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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

References

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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