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Pi-Hole Top Domains API Authenticated Exec

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Pi-Hole Top Domains API Authenticated Exec

Disclosed
08/04/2021
Created
01/17/2022

Description

This exploits a command execution in Pi-Hole Web Interface <= 5.5. The Settings > API/Web inetrace page contains the field Top Domains/Top Advertisers which is validated by a regex which does not properly filter system commands, which can then be executed by calling the gravity functionality. However, the regex only allows a-z, 0-9, _.

Author(s)

  • h00die
  • SchneiderSec

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 auxiliary/admin/http/pihole_domains_api_exec
msf auxiliary(pihole_domains_api_exec) > show actions
    ...actions...
msf auxiliary(pihole_domains_api_exec) > set ACTION < action-name >
msf auxiliary(pihole_domains_api_exec) > show options
    ...show and set options...
msf auxiliary(pihole_domains_api_exec) > run

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