mirror of https://github.com/jtesta/ssh-audit.git
Added many new algorithms.
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Joe Testa
parent
262e9b1826
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@ -56,8 +56,12 @@ Below is a screen shot of the client-auditing output when an unhardened OpenSSH
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Guides to harden server & client configuration can be found here: [https://www.ssh-audit.com/hardening_guides.html](https://www.ssh-audit.com/hardening_guides.html)
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## ChangeLog
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### v2.2.0 (???)
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### v2.1.2 (???)
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- Added Windows builds.
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- Added 6 new host key types: `ecdsa-sha2-1.3.132.0.10`, `x509v3-sign-dss`, `x509v3-sign-rsa`, `x509v3-sign-rsa-sha256@ssh.com`, `x509v3-ssh-dss`, and `x509v3-ssh-rsa`.
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- Added 18 new key exchanges: `diffie-hellman-group14-sha256@ssh.com`, `diffie-hellman-group15-sha256@ssh.com`, `diffie-hellman-group15-sha384@ssh.com`, `diffie-hellman-group16-sha384@ssh.com`, `diffie-hellman-group16-sha512@ssh.com`, `diffie-hellman-group18-sha512@ssh.com`, `ecdh-sha2-curve25519`, `ecdh-sha2-nistb233`, `ecdh-sha2-nistb409`, `ecdh-sha2-nistk163`, `ecdh-sha2-nistk233`, `ecdh-sha2-nistk283`, `ecdh-sha2-nistk409`, `ecdh-sha2-nistp192`, `ecdh-sha2-nistp224`, `ecdh-sha2-nistt571`, `gss-gex-sha1-`, and `gss-group1-sha1-`.
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- Added 3 new ciphers: `aes128-gcm`, `aes256-gcm`, and `chacha20-poly1305`.
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- Added 2 new MACs: `aes128-gcm` and `aes256-gcm`.
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### v2.1.1 (2019-11-26)
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- Added 2 new host key types: `rsa-sha2-256-cert-v01@openssh.com`, `rsa-sha2-512-cert-v01@openssh.com`.
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37
ssh-audit.py
37
ssh-audit.py
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@ -3,7 +3,7 @@
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"""
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The MIT License (MIT)
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Copyright (C) 2017-2019 Joe Testa (jtesta@positronsecurity.com)
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Copyright (C) 2017-2020 Joe Testa (jtesta@positronsecurity.com)
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Copyright (C) 2017 Andris Raugulis (moo@arthepsy.eu)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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@ -27,7 +27,8 @@
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from __future__ import print_function
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import base64, binascii, errno, hashlib, getopt, io, os, random, re, select, socket, struct, sys, json
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VERSION = 'v2.2.0-dev'
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VERSION = 'v2.1.2-dev'
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SSH_HEADER = 'SSH-{0}-OpenSSH_8.0' # SSH software to impersonate
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if sys.version_info.major < 3:
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@ -50,7 +51,7 @@ except ImportError: # pragma: nocover
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pass
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try: # pragma: nocover
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from colorama import init as colorama_init
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colorama_init() # pragma: nocover
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colorama_init(strip=False) # pragma: nocover
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except ImportError: # pragma: nocover
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pass
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@ -339,25 +340,44 @@ class SSH2(object): # pylint: disable=too-few-public-methods
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'diffie-hellman-group1-sha1': [['2.3.0,d0.28,l10.2', '6.6', '6.9'], [FAIL_OPENSSH67_UNSAFE, FAIL_OPENSSH70_LOGJAM], [WARN_MODULUS_SIZE, WARN_HASH_WEAK]],
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'gss-group1-sha1-toWM5Slw5Ew8Mqkay+al2g==': [[], [FAIL_OPENSSH67_UNSAFE, FAIL_OPENSSH70_LOGJAM], [WARN_MODULUS_SIZE, WARN_HASH_WEAK]],
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'gss-gex-sha1-toWM5Slw5Ew8Mqkay+al2g==': [[], [], [WARN_HASH_WEAK]],
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'gss-gex-sha1-': [[], [], [WARN_HASH_WEAK]],
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'gss-group1-sha1-': [[], [], [WARN_HASH_WEAK]],
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'gss-group14-sha1-': [[], [], [WARN_HASH_WEAK]],
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'gss-group14-sha1-toWM5Slw5Ew8Mqkay+al2g==': [[], [], [WARN_HASH_WEAK]],
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'gss-group14-sha256-toWM5Slw5Ew8Mqkay+al2g==': [[]],
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'gss-group15-sha512-toWM5Slw5Ew8Mqkay+al2g==': [[]],
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'diffie-hellman-group14-sha1': [['3.9,d0.53,l10.6.0'], [], [WARN_HASH_WEAK]],
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'diffie-hellman-group14-sha256': [['7.3,d2016.73']],
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'diffie-hellman-group14-sha256@ssh.com': [[]],
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'diffie-hellman-group15-sha256': [[]],
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'diffie-hellman-group15-sha256@ssh.com': [[]],
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'diffie-hellman-group15-sha384@ssh.com': [[]],
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'diffie-hellman-group15-sha512': [[]],
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'diffie-hellman-group16-sha256': [[]],
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'diffie-hellman-group16-sha384@ssh.com': [[]],
