High · published November 20, 2020
CVSS calls it high at 8.8. It is confirmed in active exploitation. It sits in the 98.5th percentile for exploit probability.
🚨 Improperly sanitized filenames can lead to disastrous consequences in Drupal! An attacker could upload a file that executes malicious PHP code, completely blowing the doors off your website! 🔥 Think of it like a restaurant mistakenly serving a dessert with a savory label; instead of a delightful cake, you get a dish that ruins the entire meal! Here, Drupal mislabels uploaded files, serving them up under the wrong MIME types. This vulnerability allows an attacker to upload a file that could execute PHP code on the server, leading to unauthorized access and potentially complete control over the website. Imagine the chaos – sensitive data exposed, site defaced, or even being used as a launchpad for further attacks!
Think of it like a restaurant mistakenly serving a dessert with a savory label; instead of a delightful cake, you get a dish that ruins the entire meal! Here, Drupal mislabels uploaded files, serving them up under the wrong MIME types. The issue arises because Drupal core fails to properly sanitize certain filenames for uploaded files, allowing files to be interpreted as the wrong file type. This can lead to the execution of PHP code when the server misconfigures MIME types.
This vulnerability allows an attacker to upload a file that could execute PHP code on the server, leading to unauthorized access and potentially complete control over the website. Imagine the chaos – sensitive data exposed, site defaced, or even being used as a launchpad for further attacks! To fortify your Drupal installation, update immediately to Drupal Core 9.0.8, 8.9.9, 8.8.11, or 7.74 depending on your version. Additionally, audit your file upload permissions and ensure proper validation and sanitization mechanisms are in place. Don't wait, fix this now! You're taking action to protect your website! Follow these steps, and you'll be back in the security zone in no time! 🛡️