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ssh-audit/src/ssh_audit/ssh2_kexdb.py

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Split ssh_audit.py into separate files (#47).
2020-10-15 20:34:23 +02:00
"""
The MIT License (MIT)
Removed experimental warning tag from sntrup761x25519-sha512@openssh.com.
2022-04-10 18:16:25 +02:00
Copyright (C) 2017-2022 Joe Testa (jtesta@positronsecurity.com)
Split ssh_audit.py into separate files (#47).
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Copyright (C) 2017 Andris Raugulis (moo@arthepsy.eu)
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
"""
# pylint: disable=unused-import
from typing import Dict, List, Set, Sequence, Tuple, Iterable # noqa: F401
from typing import Callable, Optional, Union, Any # noqa: F401
class SSH2_KexDB: # pylint: disable=too-few-public-methods
WARN_OPENSSH74_UNSAFE = 'disabled (in client) since OpenSSH 7.4, unsafe algorithm'
WARN_OPENSSH72_LEGACY = 'disabled (in client) since OpenSSH 7.2, legacy algorithm'
FAIL_OPENSSH70_LEGACY = 'removed since OpenSSH 7.0, legacy algorithm'
FAIL_OPENSSH70_WEAK = 'removed (in server) and disabled (in client) since OpenSSH 7.0, weak algorithm'
FAIL_OPENSSH70_LOGJAM = 'disabled (in client) since OpenSSH 7.0, logjam attack'
INFO_OPENSSH69_CHACHA = 'default cipher since OpenSSH 6.9.'
FAIL_OPENSSH67_UNSAFE = 'removed (in server) since OpenSSH 6.7, unsafe algorithm'
FAIL_OPENSSH61_REMOVE = 'removed since OpenSSH 6.1, removed from specification'
FAIL_OPENSSH31_REMOVE = 'removed since OpenSSH 3.1'
Upgraded SHA-1 key signatures from warnings to failures. Added deprecation warning to ssh-rsa-cert-v00@openssh.com, ssh-rsa-cert-v01@openssh.com, x509v3-sign-rsa, and x509v3-ssh-rsa host key types.
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INFO_OPENSSH82_FUTURE_DEPRECATION = 'a future deprecation notice has been issued in OpenSSH 8.2: https://www.openssh.com/txt/release-8.2'
Split ssh_audit.py into separate files (#47).
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FAIL_DBEAR67_DISABLED = 'disabled since Dropbear SSH 2015.67'
FAIL_DBEAR53_DISABLED = 'disabled since Dropbear SSH 0.53'
FAIL_DEPRECATED_CIPHER = 'deprecated cipher'
FAIL_WEAK_CIPHER = 'using weak cipher'
FAIL_WEAK_ALGORITHM = 'using weak/obsolete algorithm'
FAIL_PLAINTEXT = 'no encryption/integrity'
FAIL_DEPRECATED_MAC = 'deprecated MAC'
FAIL_1024BIT_MODULUS = 'using small 1024-bit modulus'
FAIL_UNPROVEN = 'using unproven algorithm'
Upgraded SHA-1 key signatures from warnings to failures. Added deprecation warning to ssh-rsa-cert-v00@openssh.com, ssh-rsa-cert-v01@openssh.com, x509v3-sign-rsa, and x509v3-ssh-rsa host key types.
2021-02-02 01:19:46 +01:00
FAIL_HASH_WEAK = 'using weak hashing algorithm'
Added 24 new key exchanges: 'ecdh-sha2-1.3.132.0.1', 'ecdh-sha2-1.2.840.10045.3.1.1', 'ecdh-sha2-1.3.132.0.33', 'ecdh-sha2-1.3.132.0.26', 'ecdh-sha2-1.3.132.0.27', 'ecdh-sha2-1.2.840.10045.3.1.7', 'ecdh-sha2-1.3.132.0.16', 'ecdh-sha2-1.3.132.0.34', 'ecdh-sha2-1.3.132.0.36', 'ecdh-sha2-1.3.132.0.37', 'ecdh-sha2-1.3.132.0.35', 'ecdh-sha2-1.3.132.0.38', 'ecdh-sha2-4MHB+NBt3AlaSRQ7MnB4cg==', 'ecdh-sha2-5pPrSUQtIaTjUSt5VZNBjg==', 'ecdh-sha2-VqBg4QRPjxx1EXZdV0GdWQ==', 'ecdh-sha2-zD/b3hu/71952ArpUG4OjQ==', 'ecdh-sha2-qCbG5Cn/jjsZ7nBeR7EnOA==', 'ecdh-sha2-9UzNcgwTlEnSCECZa7V1mw==', 'ecdh-sha2-wiRIU8TKjMZ418sMqlqtvQ==', 'ecdh-sha2-qcFQaMAMGhTziMT0z+Tuzw==', 'ecdh-sha2-m/FtSAmrV4j/Wy6RVUaK7A==', 'ecdh-sha2-D3FefCjYoJ/kfXgAyLddYA==', 'ecdh-sha2-h/SsxnLCtRBh7I9ATyeB3A==', 'ecdh-sha2-mNVwCXAoS1HGmHpLvBC94w=='.
