Privilege escalation in Drupal - CVE-2017-6919

 

Privilege escalation in Drupal - CVE-2017-6919

Published: April 19, 2017 / Updated: May 1, 2017


Vulnerability identifier: #VU6352
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2017-6919
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Drupal
Affected software:
Drupal

Detailed vulnerability description

The vulnerability allows a remote attacker to gain escalated privileges within web application.

The vulnerability exists due to undisclosed error related to RESTful Web Services. A remote authenticated attacker can send a specially crafted PATCH request and gain full access to vulnerable website.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable website.

 


How to mitigate CVE-2017-6919

Update to version 8.2.8 or 8.3.1.

Sources