| From: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | John Heasman <john(at)ngssoftware(dot)com>, pgsql-bugs(at)postgresql(dot)org, dl-advisories(at)ngssoftware(dot)com |
| Subject: | Re: Privilege escalation via LOAD |
| Date: | 2005-01-24 16:34:04 |
| Message-ID: | 200501241734.05297.peter_e@gmx.net |
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| Lists: | pgsql-bugs |
Tom Lane wrote:
> John Heasman <john(at)ngssoftware(dot)com> writes:
> > It appears that low privileged users can invoke the LOAD extension
> > to load arbitrary libraries into the postgres process space.
>
> Hmm. Creating C functions is restricted to superusers, but I guess
> no one ever noticed that LOAD isn't. On a platform where that can
> execute initialization functions this does seem like a security
> issue.
I believe all ELF platforms fall into that category.
--
Peter Eisentraut
http://developer.postgresql.org/~petere/
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