---
title: "Drupal"
date: 2020-09-01T08:42:46+03:00
draft: false
tags: ["exploit", "linux", "windows"]
---

The Drupal exploiter exploits [CVE-2019-6340](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6340) 
on a vulnerable Drupal server.

### Description

Some field types do not properly sanitize data from non-form sources in certain versions
of Drupal server. 

This can lead to arbitrary PHP code execution in some cases.


### Affected Versions

* Drupal 8.5.x (before 8.5.11) and Drupal 8.6.x (before 8.6.10).

One of the following conditions must hold:
* The site has the Drupal 8 core RESTful Web Services (rest) module enabled and allows PATCH 
or POST requests; OR
* The site has another web services module enabled, like JSON:API in 
Drupal 8, or Services or RESTful Web Services in Drupal 7.


### Notes

* The Infection Monkey exploiter implementation is based on an open-source 
[Python implementation](https://gist.github.com/leonjza/d0ab053be9b06fa020b66f00358e3d88/f9f6a5bb6605745e292bee3a4079f261d891738a) 
of the exploit by @leonjza.
* For the full attack to work, more than one vulnerable URL is required.