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FAIL_SMALL_ECC_MODULUS = 'using small ECC modulus'
Split ssh_audit.py into separate files (#47).
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WARN_CURVES_WEAK = 'using weak elliptic curves'
WARN_RNDSIG_KEY = 'using weak random number generator could reveal the key'
WARN_HASH_WEAK = 'using weak hashing algorithm'
WARN_CIPHER_MODE = 'using weak cipher mode'
WARN_BLOCK_SIZE = 'using small 64-bit block size'
WARN_CIPHER_WEAK = 'using weak cipher'
WARN_ENCRYPT_AND_MAC = 'using encrypt-and-MAC mode'
WARN_TAG_SIZE = 'using small 64-bit tag size'
WARN_TAG_SIZE_96 = 'using small 96-bit tag size'
WARN_EXPERIMENTAL = 'using experimental algorithm'
WARN_OBSOLETE = 'using obsolete algorithm'
WARN_UNTRUSTED = 'using untrusted algorithm'
Transformed comment type annotations to variable declaration annotations.
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ALGORITHMS: Dict[str, Dict[str, List[List[Optional[str]]]]] = {
Split ssh_audit.py into separate files (#47).
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# Format: 'algorithm_name': [['version_first_appeared_in'], [reason_for_failure1, reason_for_failure2, ...], [warning1, warning2, ...]]
'kex': {
'diffie-hellman-group1-sha1': [['2.3.0,d0.28,l10.2', '6.6', '6.9'], [FAIL_1024BIT_MODULUS, FAIL_OPENSSH67_UNSAFE, FAIL_OPENSSH70_LOGJAM], [WARN_HASH_WEAK]],
'gss-group1-sha1-toWM5Slw5Ew8Mqkay+al2g==': [[], [FAIL_1024BIT_MODULUS, FAIL_OPENSSH67_UNSAFE, FAIL_OPENSSH70_LOGJAM], [WARN_HASH_WEAK]],
Added 3 new key exchanges: gss-gex-sha1-eipGX3TCiQSrx573bT1o1Q==, gss-group1-sha1-eipGX3TCiQSrx573bT1o1Q==, gss-group14-sha1-eipGX3TCiQSrx573bT1o1Q==
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'gss-gex-sha1-eipGX3TCiQSrx573bT1o1Q==': [[], [], [WARN_HASH_WEAK]],
Split ssh_audit.py into separate files (#47).
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'gss-gex-sha1-toWM5Slw5Ew8Mqkay+al2g==': [[], [], [WARN_HASH_WEAK]],
'gss-gex-sha1-': [[], [], [WARN_HASH_WEAK]],
Added 3 new key exchanges: gss-gex-sha1-eipGX3TCiQSrx573bT1o1Q==, gss-group1-sha1-eipGX3TCiQSrx573bT1o1Q==, gss-group14-sha1-eipGX3TCiQSrx573bT1o1Q==
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'gss-group1-sha1-eipGX3TCiQSrx573bT1o1Q==': [[], [FAIL_1024BIT_MODULUS], [WARN_HASH_WEAK]],
Split ssh_audit.py into separate files (#47).
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'gss-group1-sha1-': [[], [FAIL_1024BIT_MODULUS], [WARN_HASH_WEAK]],
'gss-group14-sha1-': [[], [], [WARN_HASH_WEAK]],
Added 3 new key exchanges: gss-gex-sha1-eipGX3TCiQSrx573bT1o1Q==, gss-group1-sha1-eipGX3TCiQSrx573bT1o1Q==, gss-group14-sha1-eipGX3TCiQSrx573bT1o1Q==
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'gss-group14-sha1-eipGX3TCiQSrx573bT1o1Q==': [[], [], [WARN_HASH_WEAK]],
Split ssh_audit.py into separate files (#47).
