Friday, October 8, 2021

TotalAV 5.15.69 - Unquoted Service Path

# Exploit Title: TotalAV 5.15.69 - Unquoted Service Path
# Date: 22/09/2021
# Exploit Author: Andrea Intilangelo
# Vendor Homepage: https://www.totalav.com
# Software Link: https://download.totalav.com/windows/beta-trial or https://install.protected.net/windows/cdn3/5.15.69/TotalAV.exe
# Version: 5.15.69
# Tested on: Windows 10 Pro 20H2 and 21H1 x64

The PC Security Management Service, PC Security Management Monitoring Service, and Anti-Malware SDK Protected Service
services from TotalAV version 5.15.69 are affected by unquoted service path (CWE-428) vulnerability which may allow a
user to gain SYSTEM privileges since they all running with higher privileges. To exploit the vulnerability is possible
to place executable(s) following the path of the unquoted string.

Affected excecutables services: SecurityService, SecurityServiceMonitor, AMSProtectedService:

PC Security Management Service 			SecurityService 	C:\Program Files (x86)\TotalAV\SecurityService.exe 			Auto
PC Security Management Monitoring Service 	SecurityServiceMonitor	C:\Program Files (x86)\TotalAV\SecurityService.exe --monitor 		Auto
Anti-Malware SDK Protected Service		AMSProtectedService 	C:\Program Files (x86)\TotalAV\savapi\elam_ppl\amsprotectedservice.exe 	Auto

C:\Users\user>sc qc SecurityService
[SC] QueryServiceConfig OPERAZIONI RIUSCITE

NOME_SERVIZIO: SecurityService
		TIPO 			  : 10  WIN32_OWN_PROCESS
		TIPO_AVVIO 		  : 2   AUTO_START
		CONTROLLO_ERRORE 	  : 1   NORMAL
		NOME_PERCORSO_BINARIO	  : C:\Program Files(x86)\TotalAV\SecurityService.exe
		GRUPPO_ORDINE_CARICAMENTO :
		TAG 			  : 0
		NOME_VISUALIZZATO 	  : PC Security Management Service
		DIPENDENZE		  :
		SERVICE_START_NAME : LocalSystem

C:\Users\user>sc qc SecurityServiceMonitor
[SC] QueryServiceConfig OPERAZIONI RIUSCITE

NOME_SERVIZIO: SecurityServiceMonitor
		TIPO 			  : 10  WIN32_OWN_PROCESS
		TIPO_AVVIO 		  : 2   AUTO_START
		CONTROLLO_ERRORE	  : 1   NORMAL
		NOME_PERCORSO_BINARIO 	  : C:\Program Files(x86)\TotalAV\SecurityService.exe --monitor
		GRUPPO_ORDINE_CARICAMENTO :
		TAG 			  : 0
		NOME_VISUALIZZATO 	  : PC Security Management Monitoring Service
		DIPENDENZE 		  :
		SERVICE_START_NAME : LocalSystem

C:\Users\user>sc qc AMSProtectedService
[SC] QueryServiceConfig OPERAZIONI RIUSCITE

NOME_SERVIZIO: AMSProtectedService
		TIPO 			  : 10  WIN32_OWN_PROCESS
		TIPO_AVVIO 		  : 2   AUTO_START
		CONTROLLO_ERRORE	  : 1   NORMAL
		NOME_PERCORSO_BINARIO 	  : C:\Program Files (x86)\TotalAV\savapi\elam_ppl\amsprotectedservice.exe
		GRUPPO_ORDINE_CARICAMENTO :
		TAG 			  : 0
		NOME_VISUALIZZATO 	  : Anti-Malware SDK Protected Service
		DIPENDENZE 		  :
		SERVICE_START_NAME : LocalSystem
            
 

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thank you Templateism for the design - You should have written the code a little more complicated - Nothing Encrypted anymore