Features

• 09f6582: Support host certificates on the client side (#752) (@biao29) #752

  • This changes the signature of Handler::check_server_key to take a new PublicKeyOrCertificate enum instead of &PublicKey

• d7601ae: Support host certificates on the server side (#641) (Georg von Zengen) #641

  • Adds a Config::certificates that functions similarly to Config::keys

Fixes

• f2354c7: improve strict kex checks (Eugene)
• 0363fde: fixed PKCS#8 parsing panicking on incorrect contents (Eugene)
• 46c927a: use constant-time comparison for agent unlock (Eugene)
• 8da8967: sanitize Curve25519 params (Eugene)

Full Changelog: v0.62.7...v0.63.0

Features

• 09f6582: Support host certificates on the client side (#752) (@biao29) #752
• d7601ae: Support host certificates on the server side (#641) (Georg von Zengen) #641

Full Changelog: v0.62.7...v0.63.0-beta.1

Features

• client: support gssapi-with-mic auth (#738) #738 (ayamir)

Fixes

• don't truncate decompressed packets that expand more than 2x (#750) #750 (Luiz Ribeiro)
• c9da80c: Pageant WM_COPYDATA protocol fix & token tightening (#624) (vzex) #624
• fall back to GetUserNameA when GetUserNameExA fails (#726) #726 (cwatanab)

Security fixes

GHSA-g6xm-f9xp-qq35 - server-side max_auth_attempts was not enforced - f8fd0b1

Config::max_auth_attempts was not being properly enforced by russh server implementation.

Fixes

• c66837e: Fix deadlock when handling open channel on contended handler (#734) (Eric Rodrigues Pires) #734

Changes

• c465e3f: accept a single trailing comma in SSH name-lists (#743) (PokAhonTAS911) #743
• add Motor OS support (#742) #742 (lasiotus)

Security fixes

GHSA-m65r-rprj-r5rg - Handler channel callbacks called for non-existing channel - 7c5659f

Russh server did not validate channel IDs passed by a client, so if a client constructed a channel message with an invalid ID, the server-side Handler callback would still get called with that non-existing ID. The consequence of this depend on the specific user implementation.

Fixes

• de96ad1: fixed #725 - add backpressure to Channel::data() (Eugene)

Full Changelog: v0.62.4...v0.62.5

Security fixes

Three independent bugs have allowed a client to trigger a panic in the session handler task, thereby crashing their own session.

• GHSA-cqjc-rmpq-xprq: sending a malformed PTY request packet - 8912512
• GHSA-g9hv-x236-4qp3: sending a malformed Curve25519 KEX packet - a7fc1eb
• GHSA-5xvq-cp9x-6p6r: sending a zero Curve25519 key - a7fc1eb

Misc

• russh: bump russh-sftp dev-dependency 2.1.0 → 2.3.0 (#728) #728 (Sion Kang)

Changes

• 2e3f1cc: Update more RustCrypto dependencies to stabilized versions (#735) (kpcyrd) [#735]

Fixes

• 6da3f4a: fixed #733 - incorrect first kex guess handling (Eugene)

Fixes

• 6fc20b2: Reply with CHANNEL_CLOSE in server handler per RFC 4254 (#675) (Corey Leavitt) #675