Hi Bastien,
please try to avoid spamming the mailing list with lots of single-line responses
on a single day, thanks.
On Mon, Aug 22, 2022 at 07:53:00PM +0200, Bastien Baranoff wrote:
What you are describing is a classic GSM man-in-the-middle attack,
combined with a 4G->2G downgrade. I don't see what is new here. It's
how MITM on 2G has operated basically forever: You can just 1:1 forward
the authentication, but need to crack the Kc before you can talk
encrypted from your virtual MS to the real BTS.
--
- Harald Welte <laforge(a)osmocom.org>
http://laforge.gnumonks.org/
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