[Battlemesh] Leaking remembered WiFi networks

Mitar mitar at tnode.com
Thu Sep 19 06:19:00 UTC 2013


Hi!

I found this paper:

http://www.winlab.rutgers.edu/~janne/MSR-TR-2009-7.pdf

Still, why would anyone announce those networks automatically back to
the user? Is there any legitimate use case of that? Do some enterprise
grade APs do that?


Mitar

> When you activate a WIFI scanner, you might see some Smartphones
> sending proactive probe-requests for ALL networks they have ever seen
> out from time to time.
> 
> Quite a bit of "privacy break". ^^
> 
> Henning
> 
> On Thu, Sep 19, 2013 at 6:39 AM, Mitar <mitar at tnode.com> wrote:
>> Hi!
>>
>> I remember that WiFi clients broadcast known/remembered WiFi networks?
>> But I cannot find any more information about this "feature". Does
>> anybody know about this?
>>
>> Because I was at one conference now and it was happening that when I
>> scanned around, I got in the list of known networks many my past known
>> networks, despite being in completely other part of the world. And this
>> was happening to other people. So it looks quite suspicious.
>>
>>
>> Mitar
>>
>> --
>> http://mitar.tnode.com/
>> https://twitter.com/mitar_m
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> 
> 
> 

-- 
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