentially pivoting to other network resources.

🟢

If Mitigated

Limited impact if proper network segmentation and least privilege principles are implemented, though service disruption is still possible.

🌐 Internet-Facing: HIGH - The vulnerability is remotely exploitable without authentication and affects a network service.
🏢 Internal Only: MEDIUM - While still dangerous, internal-only deployment reduces attack surface from external threats.

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Public exploit code is available on Packet Storm Security, making exploitation straightforward for attackers.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Unknown - No official patch information available

Vendor Advisory: No vendor advisory URL found

Restart Required: Yes

Instructions:

1. Check vendor website for updated version
2. If no patch available, implement workarounds
3. Consider replacing with alternative media server software

🔧 Temporary Workarounds

Network Segmentation

windows

Restrict access to ALLMediaServer service using firewall rules

netsh advfirewall firewall add rule name="Block ALLMediaServer" dir=in action=block protocol=TCP localport=[PORT_NUMBER]

Service Disablement

windows

Temporarily disable the ALLMediaServer service if not critically needed

sc stop "ALLMediaServer"
sc config "ALLMediaServer" start= disabled

🧯 If You Can't Patch

  • Implement strict network access controls to limit exposure
  • Deploy intrusion detection/prevention systems to monitor for exploitation attempts

🔍 How to Verify

Check if Vulnerable:

Check if ALLMediaServer version 1.6 is installed and MediaServer.exe is running

Check Version:

Check program files directory for ALLMediaServer version or examine installed programs list

Verify Fix Applied:

Verify ALLMediaServer is no longer version 1.6 or service is disabled

📡 Detection & Monitoring

Log Indicators:

  • Unusual process creation from MediaServer.exe
  • Crash logs from ALLMediaServer service

Network Indicators:

  • Unusual network traffic patterns to ALLMediaServer port
  • Large payloads sent to MediaServer service

SIEM Query:

Process Creation where Image contains "MediaServer.exe" AND CommandLine contains unusual patterns

🔗 References

📤 Share & Export