SA-CONTRIB-2014-113 – Secure Password Hashes – Denial of Service

Advisory ID: DRUPAL-SA-CONTRIB-2014-113
Project: Secure Password Hashes (third-party module)
Version: 6.x
Date: 2014-11-19
Security risk: 11/25 ( Moderately Critical) AC:Basic/A:None/CI:None/II:None/E:Proof/TD:All
Vulnerability: Denial of Service

Description

This module enables a more secure password storage for Drupal 6 by back-porting the code used in Drupal 7 core.

A vulnerability in this API allows an attacker to send specially crafted requests resulting in CPU and memory exhaustion. This may lead to the site becoming unavailable or unresponsive (denial of service).

This vulnerability can be exploited by anonymous users

CVE identifier(s) issued

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

Versions affected

Secure Password Hashes 6.x-2.x versions prior to 6.x-2.1.

Drupal core is not affected. If you do not use the contributed Secure Password Hashes module,
there is nothing you need to do.

Solution

Install the latest version:

If you use the Secure Password Hashes module for Drupal 6.x, upgrade to Secure Password Hashes 6.x-2.1

Also see the Secure Password Hashes project page.

Reported by

Fixed by

Peter Wolanin the module maintainer and Drupal Security Team member

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

Drupal version:

Drupal 6.x

007 Software