Re: cve-2017-13077 - WPA2 security vulni

Hi Adrian!

How big effort is to update he in-tree wpa_supplicant/hostapd to the
latest supported version?
Is there any known regression / feature loss when do the upgrade?

On 10/16/17, Adrian Chadd <adrian.chadd_at_gmail.com> wrote:
> Right, there are backported patches against 2.6, but we're running 2.5
> in contrib/ .
>
> This is all "I'm out of time right now", so if someone wants to do the
> ports work and/or the contrib work with the patches for this vuln then
> please do. I should be able to get to it in the next few days but I'm
> busy with family and employment.
>
>
>
> -adrian
>
>
> On 16 October 2017 at 10:19, Kevin Oberman <rkoberman_at_gmail.com> wrote:
>> On Mon, Oct 16, 2017 at 8:55 AM, Adrian Chadd <adrian.chadd_at_gmail.com>
>> wrote:
>>>
>>> hi,
>>>
>>> I got the patches a couple days ago. I've been busy with personal life
>>> stuff so I haven't updated our in-tree hostapd/wpa_supplicant. If
>>> someone beats me to it, great, otherwise I'll try to do it in the next
>>> couple days.
>>>
>>> I was hoping (!) for a hostap/wpa_supplicant 2.7 update to just update
>>> everything to but so far nope. It should be easy enough to update the
>>> port for now as it's at 2.6.
>>>
>>>
>>>
>>> -adrian
>>>
>>>
>>> On 16 October 2017 at 06:04, Cy Schubert <Cy.Schubert_at_komquats.com>
>>> wrote:
>>> > In message <44161b4d-f834-a01d-6ddb-475f208762f9_at_FreeBSD.org>, Lev
>>> > Serebryakov
>>> > writes:
>>> >> On 16.10.2017 13:38, blubee blubeeme wrote:
>>> >>
>>> >> > well, that's a cluster if I ever seen one.
>>> >>  It is really cluster: CVE-2017-13077, CVE-2017-13078,
>>> >> CVE-2017-13079,
>>> >> CVE-2017-13080, CVE-2017-13081, CVE-2017-13082, CVE-2017-13084,
>>> >> CVE-2017-13086,CVE-2017-13087, CVE-2017-13088.
>>> >
>>> > The gory details are here:
>>> > https://w1.fi/security/2017-1/wpa-packet-number-reuse-with-replayed-messages.txt
>>> >
>>> > The announcement is here:
>>> > https://www.krackattacks.com/
>>> >
>>> >
>>> > --
>>> > Cheers,
>>> > Cy Schubert <Cy.Schubert_at_cschubert.com>
>>> > FreeBSD UNIX:  <cy_at_FreeBSD.org>   Web:  http://www.FreeBSD.org
>>> >
>>> >         The need of the many outweighs the greed of the few.
>>> >
>>
>>
>> While I do not encourage waiting, it is quite likely that the upstream
>> patch
>> wil show up very soon now that the vulnerability is public.
>>
>> It's also worth noting that fixing either end of the connection is all
>> that
>> is required, as I understand it. So getting an update for your AP is not
>> required. That is very fortunate as the industry has a rather poor record
>> of
>> getting out firmware updates for hardware more than a few months old.
>> Also,
>> it appears that Windows and iOS are not vulnerable due to flaws in their
>> implementation of the WPA2 spec. (Of course, if you update your AP(s),
>> you
>> no longer need to worry about your end devices.
>> --
>> Kevin Oberman, Part time kid herder and retired Network Engineer
>> E-mail: rkoberman_at_gmail.com
>> PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683
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