WinGate 9.4.1.5998 – Insecure Folder Permissions

• Exploit Database
• 16 阅读

• 作者： hyp3rlinx
  日期： 2020-06-10
• 类别：

  • local
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/48573/

• # Exploit Title: WinGate 9.4.1.5998 - Insecure Folder Permissions
  # Date: 2020-06-05
  # Exploit Author: hyp3rlinx
  # Vendor Homepage: https://www.wingate.com
  # Version: 9.4.1.5998
  # CVE: CVE-2020-13866
  
  
  [+] Credits: John Page (aka hyp3rlinx)		
  [+] Website: hyp3rlinx.altervista.org
  [+] Source:http://hyp3rlinx.altervista.org/advisories/WINGATE-INSECURE-PERMISSIONS-LOCAL-PRIVILEGE-ESCALATION.txt
  [+] twitter.com/hyp3rlinx
  [+] ISR: ApparitionSec 
  
  
  [Vendor]
  wingate.com
  
  
  [Product]
  WinGate v9.4.1.5998
  
  WinGate is a sophisticated integrated Internet gateway and communications server designed to meet the control,
  security and email needs of today's Internet-connected businesses.
  
  
  [Vulnerability Type]
  Insecure Permissions EoP
  
  
  [CVE Reference]
  CVE-2020-13866
  
  
  [Security Issue]
  WinGate has insecure permissions for the installation directory, which allows local
  users ability to gain privileges by replacing an executable file with a Trojan horse.
  The WinGate directory hands (F) full control to authenticated users, who can then run
  arbitrary code as SYSTEM after a WinGate restart or system reboot.
  
  
  C:\Program Files\WinGate>cacls WinGate.exe
  C:\Program Files\WinGate\WinGate.exe NT AUTHORITY\Authenticated Users:(ID)F
   NT AUTHORITY\SYSTEM:(ID)F
   BUILTIN\Administrators:(ID)F
   BUILTIN\Users:(ID)R
   APPLICATION PACKAGE AUTHORITY\ALL APPLICATION PACKAGES:(ID)R
   APPLICATION PACKAGE AUTHORITY\ALL RESTRICTED APPLICATION PACKAGES:(ID)R
  
  
  [Affected Component]
  WinGate Installation Directory
  
  [Impact Code execution]
  true
  
  [Impact Denial of Service]
  true
  
  [Impact Escalation of Privileges]
  true
  
  [Impact Information Disclosure]
  true
  
  
  [Exploit/POC]
  Logon as standard user replace WinGate.exe with a trojan executable, wait for restart or reboot the system, your code runs as SYSTEM.
  
  
  [Network Access]
  Local
  
  
  [Severity]
  High
  
  
  [Disclosure Timeline]
  Vendor Notification: May 10, 2020
  Vendor acknowledgement: May 10, 2020
  Vulnerability confirmed: May 18, 2020
  Request status: May 22, 2020
  No reply
  Notify vendor request CVE: May 26, 2020
  No reply
  Advised of public disclosure: June 1, 2020
  No reply
  June 4, 2020 : Public Disclosure
  
  
  
  [+] 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