Drupal Security Advisory

Number: AV18-033
Date: 22 February 2018


The purpose of this advisory is to bring attention to a Drupal security advisory.


Drupal has released updates to address multiple security vulnerabilities. Exploitation of these vulnerabilities may allow an attacker to bypass certain security restrictions and perform unauthorized actions.

Affected Versions:
- Drupal 7.x versions prior to 7.57
- Drupal 8.x versions prior to 8.4.5

Suggested action

CCIRC recommends that owners/operators test and deploy the vendor released update or workaround to affected platforms accordingly.



Note to Readers

In support of Public Safety's mission to build a safe and resilient Canada, CCIRC's mandate is to help ensure the security and resilience of the vital non-federal government cyber systems that underpin Canada's national security, public safety and economic prosperity. As Canada's computer security incident response team, CCIRC is Canada's national coordination centre for the prevention and mitigation of, preparedness for, response to, and recovery from cyber incidents on non-federal government systems. It does this by providing authoritative advice and support, and coordinating information sharing and incident response.

Please note, CCIRC PGP key has recently been updated.

For general information, please contact Public Safety Canada's Public Affairs division at:

Telephone: 613-944-4875 or 1-800-830-3118
Fax: 613-998-9589
E-mail: ps.communications-communications.sp@canada.ca

Date modified: