From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: ALTER ROLE/DATABASE RESET ALL versus security |
Date: | 2010-02-19 18:41:16 |
Message-ID: | 20100219184116.GE5735@alvh.no-ip.org |
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Lists: | pgsql-hackers |
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.
--
Alvaro Herrera http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.
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