By default, public can execute the file access functions such as lotofile, filetoclob, and ifx_file_to_file. This can allow attackers to read and write files on the server. To help resolve this security hole, create a role called FileAccess and assign only those users that require file access, as a strict business requirement, membership of this role. Then assign this role the execute permission on the file access routines and revoke the execute permission from public.
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