Deterring Public Disclosure of Covert Actions Act of 2012 - Prohibits the receipt, retention, or other possession of a security clearance for access to classified information by any individual who: (1) serves as an officer, employee, contractor, or member of a federal advisory board, or otherwise possesses an active security clearance; (2) is known or determined to have publicly disclosed classified details relating to a covert action; and (3) makes such disclosure or discusses such details without prior authorization from an original classification authority.