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Assessing the likelihood of a Drupal exploit of Ghostscript Zero Day CVE-2021-3781

Drupal 9 detects a fake image file

My colleagues and I in the Drupal Security Team recently became aware of a Zero Day RCE vulnerability in Ghostscript. This was later assigned CVE-2021-3781.

At least one viable Proof of Concept (PoC) was made public not long after the Zero Day which illustrated Scalable Vector Graphics (SVG) handling in Imagemagick being used as an attack vector.

Checking for Bad Passwords in Drupal with Drop the Ripper to Avoid Site Compromise

This was originally posted on the dev.acquia.com blog.

Easy-to-guess passwords are all too often the means by which intruders gain unauthorised access. It's useful to be able to audit the passwords in use on your site - especially for user accounts with administrative privileges.

Password Policies and Drupal

The default Drupal 7 password form
Correct Horse Battery Staple - credit xkcd.com

This was originally posted on the dev.acquia.com blog.

People tend to choose bad passwords if they are allowed to.

By default Drupal provides some guidance about how to "make your password stronger," but there's no enforcement of any particular password policy out of the box. As usual, there's a module for that. More than one in fact.

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