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Re: Scripting attacks [was Next step for draft-ietf-6man-rfc6874bis]

Brian E Carpenter <brian.e.carpenter@gmail.com> Thu, 30 June 2022 22:07 UTC

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Date: Fri, 01 Jul 2022 10:07:12 +1200
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Subject: Re: Scripting attacks [was Next step for draft-ietf-6man-rfc6874bis]
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To: Fernando Gont <fgont@si6networks.com>, Kerry Lynn <kerlyn=40ieee.org@dmarc.ietf.org>, Carsten Bormann <cabo@tzi.org>
Cc: Stuart Cheshire <cheshire@apple.com>, 6man <ipv6@ietf.org>, Bob Hinden <bob.hinden@gmail.com>
References: <164938402532.17740.11717866110301931501@ietfa.amsl.com> <11d4e419-11a9-8768-abf2-1335e5f1c3d8@gmail.com> <149924f9-da30-fa79-0509-c01c439d1796@gmail.com> <5BEFA97B-CF09-44D7-8C10-017FEAE4C3A8@tiesel.net> <e6ff75e7-b6c6-ea03-2e10-b1ad95d650f0@gmail.com> <98D15BD9-A631-4D09-AE9E-9D4C750714C9@tiesel.net> <95c82ad3-2138-ab2a-7ba5-57ad80472964@gmail.com> <E5C368C5-9DAE-4C61-ADDE-B881EA11EDA0@tiesel.net> <6968ca7b-dac3-b192-41ed-a193adab7eb4@gmail.com> <529B863C-BCC9-40C1-A5B8-B0598E7DF17C@tzi.org> <bf8c5c54-d548-a40a-0381-0583ef946f26@gmail.com> <CAPt1N1=4wbqrrzvwdr4FD7awa6pkyffhwRZC3zAWLs7uzY3BJQ@mail.gmail.com> <86509E47-77CE-4210-A1B7-C1E9955D9672@tzi.org> <CAPt1N1kYBMSA5Y7BZLMd9o96tBxFY7SrRUxb9jxfBNvBiA_OJQ@mail.gmail.com> <d3d9d68a-adff-b29b-4d1b-78f82e6bf282@gmail.com> <A2DD6902-EF02-4EA4-80D3-18820B912DF1@tzi.org> <CABOxzu1VvoGY+Lc5iw81vV+-k98YvDzSYgfzJOxt6Sc04+0+WQ@mail.gmail.com> <912de2c5-d614-f931-a607-a3669b238a1a@si6networks.com>
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
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On 01-Jul-22 05:35, Fernando Gont wrote:
> Hi, Kerry,
> 
> On 30/6/22 11:19, Kerry Lynn wrote:
> [....]
>>
>> Is it sufficient to say there are easier ways to gather LL host addresses?
>>
>> Maybe I'm missing something, but for LL address scanning mustn't the
>> attacker
>> already be on the link?
> 
> Well, if you have a JS page and you can trick the victim to visit such
> page, then the victim inadvertently becomes the attacker's on-link
> presence ;-)

Exactly. Kerry, it would take me about 15 minutes to put my javascript snippet
into a web page, and if you accessed that page it would run in your browser.
That's why it matters that it would take years rather than seconds to scan
your link-local space.

    Brian

> 
> Thanks,

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