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Malwarebytes Anti-Malware and Anti-Exploit Update Remote Code Execution

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Malwarebytes Anti-Malware and Anti-Exploit Update Remote Code Execution

Disclosed
12/16/2014
Created
05/30/2018

Description

This module exploits a vulnerability in the update functionality of Malwarebytes Anti-Malware consumer before 2.0.3 and Malwarebytes Anti-Exploit consumer 1.03.1.1220. Due to the lack of proper update package validation, a man-in-the-middle (MITM) attacker could execute arbitrary code by spoofing the update server data-cdn.mbamupdates.com and uploading an executable. This module has been tested successfully with MBAM 2.0.2.1012 and MBAE 1.03.1.1220.

Author(s)

  • Yonathan Klijnsma
  • Gabor Seljan
  • todb <todb@metasploit.com>

Platform

Windows

Development

Module Options

To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':

msf > use exploit/windows/browser/malwarebytes_update_exec
msf exploit(malwarebytes_update_exec) > show targets
    ...targets...
msf exploit(malwarebytes_update_exec) > set TARGET < target-id >
msf exploit(malwarebytes_update_exec) > show options
    ...show and set options...
msf exploit(malwarebytes_update_exec) > exploit

Time is precious, so I don’t want to do something manually that I can automate. Leveraging the Metasploit Framework when automating any task keeps us from having to re-create the wheel as we can use the existing libraries and focus our efforts where it matters.

– Jim O’Gorman | President, Offensive Security

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