# Drupal

{% hint style="success" %}
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<details>

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<figure><img src="https://pentest.eu/RENDER_WebSec_10fps_21sec_9MB_29042024.gif" alt=""><figcaption></figcaption></figure>

{% embed url="<https://websec.nl/>" %}

## Discovery

* Check **meta**

```bash
curl https://www.drupal.org/ | grep 'content="Drupal'
```

* **Node**: Drupal **indexes its content using nodes**. A node can **hold anything** such as a blog post, poll, article, etc. The page URIs are usually of the form `/node/<nodeid>`.

```bash
curl drupal-site.com/node/1
```

## Enumeration

Drupal supports **three types of users** by default:

1. **`Administrator`**: This user has complete control over the Drupal website.
2. **`Authenticated User`**: These users can log in to the website and perform operations such as adding and editing articles based on their permissions.
3. **`Anonymous`**: All website visitors are designated as anonymous. By default, these users are only allowed to read posts.

### Version

* Check `/CHANGELOG.txt`

```bash
curl -s http://drupal-site.local/CHANGELOG.txt | grep -m2 ""

Drupal 7.57, 2018-02-21
```

{% hint style="info" %}
Newer installs of Drupal by default block access to the `CHANGELOG.txt` and `README.txt` files.
{% endhint %}

### Username enumeration

#### Register

In */user/register* just try to create a username and if the name is already taken it will be notified:

![](https://4053168017-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FbkAZDoSuRHGdNlWHdyKs%2Fuploads%2Fgit-blob-6ab46c118379ea792b2f477ca36d22f4e1380ddd%2Fimage%20\(328\).png?alt=media)

#### Request new password

If you request a new password for an existing username:

![](https://4053168017-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FbkAZDoSuRHGdNlWHdyKs%2Fuploads%2Fgit-blob-592a4e1a03125816894fd143f1631e70c75444d2%2Fimage%20\(903\).png?alt=media)

If you request a new password for a non-existent username:

![](https://4053168017-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FbkAZDoSuRHGdNlWHdyKs%2Fuploads%2Fgit-blob-af912ceb716958218004a7094a885255498368a9%2Fimage%20\(307\).png?alt=media)

### Get number of users

Accessing */user/\<number>* you can see the number of existing users, in this case is 2 as */users/3* returns a not found error:

![](https://4053168017-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FbkAZDoSuRHGdNlWHdyKs%2Fuploads%2Fgit-blob-bbd405a269fec3069cb078fd269da45510050c9b%2Fimage%20\(333\).png?alt=media)

![](https://4053168017-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FbkAZDoSuRHGdNlWHdyKs%2Fuploads%2Fgit-blob-74cc125b1d2baf64a7889fc0a04bcd299d4fb8e2%2Fimage%20\(227\)%20\(1\)%20\(1\)%20\(1\).png?alt=media)

### Hidden pages

**Fuzz `/node/$` where `$` is a number** (from 1 to 500 for example).\
You could find **hidden pages** (test, dev) which are not referenced by the search engines.

#### Installed modules info

```bash
#From https://twitter.com/intigriti/status/1439192489093644292/photo/1
#Get info on installed modules
curl https://example.com/config/sync/core.extension.yml
curl https://example.com/core/core.services.yml

# Download content from files exposed in the previous step
curl https://example.com/config/sync/swiftmailer.transport.yml
```

### Automatic

```bash
droopescan scan drupal -u http://drupal-site.local
```

## RCE

If you have access to the Drupal web console check these options to get RCE:

{% content-ref url="drupal/drupal-rce" %}
[drupal-rce](https://angelica.gitbook.io/hacktricks/network-services-pentesting/pentesting-web/drupal/drupal-rce)
{% endcontent-ref %}

## From XSS to RCE

* [**Drupalwned**](https://github.com/nowak0x01/Drupalwned): Drupal Exploitation Script that **elevate XSS to RCE or Others Critical Vulnerabilities.** For more info check [**this post**](https://nowak0x01.github.io/papers/76bc0832a8f682a7e0ed921627f85d1d.html). It provides **support for Drupal Versions 7.X.X, 8.X.X, 9.X.X and 10.X.X, and allows to:**
  * ***Privilege Escalation:*** Creates an administrative user in Drupal.
  * ***(RCE) Upload Template:*** Upload custom templates backdoored to Drupal.

## Post Exploitation

### Read settings.php

```
find / -name settings.php -exec grep "drupal_hash_salt\|'database'\|'username'\|'password'\|'host'\|'port'\|'driver'\|'prefix'" {} \; 2>/dev/null
```

### Dump users from DB

```
mysql -u drupaluser --password='2r9u8hu23t532erew' -e 'use drupal; select * from users'
```

## References

* <https://academy.hackthebox.com/module/113/section/1209>

<figure><img src="https://pentest.eu/RENDER_WebSec_10fps_21sec_9MB_29042024.gif" alt=""><figcaption></figcaption></figure>

{% embed url="<https://websec.nl/>" %}

{% hint style="success" %}
Learn & practice AWS Hacking:<img src="https://4053168017-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FbkAZDoSuRHGdNlWHdyKs%2Fuploads%2Fgit-blob-ce8af1068db7be4ad9003f8ddb02fea8f943f1a4%2Farte.png?alt=media" alt="" data-size="line">[**HackTricks Training AWS Red Team Expert (ARTE)**](https://training.hacktricks.xyz/courses/arte)<img src="https://4053168017-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FbkAZDoSuRHGdNlWHdyKs%2Fuploads%2Fgit-blob-ce8af1068db7be4ad9003f8ddb02fea8f943f1a4%2Farte.png?alt=media" alt="" data-size="line">\
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<details>

<summary>Support HackTricks</summary>

* Check the [**subscription plans**](https://github.com/sponsors/carlospolop)!
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{% endhint %}
