module

Intelliants Subrion CMS 4.2.1 - Authenticated File Upload Bypass to RCE

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Disclosed
2018-11-04
Created
2023-08-03

Description

This module exploits an authenticated file upload vulnerability in
Subrion CMS versions 4.2.1 and lower. The vulnerability is caused by
the .htaccess file not preventing the execution of .pht, .phar, and
.xhtml files. Files with these extensions are not included in the
.htaccess blacklist, hence these files can be uploaded and executed
to achieve remote code execution. In this module, a .phar file with
a randomized name is uploaded and executed to receive a Meterpreter
session on the target, then deletes itself afterwards.

Authors

Hexife
Fellipe Oliveira
Ismail E. Dawoodjee

Platform

PHP

Architectures

php

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