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hacktricks/network-services-pentesting/pentesting-web/drupal/README.md
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Drupal

{% hint style="success" %} Learn & practice AWS Hacking:HackTricks Training AWS Red Team Expert (ARTE)
Learn & practice GCP Hacking: HackTricks Training GCP Red Team Expert (GRTE)

Support HackTricks
{% endhint %}

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

Discovery

  • Check meta
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>.
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
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:

Request new password

If you request a new password for an existing username:

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

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:

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

#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

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-rce.md" %} drupal-rce.md {% endcontent-ref %}

Drupal From XSS to RCE

Through this technique, it is possible to achieve Remote Code Execution (RCE) in Drupal via Cross-Site Scripting (XSS). https://github.com/nowak0x01/Drupalwned

For more detailed steps check: https://nowak0x01.github.io/papers/76bc0832a8f682a7e0ed921627f85d1d.html

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

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

{% hint style="success" %} Learn & practice AWS Hacking:HackTricks Training AWS Red Team Expert (ARTE)
Learn & practice GCP Hacking: HackTricks Training GCP Red Team Expert (GRTE)

Support HackTricks
{% endhint %}