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'gss-group14-sha1-toWM5Slw5Ew8Mqkay+al2g==': [[], [], [WARN_HASH_WEAK]],
'gss-group14-sha256-': [[]],
'gss-group14-sha256-toWM5Slw5Ew8Mqkay+al2g==': [[]],
'gss-group15-sha512-': [[]],
'gss-group15-sha512-toWM5Slw5Ew8Mqkay+al2g==': [[]],
'gss-group16-sha512-': [[]],
'gss-nistp256-sha256-': [[], [WARN_CURVES_WEAK]],
'gss-curve25519-sha256-': [[]],
'diffie-hellman-group1-sha256': [[], [FAIL_1024BIT_MODULUS]],
'diffie-hellman-group14-sha1': [['3.9,d0.53,l10.6.0'], [], [WARN_HASH_WEAK]],
'diffie-hellman-group14-sha256': [['7.3,d2016.73']],
'diffie-hellman-group14-sha256@ssh.com': [[]],
'diffie-hellman-group15-sha256': [[]],
'diffie-hellman-group15-sha256@ssh.com': [[]],
'diffie-hellman-group15-sha384@ssh.com': [[]],
'diffie-hellman-group15-sha512': [[]],
'diffie-hellman-group16-sha256': [[]],
'diffie-hellman-group16-sha384@ssh.com': [[]],
'diffie-hellman-group16-sha512': [['7.3,d2016.73']],
'diffie-hellman-group16-sha512@ssh.com': [[]],
'diffie-hellman-group17-sha512': [[]],
'diffie-hellman-group18-sha512': [['7.3']],
'diffie-hellman-group18-sha512@ssh.com': [[]],
'diffie-hellman-group-exchange-sha1': [['2.3.0', '6.6', None], [FAIL_OPENSSH67_UNSAFE], [WARN_HASH_WEAK]],
'diffie-hellman-group-exchange-sha256': [['4.4']],
'diffie-hellman-group-exchange-sha256@ssh.com': [[]],
'diffie-hellman-group-exchange-sha512@ssh.com': [[]],
'ecdh-sha2-curve25519': [[], []],
'ecdh-sha2-nistb233': [[], [WARN_CURVES_WEAK]],
'ecdh-sha2-nistb409': [[], [WARN_CURVES_WEAK]],
'ecdh-sha2-nistk163': [[], [WARN_CURVES_WEAK]],
'ecdh-sha2-nistk233': [[], [WARN_CURVES_WEAK]],
'ecdh-sha2-nistk283': [[], [WARN_CURVES_WEAK]],
'ecdh-sha2-nistk409': [[], [WARN_CURVES_WEAK]],
'ecdh-sha2-nistp192': [[], [WARN_CURVES_WEAK]],
'ecdh-sha2-nistp224': [[], [WARN_CURVES_WEAK]],
'ecdh-sha2-nistp256': [['5.7,d2013.62,l10.6.0'], [WARN_CURVES_WEAK]],
'ecdh-sha2-nistp384': [['5.7,d2013.62'], [WARN_CURVES_WEAK]],
'ecdh-sha2-nistp521': [['5.7,d2013.62'], [WARN_CURVES_WEAK]],
'ecdh-sha2-nistt571': [[], [WARN_CURVES_WEAK]],
'ecdh-sha2-1.3.132.0.10': [[]], # ECDH over secp256k1 (i.e.: the Bitcoin curve)
Added 24 new key exchanges: 'ecdh-sha2-1.3.132.0.1', 'ecdh-sha2-1.2.840.10045.3.1.1', 'ecdh-sha2-1.3.132.0.33', 'ecdh-sha2-1.3.132.0.26', 'ecdh-sha2-1.3.132.0.27', 'ecdh-sha2-1.2.840.10045.3.1.7', 'ecdh-sha2-1.3.132.0.16', 'ecdh-sha2-1.3.132.0.34', 'ecdh-sha2-1.3.132.0.36', 'ecdh-sha2-1.3.132.0.37', 'ecdh-sha2-1.3.132.0.35', 'ecdh-sha2-1.3.132.0.38', 'ecdh-sha2-4MHB+NBt3AlaSRQ7MnB4cg==', 'ecdh-sha2-5pPrSUQtIaTjUSt5VZNBjg==', 'ecdh-sha2-VqBg4QRPjxx1EXZdV0GdWQ==', 'ecdh-sha2-zD/b3hu/71952ArpUG4OjQ==', 'ecdh-sha2-qCbG5Cn/jjsZ7nBeR7EnOA==', 'ecdh-sha2-9UzNcgwTlEnSCECZa7V1mw==', 'ecdh-sha2-wiRIU8TKjMZ418sMqlqtvQ==', 'ecdh-sha2-qcFQaMAMGhTziMT0z+Tuzw==', 'ecdh-sha2-m/FtSAmrV4j/Wy6RVUaK7A==', 'ecdh-sha2-D3FefCjYoJ/kfXgAyLddYA==', 'ecdh-sha2-h/SsxnLCtRBh7I9ATyeB3A==', 'ecdh-sha2-mNVwCXAoS1HGmHpLvBC94w=='.
