Re: [quicwg/base-drafts] Add initial threat model to security considerations (#2925)

Eric Kinnear <notifications@github.com> Sat, 16 November 2019 12:50 UTC

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Date: Sat, 16 Nov 2019 04:50:10 -0800
From: Eric Kinnear <notifications@github.com>
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Subject: Re: [quicwg/base-drafts] Add initial threat model to security considerations (#2925)
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erickinnear commented on this pull request.



> +- Reorder packets
+- Drop packets
+- Split and merge datagrams along packet boundaries
+
+An on-path attacker cannot:
+
+- Modify an authenticated and encrypted portion of a packet and cause the
+ recipient to accept that packet
+
+An on-path attacker has the opportunity to modify the packets that it observes,
+however any modifications to an authenticated portion of a packet will cause it
+to be dropped by the receiving endpoint as invalid, as QUIC payloads are both
+authenticated and encrypted.
+
+In the presence of an on-path attacker, QUIC aims to provide the following
+properties.

Fixed everywhere in 70dac1d

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