The Spaces module 6.x-3.x before 6.x-3.4 for Drupal does not enforce permissions on non-object pages, which allows remote attackers to obtain sensitive information and possibly have other impacts via unspecified vectors to the (1) Spaces or (2) Spaces OG module.
http://www.securityfocus.com/bid/53252
http://www.openwall.com/lists/oss-security/2012/05/03/2
http://www.openwall.com/lists/oss-security/2012/05/03/1
http://secunia.com/advisories/48930