SA-CONTRIB-2013-038 - Commons Groups - Access bypass & Privilege escalation

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

Versions 3.0 and earlier of the Commons Groups 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-2013-1907

Versions affected

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

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

Solution

Install the latest version:

• If you use Commons Groups module upgrade to Commons Groups 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 Groups

Also see the Commons Groups project page.

Reported by

Commons project maintainers:

• Joseph Pontani
• Jakob Perry
• Ezra Gildesgame

Fixed by

Commons project maintainers:

• Joseph Pontani
• Jakob Perry
• Ezra Gildesgame

Coordinated by

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