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freebsd
GitHub Repository: freebsd/freebsd-doc
Path: blob/main/website/content/en/status/report-2021-07-2021-09/openssh.adoc
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=== Base System OpenSSH Update

Links: +
link:https://www.openssh.com/[OpenSSH] URL: link:https://www.openssh.com/[https://www.openssh.com/] +
link:https://lists.freebsd.org/pipermail/freebsd-security/2021-September/010473.html[Announcement to freebsd-security@] URL: link:https://lists.freebsd.org/pipermail/freebsd-security/2021-September/010473.html[https://lists.freebsd.org/pipermail/freebsd-security/2021-September/010473.html]

Contact: Ed Maste <[email protected]>

OpenSSH, a suite of remote login and file transfer tools, was updated from
version 7.9p1 to 8.7p1 in the FreeBSD base system.

FreeBSD base OpenSSH includes a number of local bug fixes, configuration
changes, and small features.  As part of the work for this update, I submitted
some of these upstream and am preparing to do the same with the remaining
changes.

OpenSSH now supports
link:https://en.wikipedia.org/wiki/FIDO2_Project[FIDO]/link:https://en.wikipedia.org/wiki/Universal_2nd_Factor[U2F]
devices, although additional work is required to enable this in the FreeBSD base
system.  This includes importing a pair of dependencies:
https://github.com/PJK/libcbor[libcbor], and
https://github.com/Yubico/libfido2[libfido2].  Within the next couple of months
I expect to import these, enable FIDO/U2F support, and update to OpenSSH version
8.8p1.

*NOTE*:
OpenSSH 8.8p1 will disable the ssh-rsa signature scheme by default, so
some additional work is required for this next update.  For more information
please see the
link:https://lists.freebsd.org/pipermail/freebsd-security/2021-September/010473.html[Important
note for future FreeBSD base system OpenSSH update] mailing list post.

Sponsor: The FreeBSD Foundation