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Date: Wed,  7 Aug 2013 18:57:32 +0000 (UTC)
Subject: [Security-news] SA-CONTRIB-2013-064 - Persona -
	Cross site request	forgery (CSRF)

View online:

  * Advisory ID: DRUPAL-SA-CONTRIB-2013-064
  * Project: Mozilla Persona [1] (third-party module)
  * Version: 7.x
  * Date: 2013-August-07
  * Security risk: Less critical [2]
  * Exploitable from: Remote
  * Vulnerability: Cross Site Request Forgery

-------- DESCRIPTION  

This module enables users to sign into a Drupal website using Mozilla Persona

The module uses a security token to ensure that a sign-in request is made
from a web page that is participating in the current session. It was possible
for a security token that was not of type "string" to be accepted as correct
regardless of it's value, thereby bypassing the protection against cross site
request forgery.

This vulnerability is mitigated by the fact that an attacker can only cause a
victim to become signed in to an account that the attacker already has the
ability to sign in to.


  * /A CVE identifier [4] will be requested, and added upon issuance, in
    accordance with Drupal Security Team processes./


  * Persona 7.x-1.x versions prior to 7.x-1.11

Drupal core is not affected. If you do not use the contributed Mozilla
Persona [5] module, there is nothing you need to do.

-------- SOLUTION  

Install the latest version:

  * If you use the Mozilla Persona module for Drupal 7.x, upgrade to Persona
    7.x-1.11 [6]

Also see the Mozilla Persona [7] project page.

-------- REPORTED BY  

  * Heine Deelstra [8] of the Drupal Security Team

-------- FIXED BY  

  * Jonathan Brown [9], the module maintainer


  * Heine Deelstra [10] of the Drupal Security Team


The Drupal security team can be reached at security at or via the
contact form at [11].

Learn more about the Drupal Security team and their policies [12], writing
secure code for Drupal [13], and securing your site [14].


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