elie/ssh-audit
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Use OpenSSH 7.2 banner.

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Add OpenSSH 7.2 warning messages.
Fix OpenSSH 7.0 failure messages.
Add forgotten failure on rijndael-cbc.
Bump version.
This commit is contained in:
Andris Raugulis 2016-03-07 12:58:13 +02:00
parent b074d4a3ce
commit d834074378
1 changed files with 14 additions and 12 deletions
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26
ssh-audit.py
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@ -26,13 +26,13 @@
from __future__ import print_function
import os, io, sys, socket, struct
SSH_BANNER = 'SSH-2.0-OpenSSH_7.1'
SSH_BANNER = 'SSH-2.0-OpenSSH_7.2'
SOCK_CONN_TIMEOUT = 3.0
SOCK_READ_TIMEOUT = 5.0
def usage():
p = os.path.basename(sys.argv[0])
out.head('# {0} v1.0.20160105, moo@arthepsy.eu'.format(p))
out.head('# {0} v1.0.20160207, moo@arthepsy.eu'.format(p))
out.info('\nusage: {} [-nv] host[:port]\n'.format(p))
out.info(' -v verbose')
out.info(' -n disable colors' + os.linesep)
@ -141,8 +141,8 @@ def get_ssh_ver(versions):
tv.append('OpenSSH {0}'.format(v))
return 'available since ' + ', '.join(tv).rstrip(', ')
WARN_OPENSSH72_LEGACY = 'removed (in client) since OpenSSH 7.2, legacy algorithm'
WARN_OPENSSH70_LEGACY = 'removed since OpenSSH 7.0, legacy 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.'
@ -177,6 +177,8 @@ KEX_DB = {
'kexguess2@matt.ucc.asn.au': ['d2013.57'],
},
'key': {
'rsa-sha2-256': ['7.2'],
'rsa-sha2-512': ['7.2'],
'ssh-ed25519': ['6.5'],
'ssh-ed25519-cert-v01@openssh.com': ['6.5'],
'ssh-rsa': ['2.5.0,d0.28'],
@ -184,8 +186,8 @@ KEX_DB = {
'ecdsa-sha2-nistp256': ['5.7,d2013.62', [TEXT_CURVES_WEAK], [TEXT_RNDSIG_KEY]],
'ecdsa-sha2-nistp384': ['5.7,d2013.62', [TEXT_CURVES_WEAK], [TEXT_RNDSIG_KEY]],
'ecdsa-sha2-nistp521': ['5.7,d2013.62', [TEXT_CURVES_WEAK], [TEXT_RNDSIG_KEY]],
'ssh-rsa-cert-v00@openssh.com': ['5.4', [], [WARN_OPENSSH70_LEGACY]],
'ssh-dss-cert-v00@openssh.com': ['5.4', [FAIL_OPENSSH70_WEAK], [WARN_OPENSSH70_LEGACY, TEXT_MODULUS_SIZE, TEXT_RNDSIG_KEY]],
'ssh-rsa-cert-v00@openssh.com': ['5.4', [FAIL_OPENSSH70_LEGACY], []],
'ssh-dss-cert-v00@openssh.com': ['5.4', [FAIL_OPENSSH70_LEGACY], [TEXT_MODULUS_SIZE, TEXT_RNDSIG_KEY]],
'ssh-rsa-cert-v01@openssh.com': ['5.6'],
'ssh-dss-cert-v01@openssh.com': ['5.6', [FAIL_OPENSSH70_WEAK], [TEXT_MODULUS_SIZE, TEXT_RNDSIG_KEY]],
'ecdsa-sha2-nistp256-cert-v01@openssh.com': ['5.7', [TEXT_CURVES_WEAK], [TEXT_RNDSIG_KEY]],
@ -212,7 +214,7 @@ KEX_DB = {
'rijndael128-cbc': ['2.3.0', [FAIL_OPENSSH31_REMOVE], [TEXT_CIPHER_MODE]],
'rijndael192-cbc': ['2.3.0', [FAIL_OPENSSH31_REMOVE], [TEXT_CIPHER_MODE]],
