Re: Side effect of CVE-2017-7484 fix?

On Mon, Oct 22, 2018 at 7:16 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
> Dilip Kumar <dilipbalaut(at)gmail(dot)com> writes:
> > As part of the security fix
> > (e2d4ef8de869c57e3bf270a30c12d48c2ce4e00c), we have restricted the
> > users from accessing the statistics of the table if the user doesn't
> > have privileges on the table and the function is not leakproof. Now,
> > as a side effect of this, if the user has the privileges on the root
> > partitioned table but does not have privilege on the child tables, the
> > user will be able to access the data of the child table but it won't
> > be able to access the statistics of the child table. This may result
> > in a bad plan.
>
> This was complained of already,
> https://www.postgresql.org/message-id/flat/3876.1531261875%40sss.pgh.pa.us
>
> regards, tom lane

Ok, I see. Thanks.

--
Regards,
Dilip Kumar
EnterpriseDB: http://www.enterprisedb.com