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Maarch LetterBox Unrestricted File Upload

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Maarch LetterBox Unrestricted File Upload

Disclosed
02/11/2015
Created
05/30/2018

Description

This module exploits a file upload vulnerability on Maarch LetterBox 2.8 due to a lack of session and file validation in the file_to_index.php script. It allows unauthenticated users to upload files of any type and subsequently execute PHP scripts in the context of the web server.

Author(s)

  • rastating

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/unix/webapp/maarch_letterbox_file_upload
msf exploit(maarch_letterbox_file_upload) > show targets
    ...targets...
msf exploit(maarch_letterbox_file_upload) > set TARGET < target-id >
msf exploit(maarch_letterbox_file_upload) > show options
    ...show and set options...
msf exploit(maarch_letterbox_file_upload) > 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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