On Sat, Feb 18, 2017 at 11:57 PM, Petr Jelinek
<petr.jeli...@2ndquadrant.com> wrote:
> On 15/02/17 05:56, Michael Paquier wrote:
>> I thought that this was correctly clobbered... But... No that's not
>> the case by looking at the code. And honestly I think that it is
>> unacceptable to show potentially security-sensitive information in
>> system catalogs via a connection string. We are really careful about
>> not showing anything bad in pg_stat_wal_receiver, which also sets to
>> NULL fields for non-superusers and even clobbered values in the
>> printed connection string for superusers, but pg_subscription fails on
>> those points.
>>
>
> I am not following here, pg_subscription is currently superuser only
> catalog, similarly to pg_user_mapping, there is no leaking.

Even if it is a superuser-only view, pg_subscription does not hide
sensitive values in connection strings while it should. See similar
discussion for pg_stat_wal_receiver here which is also superuser-only
(it does display null values for non-superusers):
https://www.postgresql.org/message-id/562f6c7f-6a47-0a8a-e189-2de9ea896...@2ndquadrant.com
Something needs to be done at least for that, independently on the
psql completion.
-- 
Michael


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