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CMS Made Simple Authenticated RCE via File Upload/Copy

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CMS Made Simple Authenticated RCE via File Upload/Copy

Disclosed
07/03/2018
Created
07/25/2018

Description

CMS Made Simple allows an authenticated administrator to upload a file and rename it to have a .php extension. The file can then be executed by opening the URL of the file in the /uploads/ directory. This module has been successfully tested on CMS Made Simple versions 2.2.5 and 2.2.7.

Author(s)

  • Mustafa Hasen
  • Jacob Robles

Platform

PHP

Architectures

php

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/multi/http/cmsms_upload_rename_rce
msf exploit(cmsms_upload_rename_rce) > show targets
    ...targets...
msf exploit(cmsms_upload_rename_rce) > set TARGET < target-id >
msf exploit(cmsms_upload_rename_rce) > show options
    ...show and set options...
msf exploit(cmsms_upload_rename_rce) > 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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