Re: FPW compression leaks information - Mailing list pgsql-hackers

From Heikki Linnakangas
Subject Re: FPW compression leaks information
Date
Msg-id 552B1008.8020007@iki.fi
Whole thread Raw
In response to Re: FPW compression leaks information  (Robert Haas <robertmhaas@gmail.com>)
Responses Re: FPW compression leaks information
Re: FPW compression leaks information
Re: FPW compression leaks information
List pgsql-hackers
On 04/10/2015 05:17 AM, Robert Haas wrote:
> On Apr 9, 2015, at 8:51 PM, Heikki Linnakangas <hlinnaka@iki.fi> wrote:
>> What should we do about this?
>
> I bet that there are at least 1000 covert channel attacks that are more practically exploitable than this.

Care to name some? This is certainly quite cumbersome to exploit, but 
it's doable.

We've talked a lot about covert channels and timing attacks on RLS, but 
this makes me more worried because you can attack passwords stored in 
pg_authid.

- Heikki




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