ID:5337 - Exploit for Code Injection in Drupal - CVE-2019-6340

 
Main Vulnerability Database Exploits ID:5337 - Exploit for Code Injection in Drupal - CVE-2019-6340

ID:5337 - Exploit for Code Injection in Drupal - CVE-2019-6340

Published: May 3, 2021


Vulnerability identifier: #VU17807
Vulnerability risk: High
CVE-ID: CVE-2019-6340
CWE-ID: CWE-94
Exploitation vector: Remote access
Vulnerable software:
Drupal

Link to public exploit:


Vulnerability description

The vulnerability allows a remote attacker to execute arbitrary PHP code on the target system.

The vulnerability exists due to improper input validation when processing field types in requests, related to API functionality. A remote attacker can send a specially crafted request and execute arbitrary PHP code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system but requires that:

  • - RESTful Web Services (rest) module is enabled and accepts 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.
Note: we are aware of reports regarding in the wild exploitation of this vulnerability days after the official patch.

Remediation

Install updates from vendor's website.