Re: [HACKERS] Possible make_oidjoins_check Security Issue

Bruce Momjian <pgman@candle.pha.pa.us>

From: Bruce Momjian <pgman@candle.pha.pa.us>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Neil Conway <neilc@samurai.com>, Rod Taylor <pg@rbt.ca>, PostgreSQL-patches <pgsql-patches@postgresql.org>
Date: 2004-11-03T23:42:25Z
Lists: pgsql-hackers
Tom Lane wrote:
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> >> I think Tom's fix adequately addresses the security concerns. Exactly
> >> what is wrong with writing to the current working directory?
> 
> > Because it could be run from a directory where others have write
> > permission.
> 
> In which case, they could also change the findoidjoins script itself.
> I think your fix is *less* secure than what you replaced.
> 
> However, I've already wasted more than enough time on this issue...
> I'm done arguing about it.

As far as I know, my method is the only secure method.  If I am wrong I
would like to know.

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