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Re: [Full-disclosure] MySQL Local/Remote FAST Account Password Cracking
- To: king cope <isowarez.isowarez.isowarez@xxxxxxxxxxxxxx>
- Subject: Re: [Full-disclosure] MySQL Local/Remote FAST Account Password Cracking
- From: Jeffrey Walton <noloader@xxxxxxxxx>
- Date: Tue, 4 Dec 2012 14:18:42 -0500
On Mon, Dec 3, 2012 at 1:13 PM, king cope
<isowarez.isowarez.isowarez@xxxxxxxxxxxxxx> wrote:
> ...
> Since the SALT does not change (and this is the weak point) in the
> change_user command
> it is a convenient way to crack passwords. (When connecting to mysql
> in each connection
> attempt the SALT is always different and sent out by the server).
> ...
Somewhat relevant here.... Salt has been recently shown to be a good
thing: "Multi-Instance Security and
its Application to Password-Based Cryptography"
(http://eprint.iacr.org/2012/196.pdf).
Jeff
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