ssh: Update to OpenSSH 9.7p1

This release contains mostly bugfixes.

It also makes support for the DSA signature algorithm a compile-time
option, with plans to disable it upstream later this year an

ssh: Update to OpenSSH 9.7p1

This release contains mostly bugfixes.

It also makes support for the DSA signature algorithm a compile-time
option, with plans to disable it upstream later this year and remove
support entirely in 2025.

Full release notes at https://www.openssh.com/txt/release-9.7

Relnotes: Yes
Sponsored by: The FreeBSD Foundation

(cherry picked from commit a91a246563dffa876a52f53a98de4af9fa364c52)

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ssh: Update to OpenSSH 9.6p1

From the release notes,

> This release contains a number of security fixes, some small features
> and bugfixes.

The most significant change in 9.6p1 is a set of fixes

ssh: Update to OpenSSH 9.6p1

From the release notes,

> This release contains a number of security fixes, some small features
> and bugfixes.

The most significant change in 9.6p1 is a set of fixes for a newly-
discovered weakness in the SSH transport protocol. The fix was already
merged into FreeBSD and released as FreeBSD-SA-23:19.openssh.

Full release notes at https://www.openssh.com/txt/release-9.6

Relnotes: Yes
Sponsored by: The FreeBSD Foundation

(cherry picked from commit 069ac18495ad8fde2748bc94b0f80a50250bb01d)

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Implement "strict key exchange" in ssh and sshd.

This adds a protocol extension to improve the integrity of the SSH
transport protocol, particular in and around the initial key exchange
(KEX) phase.

Implement "strict key exchange" in ssh and sshd.

This adds a protocol extension to improve the integrity of the SSH
transport protocol, particular in and around the initial key exchange
(KEX) phase.

Full details of the extension are in the PROTOCOL file.

OpenBSD-Commit-ID: 2a66ac962f0a630d7945fee54004ed9e9c439f14

Approved by: so (implicit)
Obtained from: https://anongit.mindrot.org/openssh.git/patch/?id=1edb00c58f8a6875fad6a497aa2bacf37f9e6cd5
Security: CVE-2023-48795

(cherry picked from commit 92f58c69a14c0afe910145f177c0e8aeaf9c7da4)

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ssh: Update to OpenSSH 9.5p1

Excerpts from the release notes:

Potentially incompatible changes
--------------------------------

* ssh-keygen(1): generate Ed25519 keys by default.
[NOTE: This c

ssh: Update to OpenSSH 9.5p1

Excerpts from the release notes:

Potentially incompatible changes
--------------------------------

* ssh-keygen(1): generate Ed25519 keys by default.
[NOTE: This change was already merged into FreeBSD.]

* sshd(8): the Subsystem directive now accurately preserves quoting of
subsystem commands and arguments.

New features
------------

* ssh(1): add keystroke timing obfuscation to the client.

* ssh(1), sshd(8): Introduce a transport-level ping facility.

* sshd(8): allow override of Sybsystem directives in sshd Match blocks.

Full release notes at https://www.openssh.com/txt/release-9.5

Relnotes: Yes
Sponsored by: The FreeBSD Foundation

(cherry picked from commit edf8578117e8844e02c0121147f45e4609b30680)

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MFH OpenSSH 5.4p1