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

On Wed, Oct 24, 2018 at 04:01:29PM -0400, Robert Haas wrote:
> On Mon, Oct 22, 2018 at 9:47 AM 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
>
> I guess you never followed up on that part, though. Any special
> reason for that, or just lack of round tuits?

Should this be added as a TODO item?

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Bruce Momjian <bruce(at)momjian(dot)us> https://momjian.us
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