[Arm-netbook] 2 ideas

Luke Kenneth Casson Leighton lkcl at lkcl.net
Tue Aug 2 14:16:05 BST 2016


---
crowd-funded eco-conscious hardware: https://www.crowdsupply.com/eoma68


On Tue, Aug 2, 2016 at 10:36 AM, Christian Kellermann
<ckeen at pestilenz.org> wrote:
> * Luke Kenneth Casson Leighton <lkcl at lkcl.net> [160730 19:41]:
>> On Sat, Jul 30, 2016 at 6:28 PM, Luke Kenneth Casson Leighton
>> <lkcl at lkcl.net> wrote:
>>
>> >>> http://rhombus-tech.net/community_ideas/hybrid_phone/ lot happening in
>> >>> a very short amount of time.  this proposed phone design has a
>> >>> hardware kill-switch on the modem.  cuts the power entirely.
>> >>
>> >> It would be great, if this could be come to life too.
>> >
>> >  working on it.  slowly.  one thing at a time.
>>
>>  btw, one of the reasons for starting a smart-ish phone with a hard
>> kill switch on the modem is down to a story where i accidentally found
>> out that there are over-the-air arbitrary remote code execution paths
>> in these modems.
>>
>>  i had been asked by dr stallman to investigate the possibility of
>> hard-disabling firmware updates in a 3G modem.  the sales person that
>> i spoke to *misunderstood* my enquiry, and accidentally answered the
>> question "is it possible for governments or other third parties to
>> arbitrarily load and run executables over-the-air without the
>> end-user's knowledge?" with an implicit "yes".
>>
>
> This is part of the GSM standard. The SIMs need to be able to run Java
> applets insider their processor. Allowing the tracking of the device
> amongst other things. This has been made public in 2013:

 jaezuss.  ok thank you.

> https://media.ccc.de/v/30C3_-_5449_-_en_-_saal_1_-_201312271715_-_mobile_network_attack_evolution_-_karsten_nohl_-_luca_melette
>
> Kind regards,
>
> Christian
>
> --
> May you be peaceful, may you live in safety, may you be free from
> suffering, and may you live with ease.
>
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