git: 19261079b743 - main - openssh: update to OpenSSH v8.7p1
Guido Falsi
madpilot at FreeBSD.org
Thu Sep 9 11:24:12 UTC 2021
On 08/09/21 03:07, Ed Maste wrote:
> The branch main has been updated by emaste:
>
> URL: https://cgit.FreeBSD.org/src/commit/?id=19261079b74319502c6ffa1249920079f0f69a72
>
> commit 19261079b74319502c6ffa1249920079f0f69a72
> Merge: c5128c48df3c 66719ee573ac
> Author: Ed Maste <emaste at FreeBSD.org>
> AuthorDate: 2021-09-08 01:05:51 +0000
> Commit: Ed Maste <emaste at FreeBSD.org>
> CommitDate: 2021-09-08 01:05:51 +0000
>
> openssh: update to OpenSSH v8.7p1
>
> Some notable changes, from upstream's release notes:
>
> - sshd(8): Remove support for obsolete "host/port" syntax.
> - ssh(1): When prompting whether to record a new host key, accept the key
> fingerprint as a synonym for "yes".
> - ssh-keygen(1): when acting as a CA and signing certificates with an RSA
> key, default to using the rsa-sha2-512 signature algorithm.
> - ssh(1), sshd(8), ssh-keygen(1): this release removes the "ssh-rsa"
> (RSA/SHA1) algorithm from those accepted for certificate signatures.
> - ssh-sk-helper(8): this is a new binary. It is used by the FIDO/U2F
> support to provide address-space isolation for token middleware
> libraries (including the internal one).
> - ssh(1): this release enables UpdateHostkeys by default subject to some
> conservative preconditions.
> - scp(1): this release changes the behaviour of remote to remote copies
> (e.g. "scp host-a:/path host-b:") to transfer through the local host
> by default.
> - scp(1): experimental support for transfers using the SFTP protocol as
> a replacement for the venerable SCP/RCP protocol that it has
> traditionally used.
>
> Additional integration work is needed to support FIDO/U2F in the base
> system.
>
> Deprecation Notice
> ------------------
>
> OpenSSH will disable the ssh-rsa signature scheme by default in the
> next release.
>
> Reviewed by: imp
> MFC after: 1 month
> Relnotes: Yes
> Sponsored by: The FreeBSD Foundation
> Differential Revision: https://reviews.freebsd.org/D29985
>
While upgrading my current machines I encountered an issue with pam_ssh
which seems to be caused by this update.
I filed a bug report with all the details:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=258384
Could you take a look?
Seems to be caused by the ssh code trying to call a function available
only when FIDO/U2F support is enabled, which is not the case in our
source base.
I tried a quick fix by adding some ifdefs, but it failed to make it
work, I'm still trying to find a solution myself.
--
Guido Falsi <madpilot at FreeBSD.org>
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