CDC feature is only available in Talend subscription product, which can capture the data changes in the source table, and then you are able to synchronize these change data to target application.
Have you already checked document about:TalendHelpCenter:CDC+architectural+overview?
What we can do is to make sure that Talend will be your best choice!
Hachi, Have you finally solved this Oracle CDC scenario ?, Could you please indicate the version of your Oracle RDMS ?; you can achieve that scenario using a simple route in Open Studio ESB and a tiny configuration within your Database, please let me know if you are still dealing with this.