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NAS4Free Arbitrary Remote Code Execution

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NAS4Free Arbitrary Remote Code Execution

Disclosed
10/30/2013
Created
05/30/2018

Description

NAS4Free allows an authenticated user to post PHP code to a special HTTP script and have the code executed remotely. This module was successfully tested against NAS4Free version 9.1.0.1.804. Earlier builds are likely to be vulnerable as well.

Author(s)

  • Brandon Perry <bperry.volatile@gmail.com>

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/nas4free_php_exec
msf exploit(nas4free_php_exec) > show targets
    ...targets...
msf exploit(nas4free_php_exec) > set TARGET < target-id >
msf exploit(nas4free_php_exec) > show options
    ...show and set options...
msf exploit(nas4free_php_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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