SMTP - Moderately Critical - Information Disclosure - SA-CONTRIB-2017-055

• Advisory ID: DRUPAL-SA-CONTRIB-2017-055
• Project: SMTP Authentication Support (third-party module)
• Version: 7.x, 8.x
• Date: 2017-June-28
• Security risk: 10/25 ( Moderately Critical) AC:Complex/A:None/CI:Some/II:None/E:Theoretical/TD:Uncommon
• Vulnerability: Information Disclosure

Description

This SMTP module enables you to send mail using a third party (non-system) mail service instead of the local system mailer included with Drupal. When this module is in debugging mode, it will log privileged information.

CVE identifier(s) issued

• A CVE identifier will be requested, and added upon issuance, in accordance with Drupal Security Team processes.

Versions affected

• smtp 8.x-1.x versions prior to 8.x-1.0-beta3.
• smtp 7.x-1.x versions prior to 7.x-1.7.

Drupal core is not affected. If you do not use the contributed SMTP Authentication Support module, there is nothing you need to do.

Solution

Install the latest version:

• If you use the smtp module for Drupal 8.x, upgrade to smtp 8.x-1.0-beta3
• If you use the smtp module for Drupal 7.x, upgrade to smtp 7.x-1.7

Also see the SMTP Authentication Support project page.

Reported by

• Baysaa of the Drupal Security Team

Fixed by

• Fabiano Sant'Ana the module maintainer
• José San Martin the module maintainer
• David Snopek of the Drupal Security Team
• Cash Williams of the Drupal Security Team
• Michael Hess of the Drupal Security Team

Coordinated by

• Michael Hess of the Drupal Security Team

Contact and More Information

The Drupal security team can be reached at security at drupal.org or via the contact form at https://www.drupal.org/contact.

Learn more about the Drupal Security team and their policies, writing secure code for Drupal, and securing your site.

Follow the Drupal Security Team on Twitter at https://twitter.com/drupalsecurity