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Added OpenSSH 8.5 built-in policy. Added sntrup761x25519-sha512@openssh.com kex.

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Joe Testa
2021-02-23 16:02:20 -05:00
parent 8f9771c4e6
commit 1bbc3feb57
4 changed files with 7 additions and 2 deletions
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2
src/ssh_audit/policy.py
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@ -65,6 +65,8 @@ class Policy:
'Hardened OpenSSH Server v8.4 (version 1)': {'version': '1', 'banner': None, 'compressions': None, 'host_keys': ['rsa-sha2-512', 'rsa-sha2-256', 'ssh-ed25519'], 'optional_host_keys': ['sk-ssh-ed25519@openssh.com', 'ssh-ed25519-cert-v01@openssh.com', 'sk-ssh-ed25519-cert-v01@openssh.com', 'rsa-sha2-256-cert-v01@openssh.com', 'rsa-sha2-512-cert-v01@openssh.com'], 'kex': ['curve25519-sha256', 'curve25519-sha256@libssh.org', 'diffie-hellman-group16-sha512', 'diffie-hellman-group18-sha512', 'diffie-hellman-group-exchange-sha256'], 'ciphers': ['chacha20-poly1305@openssh.com', 'aes256-gcm@openssh.com', 'aes128-gcm@openssh.com', 'aes256-ctr', 'aes192-ctr', 'aes128-ctr'], 'macs': ['hmac-sha2-256-etm@openssh.com', 'hmac-sha2-512-etm@openssh.com', 'umac-128-etm@openssh.com'], 'hostkey_sizes': {'rsa-sha2-256': 4096, 'rsa-sha2-512': 4096}, 'cakey_sizes': {'rsa-sha2-256-cert-v01@openssh.com': 4096, 'rsa-sha2-512-cert-v01@openssh.com': 4096}, 'dh_modulus_sizes': {'diffie-hellman-group-exchange-sha256': 2048}, 'server_policy': True},
'Hardened OpenSSH Server v8.5 (version 1)': {'version': '1', 'banner': None, 'compressions': None, 'host_keys': ['rsa-sha2-512', 'rsa-sha2-256', 'ssh-ed25519'], 'optional_host_keys': ['sk-ssh-ed25519@openssh.com', 'ssh-ed25519-cert-v01@openssh.com', 'sk-ssh-ed25519-cert-v01@openssh.com', 'rsa-sha2-256-cert-v01@openssh.com', 'rsa-sha2-512-cert-v01@openssh.com'], 'kex': ['curve25519-sha256', 'curve25519-sha256@libssh.org', 'diffie-hellman-group16-sha512', 'diffie-hellman-group18-sha512', 'diffie-hellman-group-exchange-sha256'], 'ciphers': ['chacha20-poly1305@openssh.com', 'aes256-gcm@openssh.com', 'aes128-gcm@openssh.com', 'aes256-ctr', 'aes192-ctr', 'aes128-ctr'], 'macs': ['hmac-sha2-256-etm@openssh.com', 'hmac-sha2-512-etm@openssh.com', 'umac-128-etm@openssh.com'], 'hostkey_sizes': {'rsa-sha2-256': 4096, 'rsa-sha2-512': 4096}, 'cakey_sizes': {'rsa-sha2-256-cert-v01@openssh.com': 4096, 'rsa-sha2-512-cert-v01@openssh.com': 4096}, 'dh_modulus_sizes': {'diffie-hellman-group-exchange-sha256': 2048}, 'server_policy': True},
# Ubuntu Client policies

3
src/ssh_audit/ssh2_kexdb.py
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@ -117,7 +117,8 @@ class SSH2_KexDB: # pylint: disable=too-few-public-methods
'kexguess2@matt.ucc.asn.au': [['d2013.57']],
'rsa1024-sha1': [[], [FAIL_1024BIT_MODULUS], [WARN_HASH_WEAK]],
'rsa2048-sha256': [[]],
'sntrup4591761x25519-sha512@tinyssh.org': [['8.0'], [], [WARN_EXPERIMENTAL]],
'sntrup4591761x25519-sha512@tinyssh.org': [['8.0', '8.4'], [], [WARN_EXPERIMENTAL]],
'sntrup761x25519-sha512@openssh.com': [['8.5'], [], [WARN_EXPERIMENTAL]],
'kexAlgoCurve25519SHA256': [[]],
'Curve25519SHA256': [[]],
'ext-info-c': [[]], # Extension negotiation (RFC 8308)