Drupal 8.7.4 Workspaces Module privilege escalation

A vulnerability was found in Drupal 8.7.4 (Content Management System). It has been rated as critical. This issue affects some unknown processing of the component Workspaces Module. The manipulation with an unknown input leads to a privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-269. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 07/17/2019 by Dave Botsch as SA-CORE-2019-008 as confirmed security advisory (Website). It is possible to read the advisory at drupal.org. The identification of this vulnerability is CVE-2019-6342. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The advisory points out:

In Drupal 8.7.4, when the experimental Workspaces module is enabled, an access bypass condition is created.

Upgrading to version 8.7.5 eliminates this vulnerability. The upgrade is hosted for download at drupal.org. A possible mitigation has been published immediately after the disclosure of the vulnerability. The security advisory contains the following remark:

This can be mitigated by disabling the Workspaces module. It does not affect any release other than Drupal 8.7.4. Drupal 8.7.3 and earlier, Drupal 8.6.x and earlier, and Drupal 7.x are not affected. Note, manual step needed. For sites with the Workspaces module enabled, update.php needs to run to ensure a required cache clear. If there is a reverse proxy cache or content delivery network (e.g. Varnish, CloudFlare) it is also advisable to clear these as well.

bleepingcomputer.com is providing further details.

• Drupal up to 8.7.3

Type

• Content Management System

Name

• Drupal

• 🔒

• 🔒

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Privilege escalation (CWE-269)
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍Recommended: Upgrade
Status: 🔍

Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒

Upgrade: Drupal 8.7.5

07/17/2019 Advisory disclosed
07/17/2019 +0 days Countermeasure disclosed
07/19/2019 +2 days VulDB entry created
07/19/2019 +0 days VulDB last updateProduct: drupal.org

Advisory: SA-CORE-2019-008
Researcher: Dave Botsch
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2019-6342 (🔒)
Misc.: 🔒

Created: 07/19/2019 06:08 PM
Complete: 🔍

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