MySQL 5.0.18 allows local users with access to a VIEW to obtain sensitive information via the "SELECT * FROM information_schema.views;" query, which returns the query that created the VIEW. NOTE: this issue has been disputed by third parties, saying that the availability of the schema is a normal and sometimes desired aspect of database access
http://www.securityfocus.com/archive/1/423432/100/0/threaded
http://www.securityfocus.com/archive/1/423228/100/0/threaded
http://www.securityfocus.com/archive/1/423204/100/0/threaded
http://www.securityfocus.com/archive/1/423180/30/7310/threaded
http://www.securityfocus.com/archive/1/422698/100/0/threaded
http://www.securityfocus.com/archive/1/422592/100/0/threaded
http://www.securityfocus.com/archive/1/422491/100/0/threaded