CVE-2019-6340 Information

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Description

Some field types do not properly sanitize data from non-form sources in Drupal 8.5.x before 8.5.11 and Drupal 8.6.x before 8.6.10. This can lead to arbitrary PHP code execution in some cases. A site is only affected by this if one of the following conditions is met: The site has the Drupal 8 core RESTful Web Services (rest) module enabled and allows 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: The Drupal 7 Services module itself does not require an update at this time but you should apply other contributed updates associated with this advisory if Services is in use.)

CVSS Vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://www.securityfocus.com/bid/107106 https://www.drupal.org/sa-core-2019-003 https://www.exploit-db.com/exploits/46452/ https://www.exploit-db.com/exploits/46459/ https://www.exploit-db.com/exploits/46510/ https://www.synology.com/security/advisory/Synology_SA_19_09

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.1