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# Note: the base64 strings, according to draft 6 of RFC5656, is Base64(MD5(DER(OID))). The final RFC5656 dropped the base64 strings in favor of plain OID concatenation, but apparently some SSH servers implement them anyway. See: https://datatracker.ietf.org/doc/html/draft-green-secsh-ecc-06#section-9.2
'ecdh-sha2-1.3.132.0.1': [[], [FAIL_SMALL_ECC_MODULUS]], # sect163k1
'ecdh-sha2-4MHB+NBt3AlaSRQ7MnB4cg==': [[], [FAIL_SMALL_ECC_MODULUS]], # sect163k1
'ecdh-sha2-1.2.840.10045.3.1.1': [[], [FAIL_SMALL_ECC_MODULUS, WARN_CURVES_WEAK]], # NIST P-192 / secp192r1
'ecdh-sha2-5pPrSUQtIaTjUSt5VZNBjg==': [[], [FAIL_SMALL_ECC_MODULUS, WARN_CURVES_WEAK]], # NIST P-192 / secp192r1
'ecdh-sha2-1.3.132.0.33': [[], [FAIL_SMALL_ECC_MODULUS, WARN_CURVES_WEAK]], # NIST P-224 / secp224r1
'ecdh-sha2-VqBg4QRPjxx1EXZdV0GdWQ==': [[], [FAIL_SMALL_ECC_MODULUS, WARN_CURVES_WEAK]], # NIST P-224 / secp224r1
'ecdh-sha2-1.3.132.0.26': [[], [FAIL_SMALL_ECC_MODULUS]], # sect233k1
'ecdh-sha2-zD/b3hu/71952ArpUG4OjQ==': [[], [FAIL_SMALL_ECC_MODULUS]], # sect233k1
'ecdh-sha2-1.3.132.0.27': [[], [FAIL_SMALL_ECC_MODULUS, WARN_CURVES_WEAK]], # sect233r1
'ecdh-sha2-qCbG5Cn/jjsZ7nBeR7EnOA==': [[FAIL_SMALL_ECC_MODULUS, WARN_CURVES_WEAK]], # sect233r1
'ecdh-sha2-1.2.840.10045.3.1.7': [[], [WARN_CURVES_WEAK]], # NIST P-256 / secp256r1
'ecdh-sha2-9UzNcgwTlEnSCECZa7V1mw==': [[], [WARN_CURVES_WEAK]], # NIST P-256 / secp256r1
'ecdh-sha2-1.3.132.0.16': [[]], # sect283k1
'ecdh-sha2-wiRIU8TKjMZ418sMqlqtvQ==': [[]], # sect283k1
'ecdh-sha2-1.3.132.0.34': [[], [WARN_CURVES_WEAK]], # NIST P-384 / secp384r1
'ecdh-sha2-qcFQaMAMGhTziMT0z+Tuzw==': [[], [WARN_CURVES_WEAK]], # NIST P-384 / secp384r1
'ecdh-sha2-1.3.132.0.36': [[]], # sect409k1
'ecdh-sha2-m/FtSAmrV4j/Wy6RVUaK7A==': [[]], # sect409k1
'ecdh-sha2-1.3.132.0.37': [[], [WARN_CURVES_WEAK]], # sect409r1
'ecdh-sha2-D3FefCjYoJ/kfXgAyLddYA==': [[], [WARN_CURVES_WEAK]], # sect409r1
'ecdh-sha2-1.3.132.0.35': [[], [WARN_CURVES_WEAK]], # NIST P-521 / secp521r1
'ecdh-sha2-h/SsxnLCtRBh7I9ATyeB3A==': [[], [WARN_CURVES_WEAK]], # NIST P-521 / secp521r1
'ecdh-sha2-1.3.132.0.38': [[]], # sect571k1
'ecdh-sha2-mNVwCXAoS1HGmHpLvBC94w==': [[]], # sect571k1
Split ssh_audit.py into separate files (#47).
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'curve25519-sha256@libssh.org': [['6.5,d2013.62,l10.6.0']],
'curve25519-sha256': [['7.4,d2018.76']],
'curve448-sha512': [[]],
'kexguess2@matt.ucc.asn.au': [['d2013.57']],
'rsa1024-sha1': [[], [FAIL_1024BIT_MODULUS], [WARN_HASH_WEAK]],
'rsa2048-sha256': [[]],
Added OpenSSH 8.5 built-in policy. Added sntrup761x25519-sha512@openssh.com kex.
2021-02-23 22:02:20 +01:00
'sntrup4591761x25519-sha512@tinyssh.org': [['8.0', '8.4'], [], [WARN_EXPERIMENTAL]],
Removed experimental warning tag from sntrup761x25519-sha512@openssh.com.
2022-04-10 18:16:25 +02:00
'sntrup761x25519-sha512@openssh.com': [['8.5'], [], []],
Split ssh_audit.py into separate files (#47).
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'kexAlgoCurve25519SHA256': [[]],
'Curve25519SHA256': [[]],
'ext-info-c': [[]], # Extension negotiation (RFC 8308)
'ext-info-s': [[]], # Extension negotiation (RFC 8308)
},
'key': {
'ssh-rsa1': [[], [FAIL_WEAK_ALGORITHM]],
'rsa-sha2-256': [['7.2']],
'rsa-sha2-512': [['7.2']],
'ssh-ed25519': [['6.5,l10.7.0']],
'ssh-ed25519-cert-v01@openssh.com': [['6.5']],
Upgraded SHA-1 key signatures from warnings to failures. Added deprecation warning to ssh-rsa-cert-v00@openssh.com, ssh-rsa-cert-v01@openssh.com, x509v3-sign-rsa, and x509v3-ssh-rsa host key types.
