Oracle Forms 4.5, 6.0, 6i, and 9i on Unix, when a large number of records are retrieved by an Oracle form, stores a copy of the database tables in a world-readable temporary file, which allows local users to gain sensitive information such as credit card numbers.
https://exchange.xforce.ibmcloud.com/vulnerabilities/21347
http://www.red-database-security.com/advisory/oracle_forms_unsecure_temp_file_handling.html
http://www.oracle.com/technology/deploy/security/pdf/cpujul2005.html