[Bug 2547] ssh-ext-info: missing server signature algorithms

[bugzilla-daemon at bugzilla.mindrot.org]

https://bugzilla.mindrot.org/show_bug.cgi?id=2547

Nuno Goncalves <nunojpg at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |nunojpg at gmail.com
         Resolution|FIXED                       |---
             Status|RESOLVED                    |REOPENED

--- Comment #3 from Nuno Goncalves <nunojpg at gmail.com> ---
I believe the commit to fix this have created a regression:

OpenSSH 7.3p1:
debug1: kex_input_ext_info: server-sig-algs=<rsa-sha2-256,rsa-sha2-512>

OpenSSH 7.4p1:
debug1: kex_input_ext_info:
server-sig-algs=<ssh-ed25519,ssh-rsa,ssh-dss,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521>

This former two algs, which worked, are now no longer list as supported
and the client ends up using ssh-rsa.

I've tried to hardcode at least rsa-sha2-256 back again and it works on
the client.

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