[Security-news] Facebook Like Button - Moderately Critical - XSS - DRUPAL-SA-CONTRIB-2017-066

[security-news at drupal.org]

View online: https://www.drupal.org/node/2900966

   * Advisory ID: DRUPAL-SA-CONTRIB-2014-0XX
   * Project: Facebook Like Button [1]     (third-party module)
   * Version: 7.x
   * Date: 2017-August-09
   * Security risk: 13/25 ( Moderately Critical)
     AC:Basic/A:Admin/CI:Some/II:Some/E:Theoretical/TD:All [2]
   * Vulnerability: Cross Site Scripting

-------- DESCRIPTION
---------------------------------------------------------

This module provides a Facebook Like button on node pages and blocks.
The module does not sufficiently sanitize output when configured to use
custom css rules.
This vulnerability is mitigated by the fact that an attacker must have a role
with the permission "administer fblikebutton".


-------- CVE IDENTIFIER(S) ISSUED
--------------------------------------------

   * /A CVE identifier [3] will be requested, and added upon issuance, in
     accordance with Drupal Security Team processes./

-------- VERSIONS AFFECTED
---------------------------------------------------

   * Facebook Like Button 7.x-2.x versions prior to 7.x-2.6.

Drupal core is not affected. If you do not use the contributed Facebook Like
Button [4] module, there is nothing you need to do.

-------- SOLUTION
------------------------------------------------------------

Install the latest version:

   * If you use the fblikebutton module for Drupal 7.x, upgrade to  Facebook
     like button 7.x-2.6 [5]

Also see the Facebook Like Button [6] project page.

-------- REPORTED BY
---------------------------------------------------------

   * Tatar Balazs Janos [7]

-------- FIXED BY
------------------------------------------------------------

   * Tatar Balazs Janos [8]
   * Getulio Sánchez [9] The module maintainer

-------- COORDINATED BY
------------------------------------------------------

   * Michael Hess [10] of the Drupal Security Team
   * David Snopek [11] 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 [12].

Learn more about the Drupal Security team and their policies [13], writing
secure code for Drupal [14], and  securing your site [15].

Follow the Drupal Security Team on Twitter at
https://twitter.com/drupalsecurity [16]


[1] https://www.drupal.org/project/fblikebutton
[2] https://www.drupal.org/security-team/risk-levels
[3] http://cve.mitre.org/
[4] https://www.drupal.org/project/fblikebutton
[5] https://www.drupal.org/project/fblikebutton/releases/7.x-2.6
[6] https://www.drupal.org/project/fblikebutton
[7] https://www.drupal.org/u/tatarbj
[8] https://www.drupal.org/u/tatarbj
[9] https://www.drupal.org/user/3101285
[10] https://www.drupal.org/u/mlhess
[11] https://www.drupal.org/u/dsnopek
[12] https://www.drupal.org/contact
[13] https://www.drupal.org/security-team
[14] https://www.drupal.org/writing-secure-code
[15] https://www.drupal.org/security/secure-configuration
[16] https://twitter.com/drupalsecurity