SA-CONTRIB-2013-039 - Commons Wikis - Access bypass & Privilege escalation

The Drupal Commons distribution is a tool for building social, group-based collaboration communities. The Commons Wikis module is used by the distribution to provide specific wiki functionality.

Versions 3.0 and earlier of the Commons Wikis module is vulnerable to an access bypass and privilege escalation vulnerability that allows anonymous users to post content into groups.

CVE identifier(s) issued

• CVE-2013-1908

Versions affected

• Drupal Commons and Commons Wikis versions prior to 7.x-3.1.

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

Solution

Install the latest version:

• If you use Commons Wikis module upgrade to Commons Wikis 7.x-3.1 or install the latest version of the Drupal Commons distribution (7.x-3.1) which will include the fix for Commons Wikis

Also see the Commons Wikis project page.

Reported by

Commons project maintainers:

• Jakob Perry
• Joseph Pontani
• Ezra Gildesgame

Fixed by

Commons project maintainers:

• Jakob Perry
• Joseph Pontani
• Ezra Gildesgame

Coordinated by

• Greg Knaddison of the Drupal Security Team
• Ben Jeavons of the Drupal Security Team