'rijndael256-cbc': ['2.3.0', [FAIL_OPENSSH31_REMOVE], [TEXT_CIPHER_MODE]],
'rijndael-cbc@lysator.liu.se': ['2.3.0', [], [WARN_OPENSSH72_LEGACY, TEXT_CIPHER_MODE]],
'rijndael-cbc@lysator.liu.se': ['2.3.0', [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, TEXT_CIPHER_MODE]],
'aes128-ctr': ['3.7,d0.52'],
'aes192-ctr': ['3.7'],
'aes256-ctr': ['3.7,d0.52'],
@ -223,24 +225,24 @@ KEX_DB = {
'mac': {
'none': ['d2013.56', [FAIL_PLAINTEXT]],
'hmac-sha1': ['2.1.0,d0.28', [], [TEXT_ENCRYPT_AND_MAC, TEXT_HASH_WEAK]],
'hmac-sha1-96': ['2.5.0,d0.47', [FAIL_OPENSSH67_UNSAFE], [TEXT_ENCRYPT_AND_MAC, TEXT_HASH_WEAK]],
'hmac-sha1-96': ['2.5.0,d0.47', [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, TEXT_ENCRYPT_AND_MAC, TEXT_HASH_WEAK]],
'hmac-sha2-256': ['5.9,d2013.56', [], [TEXT_ENCRYPT_AND_MAC]],
'hmac-sha2-256-96': ['5.9', [FAIL_OPENSSH61_REMOVE], [TEXT_ENCRYPT_AND_MAC]],
'hmac-sha2-512': ['5.9,d2013.56', [], [TEXT_ENCRYPT_AND_MAC]],
'hmac-sha2-512-96': ['5.9', [FAIL_OPENSSH61_REMOVE], [TEXT_ENCRYPT_AND_MAC]],
'hmac-md5': ['2.1.0,d0.28', [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, TEXT_ENCRYPT_AND_MAC, TEXT_HASH_WEAK]],
'hmac-md5-96': ['2.5.0', [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, TEXT_ENCRYPT_AND_MAC, TEXT_HASH_WEAK]],
'hmac-ripemd160': ['2.5.0', [FAIL_OPENSSH67_UNSAFE], [TEXT_ENCRYPT_AND_MAC]],
'hmac-ripemd160@openssh.com': ['2.1.0', [FAIL_OPENSSH67_UNSAFE], [TEXT_ENCRYPT_AND_MAC]],
'hmac-ripemd160': ['2.5.0', [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, TEXT_ENCRYPT_AND_MAC]],
'hmac-ripemd160@openssh.com': ['2.1.0', [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, TEXT_ENCRYPT_AND_MAC]],
'umac-64@openssh.com': ['4.7', [], [TEXT_ENCRYPT_AND_MAC, TEXT_TAG_SIZE]],
'umac-128@openssh.com': ['6.2', [], [TEXT_ENCRYPT_AND_MAC]],
'hmac-sha1-etm@openssh.com': ['6.2', [], [TEXT_HASH_WEAK]],
'hmac-sha1-etm@openssh.com': ['6.2', [], [WARN_OPENSSH72_LEGACY, TEXT_HASH_WEAK]],
'hmac-sha1-96-etm@openssh.com': ['6.2', [FAIL_OPENSSH67_UNSAFE], [TEXT_HASH_WEAK]],
'hmac-sha2-256-etm@openssh.com': ['6.2'],
'hmac-sha2-512-etm@openssh.com': ['6.2'],
'hmac-md5-etm@openssh.com': ['6.2', [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, TEXT_HASH_WEAK]],
'hmac-md5-96-etm@openssh.com': ['6.2', [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, TEXT_HASH_WEAK]],
'hmac-ripemd160-etm@openssh.com': ['6.2', [FAIL_OPENSSH67_UNSAFE]],
'hmac-ripemd160-etm@openssh.com': ['6.2', [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY]],
'umac-64-etm@openssh.com': ['6.2', [], [TEXT_TAG_SIZE]],
'umac-128-etm@openssh.com': ['6.2'],
}