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'diffie-hellman-group16-sha512': [['7.3,d2016.73']],
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'diffie-hellman-group16-sha512@ssh.com': [[]],
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'diffie-hellman-group17-sha512': [[]],
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'diffie-hellman-group18-sha512': [['7.3']],
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'diffie-hellman-group18-sha512@ssh.com': [[]],
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'diffie-hellman-group-exchange-sha1': [['2.3.0', '6.6', None], [FAIL_OPENSSH67_UNSAFE], [WARN_HASH_WEAK]],
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'diffie-hellman-group-exchange-sha256': [['4.4']],
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'diffie-hellman-group-exchange-sha256@ssh.com': [[]],
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'diffie-hellman-group-exchange-sha512@ssh.com': [[]],
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'ecdh-sha2-curve25519': [[], []],
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'ecdh-sha2-nistb233': [[], [WARN_CURVES_WEAK]],
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'ecdh-sha2-nistb409': [[], [WARN_CURVES_WEAK]],
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'ecdh-sha2-nistk163': [[], [WARN_CURVES_WEAK]],
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'ecdh-sha2-nistk233': [[], [WARN_CURVES_WEAK]],
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'ecdh-sha2-nistk283': [[], [WARN_CURVES_WEAK]],
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'ecdh-sha2-nistk409': [[], [WARN_CURVES_WEAK]],
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'ecdh-sha2-nistp192': [[], [WARN_CURVES_WEAK]],
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'ecdh-sha2-nistp224': [[], [WARN_CURVES_WEAK]],
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'ecdh-sha2-nistp256': [['5.7,d2013.62,l10.6.0'], [WARN_CURVES_WEAK]],
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'ecdh-sha2-nistp384': [['5.7,d2013.62'], [WARN_CURVES_WEAK]],
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'ecdh-sha2-nistp521': [['5.7,d2013.62'], [WARN_CURVES_WEAK]],
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'ecdh-sha2-nistt571': [[], [WARN_CURVES_WEAK]],
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'ecdh-sha2-1.3.132.0.10': [[]], # ECDH over secp256k1 (i.e.: the Bitcoin curve)
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'curve25519-sha256@libssh.org': [['6.5,d2013.62,l10.6.0']],
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'curve25519-sha256': [['7.4,d2018.76']],
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@ -379,6 +399,12 @@ class SSH2(object): # pylint: disable=too-few-public-methods
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'ecdsa-sha2-nistp256': [['5.7,d2013.62,l10.6.4'], [WARN_CURVES_WEAK], [WARN_RNDSIG_KEY]],
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'ecdsa-sha2-nistp384': [['5.7,d2013.62,l10.6.4'], [WARN_CURVES_WEAK], [WARN_RNDSIG_KEY]],
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'ecdsa-sha2-nistp521': [['5.7,d2013.62,l10.6.4'], [WARN_CURVES_WEAK], [WARN_RNDSIG_KEY]],
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'ecdsa-sha2-1.3.132.0.10': [[], [], [WARN_RNDSIG_KEY]], # ECDSA over secp256k1 (i.e.: the Bitcoin curve)
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'x509v3-sign-dss': [[], [FAIL_OPENSSH70_WEAK], [WARN_MODULUS_SIZE, WARN_RNDSIG_KEY]],
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'x509v3-sign-rsa': [[], [], [WARN_HASH_WEAK]],
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'x509v3-sign-rsa-sha256@ssh.com': [[]],
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'x509v3-ssh-dss': [[], [FAIL_OPENSSH70_WEAK], [WARN_MODULUS_SIZE, WARN_RNDSIG_KEY]],
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'x509v3-ssh-rsa': [[], [], [WARN_HASH_WEAK]],
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'ssh-rsa-cert-v00@openssh.com': [['5.4', '6.9'], [FAIL_OPENSSH70_LEGACY], []],
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'ssh-dss-cert-v00@openssh.com': [['5.4', '6.9'], [FAIL_OPENSSH70_LEGACY], [WARN_MODULUS_SIZE, WARN_RNDSIG_KEY]],
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'ssh-rsa-cert-v01@openssh.com': [['5.6']],
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@ -432,8 +458,11 @@ class SSH2(object): # pylint: disable=too-few-public-methods
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'aes128-ctr': [['3.7,d0.52,l10.4.1']],
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'aes192-ctr': [['3.7,l10.4.1']],
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'aes256-ctr': [['3.7,d0.52,l10.4.1']],
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'aes128-gcm': [[]],
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'aes256-gcm': [[]],
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'aes128-gcm@openssh.com': [['6.2']],
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'aes256-gcm@openssh.com': [['6.2']],
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'chacha20-poly1305': [[], [], [], [INFO_OPENSSH69_CHACHA]],
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'chacha20-poly1305@openssh.com': [['6.5'], [], [], [INFO_OPENSSH69_CHACHA]],
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},
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'mac': {
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@ -475,6 +504,8 @@ class SSH2(object): # pylint: disable=too-few-public-methods
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'umac-64-etm@openssh.com': [['6.2'], [], [WARN_TAG_SIZE]],
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'umac-96@openssh.com': [[], [], [WARN_ENCRYPT_AND_MAC]], # Despite having the @openssh.com suffix, this may never have shipped with OpenSSH (!).
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'umac-128-etm@openssh.com': [['6.2']],
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'aes128-gcm': [[]],
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'aes256-gcm': [[]],
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}
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} # type: Dict[str, Dict[str, List[List[Optional[str]]]]]
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