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Updated built-in client policy for Ubuntu 22.04.

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Joe Testa 2024-10-01 17:32:49 -04:00
parent 1f1a51d591
commit 7ab6d20454
2 changed files with 3 additions and 1 deletions
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2
README.md
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@ -233,7 +233,7 @@ For convenience, a web front-end on top of the command-line tool is available at
- Fixed invalid JSON output when a socket error occurs while performing a client audit.
- Fixed `--conn-rate-test` feature on Windows.
- When scanning multiple targets (using `-T`/`--targets`), the `-p`/`--port` option will now be used as the default port (set to 22 if `-p`/`--port` is not given). Hosts specified in the file can override this default with an explicit port number (i.e.: "host1:1234"). For example, when using `-T targets.txt -p 222`, all hosts in `targets.txt` that do not explicitly include a port number will default to 222; when using `-T targets.txt` (without `-p`), all hosts will use a default of 22.
- Updated built-in server policies for Debian 12, Rocky Linux 9, and Ubuntu 22.04 to improve host key efficiency and cipher resistance to quantum attacks.
- Updated built-in server & client policies for Debian 12, Rocky Linux 9, and Ubuntu 22.04 to improve host key efficiency and cipher resistance to quantum attacks.
- Added 1 new cipher: `grasshopper-ctr128`.
- Added 2 new key exchanges: `mlkem768x25519-sha256`, `sntrup761x25519-sha512`.

2
src/ssh_audit/builtin_policies.py
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@ -130,6 +130,8 @@ BUILTIN_POLICIES: Dict[str, Dict[str, Union[Optional[str], Optional[List[str]],
'Hardened Ubuntu Client 22.04 LTS (version 4)': {'version': '4', 'changelog': 'Added kex-strict-c-v00@openssh.com to kex list.', 'banner': None, 'compressions': None, 'host_keys': ['sk-ssh-ed25519-cert-v01@openssh.com', 'ssh-ed25519-cert-v01@openssh.com', 'rsa-sha2-512-cert-v01@openssh.com', 'rsa-sha2-256-cert-v01@openssh.com', 'sk-ssh-ed25519@openssh.com', 'ssh-ed25519', 'rsa-sha2-512', 'rsa-sha2-256'], 'optional_host_keys': None, 'kex': ['sntrup761x25519-sha512@openssh.com', 'curve25519-sha256', 'curve25519-sha256@libssh.org', 'diffie-hellman-group16-sha512', 'diffie-hellman-group18-sha512', 'diffie-hellman-group-exchange-sha256', 'ext-info-c', 'kex-strict-c-v00@openssh.com'], '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': None, 'dh_modulus_sizes': None, 'server_policy': False},
'Hardened Ubuntu Client 22.04 LTS (version 5)': {'version': '5', 'changelog': 'Re-ordered cipher list to prioritize larger key sizes as a countermeasure to quantum attacks.', 'banner': None, 'compressions': None, 'host_keys': ['sk-ssh-ed25519-cert-v01@openssh.com', 'ssh-ed25519-cert-v01@openssh.com', 'rsa-sha2-512-cert-v01@openssh.com', 'rsa-sha2-256-cert-v01@openssh.com', 'sk-ssh-ed25519@openssh.com', 'ssh-ed25519', 'rsa-sha2-512', 'rsa-sha2-256'], 'optional_host_keys': None, 'kex': ['sntrup761x25519-sha512@openssh.com', 'curve25519-sha256', 'curve25519-sha256@libssh.org', 'diffie-hellman-group16-sha512', 'diffie-hellman-group18-sha512', 'diffie-hellman-group-exchange-sha256', 'ext-info-c', 'kex-strict-c-v00@openssh.com'], 'ciphers': ['chacha20-poly1305@openssh.com', 'aes256-gcm@openssh.com', 'aes256-ctr', 'aes192-ctr', 'aes128-gcm@openssh.com', 'aes128-ctr'], 'macs': ['hmac-sha2-256-etm@openssh.com', 'hmac-sha2-512-etm@openssh.com', 'umac-128-etm@openssh.com'], 'hostkey_sizes': None, 'dh_modulus_sizes': None, 'server_policy': False},
'Hardened Ubuntu Client 24.04 LTS (version 1)': {'version': '1', 'changelog': 'Initial version.', 'banner': None, 'compressions': None, 'host_keys': ['sk-ssh-ed25519-cert-v01@openssh.com', 'ssh-ed25519-cert-v01@openssh.com', 'rsa-sha2-512-cert-v01@openssh.com', 'rsa-sha2-256-cert-v01@openssh.com', 'sk-ssh-ed25519@openssh.com', 'ssh-ed25519', 'rsa-sha2-512', 'rsa-sha2-256'], 'optional_host_keys': None, 'kex': ['sntrup761x25519-sha512@openssh.com', 'curve25519-sha256', 'curve25519-sha256@libssh.org', 'diffie-hellman-group18-sha512', 'diffie-hellman-group-exchange-sha256', 'diffie-hellman-group16-sha512', 'ext-info-c', 'kex-strict-c-v00@openssh.com'], 'ciphers': ['chacha20-poly1305@openssh.com', 'aes256-gcm@openssh.com', 'aes256-ctr', 'aes192-ctr', 'aes128-gcm@openssh.com', 'aes128-ctr'], 'macs': ['hmac-sha2-512-etm@openssh.com', 'hmac-sha2-256-etm@openssh.com', 'umac-128-etm@openssh.com'], 'hostkey_sizes': None, 'dh_modulus_sizes': None, 'server_policy': False},
}