SA-CONTRIB-2012-058 - Fivestar - Input Validation

CVE: CVE-2012-2096

The Fivestar module enables you to add a voting widget to nodes and comments.

The module does not sufficiently validate all votes passed by the asynchronous voting widget allowing a malicious user to improperly modify voting averages.

Versions affected

• Fivestar 6.x-1.x versions prior to 6.x-1.20

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

Solution

Install the latest version:

• If you use the Fivestar module for Drupal 6.x, upgrade to Fivestar 6.x-1.20

Also see the Fivestar project page.

Reported by

• Ezra Barnett Gildesgame

Fixed by

• Eric J. Duran, the module maintainer

Coordinated by

• Ben Jeavons of the Drupal Security Team
• Michael Hess of the Drupal Security Team