2021-02-02 01:19:46 +01:00
'ssh-rsa': [['2.5.0,d0.28,l10.2'], [FAIL_HASH_WEAK], [], [INFO_OPENSSH82_FUTURE_DEPRECATION]],
Split ssh_audit.py into separate files (#47).
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'ssh-dss': [['2.1.0,d0.28,l10.2', '6.9'], [FAIL_1024BIT_MODULUS, FAIL_OPENSSH70_WEAK], [WARN_RNDSIG_KEY]],
'ecdsa-sha2-nistp256': [['5.7,d2013.62,l10.6.4'], [WARN_CURVES_WEAK], [WARN_RNDSIG_KEY]],
'ecdsa-sha2-nistp384': [['5.7,d2013.62,l10.6.4'], [WARN_CURVES_WEAK], [WARN_RNDSIG_KEY]],
'ecdsa-sha2-nistp521': [['5.7,d2013.62,l10.6.4'], [WARN_CURVES_WEAK], [WARN_RNDSIG_KEY]],
'ecdsa-sha2-1.3.132.0.10': [[], [], [WARN_RNDSIG_KEY]], # ECDSA over secp256k1 (i.e.: the Bitcoin curve)
'x509v3-sign-dss': [[], [FAIL_1024BIT_MODULUS, FAIL_OPENSSH70_WEAK], [WARN_RNDSIG_KEY]],
Upgraded SHA-1 key signatures from warnings to failures. Added deprecation warning to ssh-rsa-cert-v00@openssh.com, ssh-rsa-cert-v01@openssh.com, x509v3-sign-rsa, and x509v3-ssh-rsa host key types.
2021-02-02 01:19:46 +01:00
'x509v3-sign-rsa': [[], [FAIL_HASH_WEAK], [], [INFO_OPENSSH82_FUTURE_DEPRECATION]],
Split ssh_audit.py into separate files (#47).
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'x509v3-sign-rsa-sha256@ssh.com': [[]],
'x509v3-ssh-dss': [[], [FAIL_1024BIT_MODULUS, FAIL_OPENSSH70_WEAK], [WARN_RNDSIG_KEY]],
Upgraded SHA-1 key signatures from warnings to failures. Added deprecation warning to ssh-rsa-cert-v00@openssh.com, ssh-rsa-cert-v01@openssh.com, x509v3-sign-rsa, and x509v3-ssh-rsa host key types.
2021-02-02 01:19:46 +01:00
'x509v3-ssh-rsa': [[], [FAIL_HASH_WEAK], [], [INFO_OPENSSH82_FUTURE_DEPRECATION]],
'ssh-rsa-cert-v00@openssh.com': [['5.4', '6.9'], [FAIL_OPENSSH70_LEGACY, FAIL_HASH_WEAK], [], [INFO_OPENSSH82_FUTURE_DEPRECATION]],
Split ssh_audit.py into separate files (#47).
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'ssh-dss-cert-v00@openssh.com': [['5.4', '6.9'], [FAIL_1024BIT_MODULUS, FAIL_OPENSSH70_LEGACY], [WARN_RNDSIG_KEY]],
Upgraded SHA-1 key signatures from warnings to failures. Added deprecation warning to ssh-rsa-cert-v00@openssh.com, ssh-rsa-cert-v01@openssh.com, x509v3-sign-rsa, and x509v3-ssh-rsa host key types.
2021-02-02 01:19:46 +01:00
'ssh-rsa-cert-v01@openssh.com': [['5.6'], [FAIL_HASH_WEAK], [], [INFO_OPENSSH82_FUTURE_DEPRECATION]],
Split ssh_audit.py into separate files (#47).
