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pfSense Diag Routes Web Shell Upload

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pfSense Diag Routes Web Shell Upload

Disclosed
02/23/2022
Created
03/04/2022

Description

This module exploits an arbitrary file creation vulnerability in the pfSense HTTP interface (CVE-2021-41282). The vulnerability affects versions <= 2.5.2 and can be exploited by an authenticated user if they have the "WebCfg - Diagnostics: Routing tables" privilege. This module uses the vulnerability to create a web shell and execute payloads with root privileges.

Author(s)

  • Abdel Adim "smaury" Oisfi of Shielder
  • jbaines-r7

Platform

BSD,Unix

Architectures

cmd, x64

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

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