The ZipCart module 6.x before 6.x-1.4 for Drupal checks the "access content" permission instead of the "access ZipCart downloads" permission when building archives, which allows remote authenticated users with access content permission to bypass intended access restrictions.
https://exchange.xforce.ibmcloud.com/vulnerabilities/73609
https://drupal.org/node/1461446
https://drupal.org/node/1460892
http://www.securityfocus.com/bid/52231
http://www.openwall.com/lists/oss-security/2012/04/07/1
http://drupalcode.org/project/zipcart.git/commitdiff/fe143c2