full-disclosure - Re: [FD] OpenSSH keyboard-interactive authentication brute force vulnerability (MaxAuthTries bypass)

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Message-ID: <CALPTtNXoCq5azD8ArePA1ZL-=vki0gEECeHJFRHcVgatv22G6A@mail.gmail.com>
Date: Sat, 18 Jul 2015 14:23:40 -0700
From: Reed Loden <reed@...dloden.com>
To: "fulldisclosure@...lists.org" <fulldisclosure@...lists.org>
Subject: Re: [FD] OpenSSH keyboard-interactive authentication brute force
 vulnerability (MaxAuthTries bypass)

On Friday, July 17, 2015, <devel@...soft.ltd.uk> wrote:

> Do you know if this is still affected if you have fail2ban in place.
> Fail2ban uses the auth logs to monitor failed password attempts. I
> assume that the auth log is still updated even if x number of attempts
> is allowed. Thanks

http://www.reddit.com/r/netsec/comments/3dnzcq/openssh_keyboardinteractive_authentication_brute/ct726ni
 goes over this question pretty well, so as not to rehash everything.

~reed

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