Re: CVE-2013-1899 security issue and limited IP addresses in pg_hba.conf

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Mads(dot)Tandrup(at)schneider-electric(dot)com
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: CVE-2013-1899 security issue and limited IP addresses in pg_hba.conf
Date: 2013-04-04 16:44:37
Message-ID: 20130404164437.GB13856@momjian.us
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On Thu, Apr 4, 2013 at 06:39:22PM +0200, Mads(dot)Tandrup(at)schneider-electric(dot)com wrote:
> Hi All
>
> I'm trying to understand the implications of the latest security fix to
> postgresql [1].
>
> We have a setup were we in pg_hba.conf have limited the allowed IP addresses of
> the clients. But does anyone know if CVE-2013-1899 allows an arbitrary attacker
> to use the exploits described in [1]?

Yes, if you were running 9.0+. pg_hba.conf does not limit access
sufficiently, though listen_addresses does.

> We are using PostgreSQL 8.4.

8.4 does not contain the bug.

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

+ It's impossible for everything to be true. +

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