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'ssh-dss-cert-v01@openssh.com': [['5.6', '6.9'], [FAIL_1024BIT_MODULUS, FAIL_OPENSSH70_WEAK], [WARN_RNDSIG_KEY]],
'ecdsa-sha2-nistp256-cert-v01@openssh.com': [['5.7'], [WARN_CURVES_WEAK], [WARN_RNDSIG_KEY]],
'ecdsa-sha2-nistp384-cert-v01@openssh.com': [['5.7'], [WARN_CURVES_WEAK], [WARN_RNDSIG_KEY]],
'ecdsa-sha2-nistp521-cert-v01@openssh.com': [['5.7'], [WARN_CURVES_WEAK], [WARN_RNDSIG_KEY]],
'rsa-sha2-256-cert-v01@openssh.com': [['7.8']],
'rsa-sha2-512-cert-v01@openssh.com': [['7.8']],
'ssh-rsa-sha256@ssh.com': [[]],
'ssh-dss-sha256@ssh.com': [[], [FAIL_1024BIT_MODULUS]],
'sk-ecdsa-sha2-nistp256-cert-v01@openssh.com': [['8.2'], [WARN_CURVES_WEAK], [WARN_RNDSIG_KEY]],
'sk-ecdsa-sha2-nistp256@openssh.com': [['8.2'], [WARN_CURVES_WEAK], [WARN_RNDSIG_KEY]],
'sk-ssh-ed25519-cert-v01@openssh.com': [['8.2']],
'sk-ssh-ed25519@openssh.com': [['8.2']],
'ssh-gost2001': [[], [], [WARN_UNTRUSTED]],
'ssh-gost2012-256': [[], [], [WARN_UNTRUSTED]],
'ssh-gost2012-512': [[], [], [WARN_UNTRUSTED]],
'spi-sign-rsa': [[]],
'ssh-ed448': [[]],
'x509v3-ecdsa-sha2-nistp256': [[], [WARN_CURVES_WEAK]],
'x509v3-ecdsa-sha2-nistp384': [[], [WARN_CURVES_WEAK]],
'x509v3-ecdsa-sha2-nistp521': [[], [WARN_CURVES_WEAK]],
'x509v3-rsa2048-sha256': [[]],
Added support for host key 'webauthn-sk-ecdsa-sha2-nistp256@openssh.com' (#149).
2022-10-11 02:51:37 +02:00
'webauthn-sk-ecdsa-sha2-nistp256@openssh.com': [['8.3'], [WARN_CURVES_WEAK]],
Added 'ssh-xmss@openssh.com' and 'ssh-xmss-cert-v01@openssh.com' experimental host keys (#146).
2022-10-15 05:21:09 +02:00
'ssh-xmss@openssh.com': [['7.7'], [WARN_EXPERIMENTAL]],
'ssh-xmss-cert-v01@openssh.com': [['7.7'], [WARN_EXPERIMENTAL]],
Split ssh_audit.py into separate files (#47).
2020-10-15 20:34:23 +02:00
},
'enc': {
'none': [['1.2.2,d2013.56,l10.2'], [FAIL_PLAINTEXT]],
'des': [[], [FAIL_WEAK_CIPHER], [WARN_CIPHER_MODE, WARN_BLOCK_SIZE]],
'des-cbc': [[], [FAIL_WEAK_CIPHER], [WARN_CIPHER_MODE, WARN_BLOCK_SIZE]],
'des-cbc@ssh.com': [[], [FAIL_WEAK_CIPHER], [WARN_CIPHER_MODE, WARN_BLOCK_SIZE]],
'des-cbc-ssh1': [[], [FAIL_WEAK_CIPHER], [WARN_CIPHER_MODE, WARN_BLOCK_SIZE]],
'3des': [[], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH74_UNSAFE, WARN_CIPHER_WEAK, WARN_CIPHER_MODE, WARN_BLOCK_SIZE]],
'3des-cbc': [['1.2.2,d0.28,l10.2', '6.6', None], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH74_UNSAFE, WARN_CIPHER_WEAK, WARN_CIPHER_MODE, WARN_BLOCK_SIZE]],
'3des-ctr': [['d0.52'], [FAIL_WEAK_CIPHER]],
'blowfish': [[], [FAIL_WEAK_ALGORITHM], [WARN_BLOCK_SIZE]],
'blowfish-cbc': [['1.2.2,d0.28,l10.2', '6.6,d0.52', '7.1,d0.52'], [FAIL_OPENSSH67_UNSAFE, FAIL_DBEAR53_DISABLED], [WARN_OPENSSH72_LEGACY, WARN_CIPHER_MODE, WARN_BLOCK_SIZE]],
'blowfish-ctr': [[], [FAIL_OPENSSH67_UNSAFE, FAIL_DBEAR53_DISABLED], [WARN_OPENSSH72_LEGACY, WARN_CIPHER_MODE, WARN_BLOCK_SIZE]],
'twofish-cbc': [['d0.28', 'd2014.66'], [FAIL_DBEAR67_DISABLED], [WARN_CIPHER_MODE]],
'twofish128-cbc': [['d0.47', 'd2014.66'], [FAIL_DBEAR67_DISABLED], [WARN_CIPHER_MODE]],
'twofish192-cbc': [[], [], [WARN_CIPHER_MODE]],
