OpenSSL: DH Key Too Small

[Abs2018]

Ran into a problem while running the program. Full output below:

~/PhoneInfoga# python3 phoneinfoga.py -n +1-XXX-996-XXXX

    ___ _                       _____        __                   
   / _ \ |__   ___  _ __   ___  \_   \_ __  / _| ___   __ _  __ _ 
  / /_)/ '_ \ / _ \| '_ \ / _ \  / /\/ '_ \| |_ / _ \ / _` |/ _` |
 / ___/| | | | (_) | | | |  __/\/ /_ | | | |  _| (_) | (_| | (_| |
 \/    |_| |_|\___/|_| |_|\___\____/ |_| |_|_|  \___/ \__, |\__,_|
                                                      |___/       
 PhoneInfoga Ver. 1.0.0-rc1
 Coded by Sundowndev


[!] ---- Fetching informations for 1XXX996XXXX ---- [!]
[*] Running local scan...
[+] International format: +1 XXX-996-XXXX
[+] Local format: 0XXX996XXXX
[+] Country code: +1
[+] Location: Ontario
[+] Carrier: 
[+] Area: Ontario
[+] Timezone: America/Toronto
[*] The number is valid and possible.
[*] Running Numverify.com scan...
Traceback (most recent call last):
  File "/root/.local/lib/python3.6/site-packages/urllib3/contrib/pyopenssl.py", line 453, in wrap_socket
    cnx.do_handshake()
  File "/usr/lib/python3/dist-packages/OpenSSL/SSL.py", line 1907, in do_handshake
    self._raise_ssl_error(self._ssl, result)
  File "/usr/lib/python3/dist-packages/OpenSSL/SSL.py", line 1639, in _raise_ssl_error
    _raise_current_error()
  File "/usr/lib/python3/dist-packages/OpenSSL/_util.py", line 54, in exception_from_error_queue
    raise exception_type(errors)
OpenSSL.SSL.Error: [('SSL routines', 'tls_process_ske_dhe', 'dh key too small')]

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/root/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 600, in urlopen
    chunked=chunked)
  File "/root/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 343, in _make_request
    self._validate_conn(conn)
  File "/root/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 839, in _validate_conn
    conn.connect()
  File "/root/.local/lib/python3.6/site-packages/urllib3/connection.py", line 344, in connect
    ssl_context=context)
  File "/root/.local/lib/python3.6/site-packages/urllib3/util/ssl_.py", line 344, in ssl_wrap_socket
    return context.wrap_socket(sock, server_hostname=server_hostname)
  File "/root/.local/lib/python3.6/site-packages/urllib3/contrib/pyopenssl.py", line 459, in wrap_socket
    raise ssl.SSLError('bad handshake: %r' % e)
ssl.SSLError: ("bad handshake: Error([('SSL routines', 'tls_process_ske_dhe', 'dh key too small')],)",)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/root/.local/lib/python3.6/site-packages/requests/adapters.py", line 449, in send
    timeout=timeout
  File "/root/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 638, in urlopen
    _stacktrace=sys.exc_info()[2])
  File "/root/.local/lib/python3.6/site-packages/urllib3/util/retry.py", line 398, in increment
    raise MaxRetryError(_pool, url, error or ResponseError(cause))
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='numverify.com', port=443): Max retries exceeded with url: / (Caused by SSLError(SSLError("bad handshake: Error([('SSL routines', 'tls_process_ske_dhe', 'dh key too small')],)",),))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "phoneinfoga.py", line 544, in <module>
    scanNumber(args.number)
  File "phoneinfoga.py", line 509, in scanNumber
    numverifyScan()
  File "phoneinfoga.py", line 243, in numverifyScan
    resp = requests.get('https://numverify.com/')
  File "/root/.local/lib/python3.6/site-packages/requests/api.py", line 75, in get
    return request('get', url, params=params, **kwargs)
  File "/root/.local/lib/python3.6/site-packages/requests/api.py", line 60, in request
    return session.request(method=method, url=url, **kwargs)
  File "/root/.local/lib/python3.6/site-packages/requests/sessions.py", line 524, in request
    resp = self.send(prep, **send_kwargs)
  File "/root/.local/lib/python3.6/site-packages/requests/sessions.py", line 637, in send
    r = adapter.send(request, **kwargs)
  File "/root/.local/lib/python3.6/site-packages/requests/adapters.py", line 514, in send
    raise SSLError(e, request=request)
requests.exceptions.SSLError: HTTPSConnectionPool(host='numverify.com', port=443): Max retries exceeded with url: / (Caused by SSLError(SSLError("bad handshake: Error([('SSL routines', 'tls_process_ske_dhe', 'dh key too small')],)",),))

[sundowndev]

Hi, what is your OS and Python version ?

EDIT: I'm able to reproduce the bug using Kali docker image with Python 3.6.7