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AUSCERT External Security Bulletin Redistribution
ESB-2019.2666
Drupal core - Critical - Access bypass - SA-CORE-2019-008
18 July 2019
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AusCERT Security Bulletin Summary
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Product: Drupal Core
Publisher: Drupal
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Access Confidential Data -- Remote/Unauthenticated
Modify Arbitrary Files -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-6342
Original Bulletin:
https://www.drupal.org/sa-core-2019-008
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Drupal core - Critical - Access bypass - SA-CORE-2019-008
Project: Drupal core
Date: 2019-July-17
Security risk: Critical 17/25
AC:None/A:None/CI:Some/II:Some/E:Theoretical/TD:Default
Vulnerability: Access bypass
CVE IDs: CVE-2019-6342
Description:
In Drupal 8.7.4, when the experimental Workspaces module is enabled, an access
bypass condition is created.
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.
Solution:
If the site is running Drupal 8.7.4, upgrade to Drupal 8.7.5.
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.
Reported By:
o Dave Botsch
Fixed By:
o Michael Hess of the Drupal Security Team
o Jess of the Drupal Security Team
o Greg Knaddison of the Drupal Security Team
o Chris McCafferty of the Drupal Security Team
o Neil Drumm of the Drupal Security Team
o Alex Pott of the Drupal Security Team
o Andrei Mateescu
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