CKEditor 3 – Server-Side Request Forgery (SSRF)

• Exploit Database
• 29 阅读

• 作者： ahmed
  日期： 2021-06-16
• 类别：

  • webapps
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/50021/

• # Exploit Title: CKEditor 3 - Server-Side Request Forgery (SSRF)
  # Google Dorks : inurl /editor/filemanager/connectors/uploadtest.html
  # Date: 12-6-2021
  # Exploit Author: Blackangel
  # Software Link: https://ckeditor.com/
  # Version:all version under 4 (1,2,3)
  # Tested on: windows 7
  
  Steps of Exploit:-
  
  1-using google dorks
  
  inurl /editor/filemanager/connectors/uploadtest.html
  
  2-after going to vulnerable page you will find filed “Custom Uploader URL: ”
  
  3-right click then choose inspect element, click on pick an element from
  the page , select field Custom Uploader URL:
  
  4-in elements “<input id=”txtCustomUrl” style=”WIDTH: 100%;
  BACKGROUND-COLOR: #dcdcdc” disabled=”” type=”text”>”
  
  delete disabled=””
  
  5-now you can put url start with any protocal
  
  6-send it to the server as you see website that you have entered link
  
  is appear into page .
  
  what this mean??!!1
  
  you send request to server using vulnerable website
  
  you can said i used it as proxy
  
  hackers >>> vulnerable website >>> http:/xx.com
  
  so in http://xx.com logs requests come from vulnerable website
  
  impact:-
  
  1-that allows an attacker to induce the server-side application to make
  HTTP requests to an arbitrary domain of the attacker’s choosing. if there
  is big company use old version hackers can send request via there websites
  and this not good for reputation of company
  
  2-put big company website in blacklist of websites cause i hackers can send
  many of request via vulnerable website
  
  Mitigation:-
  
  Remove the uploadtest.html file as it is not used by the application.