Drupal Access Bypass Vulnerability (CVE-2019-6342) Threat Alert

Drupal Access Bypass Vulnerability (CVE-2019-6342) Threat Alert

July 31, 2019 | Mina Hao

Overview

On July 17, 2019, local time, Drupal released a security advisory on the remediation of an access bypass vulnerability (CVE-2019-6342). In Drupal 8.7.4, when the experimental Workspaces module is enabled, an access bypass condition is created. In terms of the security risk, Drupal rates the vulnerability as Critical.

For details of this vulnerability, visit the following link:

https://www.drupal.org/sa-core-2019-008

NSFOCUS’s Alert Level: [Blue]

For the definition of NSFOCUS’s alert levels, see “Description of NSFOCUS’s Security Alert Levels.”

Affected Versions

  • Drupal Version == 8.7.4

 Unaffected Versions

  • Drupal Version == 8.7.5
  • Drupal Version <= 8.7.3
  • Drupal Version <= 8.6.x
  • Drupal Version 7.x

Solution

Drupal has released version 8.7.5 to fix the preceding vulnerability. Affected users are advised to upgrade as soon as possible.

If users cannot immediately upgrade, they can adopt a mitigation measure, that is, disabling the Workspace module on the affected sites.

Note that a manual step is needed. For sites with the Workspaces module enabled, users need to execute update.php to ensure a required cache clear. If there is a reverse proxy cache or content delivery network (CDN), users are advised to clear them as well.

Drupal 8.7.5 is available in the following link:

https://www.drupal.org/project/drupal/releases/8.7.5

Description of NSFOCUS’s Security Alert Levels

Level Description Delivery of Technical Analysis Result Availability of Detection & Protection Rule Update
Red The vulnerability has an extensive and damaging impact, and is easy to exploit. Within 12 hours Within 16 hours
Orange The vulnerability has a comparatively extensive and damaging impact, and is comparatively easy to exploit. Within 12 hours Within 16 hours
Yellow The vulnerability has a controllable impact within a controllable scope, and is difficult to exploit. Within 12 hours Within 16 hours
Blue The vulnerability has a minor impact within a small scope, and is very difficult to exploit. On a weekly routine

Statement

This advisory is only used to describe a potential risk. NSFOCUS does not provide any commitment or promise on this advisory. NSFOCUS and the author will not bear any liability for any direct and/or indirect consequences and losses caused by transmitting and/or using this advisory. NSFOCUS reserves all the rights to modify and interpret this advisory. Please include this statement paragraph when reproducing or transferring this advisory. Do not modify this advisory, add/delete any information to/from it, or use this advisory for commercial purposes without permission from NSFOCUS.

About NSFOCUS

NSFOCUS, Inc., a global network and cyber security leader, protects enterprises and carriers from advanced cyber attacks. The company’s Intelligent Hybrid Security strategy utilizes both cloud and on-premises security platforms, built on a foundation of real-time global threat intelligence, to provide multi-layered, unified and dynamic protection against advanced cyber attacks.

NSFOCUS works with Fortune Global 500 companies, including four of the world’s five largest financial institutions, organizations in insurance, retail, healthcare, critical infrastructure industries as well as government agencies. NSFOCUS has technology and channel partners in more than 60 countries, is a member of both the Microsoft Active Protections Program (MAPP), and the Cloud Security Alliance (CSA).

A wholly owned subsidiary of NSFOCUS Information Technology Co. Ltd., the company has operations in the Americas, Europe, the Middle East and Asia Pacific.