Sunday, February 25, 2024

Malwarebytes 4.5 Unquoted Service Path Vulnerability

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.

# Exploit Title: Malwarebytes 4.5 - Unquoted Service Path
# 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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Steven Black (n0tst3)
Hello! I'm Steve, an independent security researcher, and analyst from Scotland, UK. I've had an avid interest in Computers, Technology and Security since my early teens. 20 years on, and, it's a whole lot more complicated... I've assisted Governments, Individuals and Organizations throughout the world. Including; US DOJ, NHS UK, GOV UK. I'll often reblog infosec-related articles that I find interesting. On the RiSec website, You'll also find a variety of write-ups, tutorials and much more!

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