'twofish256-cbc': [['d0.47', 'd2014.66'], [FAIL_DBEAR67_DISABLED], [WARN_CIPHER_MODE]],
'twofish-ctr': [[]],
'twofish128-ctr': [['d2015.68']],
'twofish192-ctr': [[]],
'twofish256-ctr': [['d2015.68']],
'serpent128-cbc': [[], [FAIL_DEPRECATED_CIPHER], [WARN_CIPHER_MODE]],
'serpent192-cbc': [[], [FAIL_DEPRECATED_CIPHER], [WARN_CIPHER_MODE]],
'serpent256-cbc': [[], [FAIL_DEPRECATED_CIPHER], [WARN_CIPHER_MODE]],
'serpent128-ctr': [[], [FAIL_DEPRECATED_CIPHER]],
'serpent192-ctr': [[], [FAIL_DEPRECATED_CIPHER]],
'serpent256-ctr': [[], [FAIL_DEPRECATED_CIPHER]],
'idea-cbc': [[], [FAIL_DEPRECATED_CIPHER], [WARN_CIPHER_MODE]],
'idea-ctr': [[], [FAIL_DEPRECATED_CIPHER]],
'cast128-ctr': [[], [FAIL_DEPRECATED_CIPHER]],
'cast128-cbc': [['2.1.0', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_CIPHER_MODE, WARN_BLOCK_SIZE]],
'arcfour': [['2.1.0', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_CIPHER_WEAK]],
'arcfour128': [['4.2', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_CIPHER_WEAK]],
'arcfour256': [['4.2', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_CIPHER_WEAK]],
'aes128-cbc': [['2.3.0,d0.28,l10.2', '6.6', None], [FAIL_OPENSSH67_UNSAFE], [WARN_CIPHER_MODE]],
'aes192-cbc': [['2.3.0,l10.2', '6.6', None], [FAIL_OPENSSH67_UNSAFE], [WARN_CIPHER_MODE]],
'aes256-cbc': [['2.3.0,d0.47,l10.2', '6.6', None], [FAIL_OPENSSH67_UNSAFE], [WARN_CIPHER_MODE]],
'rijndael128-cbc': [['2.3.0', '3.0.2'], [FAIL_OPENSSH31_REMOVE], [WARN_CIPHER_MODE]],
'rijndael192-cbc': [['2.3.0', '3.0.2'], [FAIL_OPENSSH31_REMOVE], [WARN_CIPHER_MODE]],
'rijndael256-cbc': [['2.3.0', '3.0.2'], [FAIL_OPENSSH31_REMOVE], [WARN_CIPHER_MODE]],
'rijndael-cbc@lysator.liu.se': [['2.3.0', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_CIPHER_MODE]],
'aes128-ctr': [['3.7,d0.52,l10.4.1']],
'aes192-ctr': [['3.7,l10.4.1']],
'aes256-ctr': [['3.7,d0.52,l10.4.1']],
'aes128-gcm': [[]],
'aes256-gcm': [[]],
'AEAD_AES_128_GCM': [[]],
'AEAD_AES_256_GCM': [[]],
'aes128-gcm@openssh.com': [['6.2']],
'aes256-gcm@openssh.com': [['6.2']],
'chacha20-poly1305': [[], [], [], [INFO_OPENSSH69_CHACHA]],
'chacha20-poly1305@openssh.com': [['6.5'], [], [], [INFO_OPENSSH69_CHACHA]],
'camellia128-cbc': [[], [], [WARN_CIPHER_MODE]],
'camellia128-ctr': [[]],
'camellia192-cbc': [[], [], [WARN_CIPHER_MODE]],
'camellia192-ctr': [[]],
'camellia256-cbc': [[], [], [WARN_CIPHER_MODE]],
'camellia256-ctr': [[]],
'crypticore128@ssh.com': [[], [FAIL_UNPROVEN]],
'seed-cbc@ssh.com': [[], [], [WARN_OBSOLETE, WARN_CIPHER_MODE]],
},
'mac': {
'none': [['d2013.56'], [FAIL_PLAINTEXT]],
'hmac-sha1': [['2.1.0,d0.28,l10.2'], [], [WARN_ENCRYPT_AND_MAC, WARN_HASH_WEAK]],
'hmac-sha1-96': [['2.5.0,d0.47', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_ENCRYPT_AND_MAC, WARN_HASH_WEAK]],
Added hmac-sha1-96@openssh.com MAC. (#148)
2022-10-15 04:56:02 +02:00
'hmac-sha1-96@openssh.com': [[], [], [WARN_TAG_SIZE, WARN_ENCRYPT_AND_MAC, WARN_HASH_WEAK]], # Despite the @openssh.com tag, this perhaps was never implemented in OpenSSH (!)
Split ssh_audit.py into separate files (#47).
