Re: ALTER ROLE/DATABASE RESET ALL versus security

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: ALTER ROLE/DATABASE RESET ALL versus security
Date: 2010-02-27 03:38:49
Message-ID: 201002270338.o1R3cnB28008@momjian.us
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

Alvaro Herrera wrote:
> Tom Lane wrote:
> > Alvaro Herrera <alvherre(at)commandprompt(dot)com> writes:
> > > Tom Lane wrote:
> > >> It looks to me like the code in AlterSetting() will allow an ordinary
> > >> user to blow away all settings for himself. Even those that are for
> > >> SUSET variables and were presumably set for him by a superuser. Isn't
> > >> this a security hole? I would expect that an unprivileged user should
> > >> not be able to change such settings, not even to the extent of
> > >> reverting to the installation-wide default.
> >
> > > Yes, it is, but this is not a new hole. This works just fine in 8.4
> > > too:
> >
> > So I'd argue for changing it in 8.4 too.
>
> Understood. I'm starting to look at what this requires.

Any progress on this?

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
PG East: http://www.enterprisedb.com/community/nav-pg-east-2010.do
+ If your life is a hard drive, Christ can be your backup. +

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Greg Stark 2010-02-27 03:40:57 Re: Hot Standby query cancellation and Streaming Replication integration
Previous Message Bruce Momjian 2010-02-27 03:29:30 Re: plpgsql: numeric assignment to an integer variable errors out