Horton

Re: Addressing SECURITY DEFINER Function Vulnerabilities in PostgreSQL Extensions

Ashutosh Sharma <ashu.coek88@gmail.com>

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From: Ashutosh Sharma <ashu.coek88@gmail.com>
To: Alexander Kukushkin <cyberdemn@gmail.com>
Cc: Jelte Fennema-Nio <postgres@jeltef.nl>, Jeff Davis <pgsql@j-davis.com>, Ashutosh Bapat <ashutosh.bapat.oss@gmail.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2024-06-11T13:27:16Z
Lists: pgsql-hackers 
Hi Alexander,

On Tue, Jun 11, 2024 at 6:26 PM Alexander Kukushkin <cyberdemn@gmail.com> wrote:
>
> Hi,
>
> On Tue, 11 Jun 2024 at 14:50, Ashutosh Sharma <ashu.coek88@gmail.com> wrote:
>>
>> If the author has configured the search_path for any desired function,
>> using this option with the CREATE EXTENSION command will not affect
>> those functions.
>
>
> Then effectively this feature is useless.
> Now attackers can just set search_path for the current session.
> With this feature they will also be able to influence search_path of not protected functions when they create an extension.
>

Apologies for any confusion, but I'm not entirely following your
explanation. Could you kindly provide further clarification?
Additionally, would you mind reviewing the problem description
outlined in the initial email?

--
With Regards,
Ashutosh Sharma.