2020-10-15 20:34:23 +02:00
'hmac-sha2-56': [[], [], [WARN_TAG_SIZE, WARN_ENCRYPT_AND_MAC]],
'hmac-sha2-224': [[], [], [WARN_TAG_SIZE, WARN_ENCRYPT_AND_MAC]],
'hmac-sha2-256': [['5.9,d2013.56,l10.7.0'], [], [WARN_ENCRYPT_AND_MAC]],
'hmac-sha2-256-96': [['5.9', '6.0'], [FAIL_OPENSSH61_REMOVE], [WARN_ENCRYPT_AND_MAC]],
'hmac-sha2-384': [[], [], [WARN_ENCRYPT_AND_MAC]],
'hmac-sha2-512': [['5.9,d2013.56,l10.7.0'], [], [WARN_ENCRYPT_AND_MAC]],
'hmac-sha2-512-96': [['5.9', '6.0'], [FAIL_OPENSSH61_REMOVE], [WARN_ENCRYPT_AND_MAC]],
'hmac-sha3-224': [[], [], [WARN_ENCRYPT_AND_MAC]],
'hmac-sha3-256': [[], [], [WARN_ENCRYPT_AND_MAC]],
'hmac-sha3-384': [[], [], [WARN_ENCRYPT_AND_MAC]],
'hmac-sha3-512': [[], [], [WARN_ENCRYPT_AND_MAC]],
'hmac-sha256': [[], [], [WARN_ENCRYPT_AND_MAC]],
'hmac-sha256-96@ssh.com': [[], [], [WARN_ENCRYPT_AND_MAC, WARN_TAG_SIZE]],
'hmac-sha256@ssh.com': [[], [], [WARN_ENCRYPT_AND_MAC]],
'hmac-sha512': [[], [], [WARN_ENCRYPT_AND_MAC]],
'hmac-sha512@ssh.com': [[], [], [WARN_ENCRYPT_AND_MAC]],
'hmac-md5': [['2.1.0,d0.28', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_ENCRYPT_AND_MAC, WARN_HASH_WEAK]],
'hmac-md5-96': [['2.5.0', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_ENCRYPT_AND_MAC, WARN_HASH_WEAK]],
'hmac-ripemd': [[], [FAIL_DEPRECATED_MAC], [WARN_OPENSSH72_LEGACY, WARN_ENCRYPT_AND_MAC]],
'hmac-ripemd160': [['2.5.0', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_ENCRYPT_AND_MAC]],
Added 1 new MAC: hmac-ripemd160-96.
2021-05-20 20:17:37 +02:00
'hmac-ripemd160-96': [[], [FAIL_DEPRECATED_MAC], [WARN_ENCRYPT_AND_MAC, WARN_TAG_SIZE]],
Split ssh_audit.py into separate files (#47).
2020-10-15 20:34:23 +02:00
'hmac-ripemd160@openssh.com': [['2.1.0', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_ENCRYPT_AND_MAC]],
'umac-64@openssh.com': [['4.7'], [], [WARN_ENCRYPT_AND_MAC, WARN_TAG_SIZE]],
'umac-128@openssh.com': [['6.2'], [], [WARN_ENCRYPT_AND_MAC]],
'hmac-sha1-etm@openssh.com': [['6.2'], [], [WARN_HASH_WEAK]],
'hmac-sha1-96-etm@openssh.com': [['6.2', '6.6', None], [FAIL_OPENSSH67_UNSAFE], [WARN_HASH_WEAK]],
'hmac-sha2-256-96-etm@openssh.com': [[], [], [WARN_TAG_SIZE_96]], # Despite the @openssh.com tag, it doesn't appear that this was ever shipped with OpenSSH; it is only implemented in AsyncSSH (?).
'hmac-sha2-512-96-etm@openssh.com': [[], [], [WARN_TAG_SIZE_96]], # Despite the @openssh.com tag, it doesn't appear that this was ever shipped with OpenSSH; it is only implemented in AsyncSSH (?).
'hmac-sha2-256-etm@openssh.com': [['6.2']],
'hmac-sha2-512-etm@openssh.com': [['6.2']],
'hmac-md5-etm@openssh.com': [['6.2', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_HASH_WEAK]],
'hmac-md5-96-etm@openssh.com': [['6.2', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_HASH_WEAK]],
'hmac-ripemd160-etm@openssh.com': [['6.2', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY]],
'umac-32@openssh.com': [[], [], [WARN_ENCRYPT_AND_MAC, WARN_TAG_SIZE]], # Despite having the @openssh.com suffix, this may never have shipped with OpenSSH (!).
'umac-64-etm@openssh.com': [['6.2'], [], [WARN_TAG_SIZE]],
'umac-96@openssh.com': [[], [], [WARN_ENCRYPT_AND_MAC]], # Despite having the @openssh.com suffix, this may never have shipped with OpenSSH (!).
'umac-128-etm@openssh.com': [['6.2']],
'aes128-gcm': [[]],
'aes256-gcm': [[]],
'chacha20-poly1305@openssh.com': [[]], # Despite the @openssh.com tag, this was never shipped as a MAC in OpenSSH (only as a cipher); it is only implemented as a MAC in Syncplify.
'crypticore-mac@ssh.com': [[], [FAIL_UNPROVEN]],
Added two new MACs: 'AEAD_AES_128_GCM', and 'AEAD_AES_256_GCM'.
2021-06-29 03:59:41 +02:00
'AEAD_AES_128_GCM': [[]],
'AEAD_AES_256_GCM': [[]],
Split ssh_audit.py into separate files (#47).
2020-10-15 20:34:23 +02:00
}
Transformed comment type annotations to variable declaration annotations.
2021-01-21 16:20:48 +01:00
}
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