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Add Dropbear SSH historical information.

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This commit is contained in:
Andris Raugulis 2015-12-30 13:07:50 +02:00
parent f15f7dac23
commit 92e6aabcc8
1 changed files with 40 additions and 24 deletions
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64
ssh-audit.py
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@ -132,8 +132,14 @@ class SockBuf(ReadBuf):
self._buf.seek(pos, 0)
def get_ssh_ver(v):
return 'available since OpenSSH {0}'.format(v)
def get_ssh_ver(versions):
tv = []
for v in versions.split(','):
if v.startswith('d'):
tv.append('Dropbear SSH {0}'.format(v[1:]))
else:
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'
@ -143,25 +149,29 @@ 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'
FAIL_DBEAR67_DISABLED = 'disabled since Dropbear SSH 2015.67'
FAIL_DBEAR53_DISABLED = 'disabled since Dropbear SSH 0.53'
KEX_DB = {
'kex': {
'diffie-hellman-group1-sha1': ['2.3.0', [FAIL_OPENSSH67_UNSAFE, FAIL_OPENSSH70_LOGJAM]],
'diffie-hellman-group14-sha1': ['3.9'],
'diffie-hellman-group1-sha1': ['2.3.0,d0.28', [FAIL_OPENSSH67_UNSAFE, FAIL_OPENSSH70_LOGJAM]],
'diffie-hellman-group14-sha1': ['3.9,d0.53'],
'diffie-hellman-group-exchange-sha1': ['2.3.0', [FAIL_OPENSSH67_UNSAFE]],
'diffie-hellman-group-exchange-sha256': ['4.4'],
'ecdh-sha2-nistp256': ['5.7'],
'ecdh-sha2-nistp384': ['5.7'],
'ecdh-sha2-nistp521': ['5.7'],
'curve25519-sha256@libssh.org': ['6.5'],
'ecdh-sha2-nistp256': ['5.7,d2013.62'],
'ecdh-sha2-nistp384': ['5.7,d2013.62'],
'ecdh-sha2-nistp521': ['5.7,d2013.62'],
'curve25519-sha256@libssh.org': ['6.5,d2013.62'],
'kexguess2@matt.ucc.asn.au': ['d2013.57'],
},
'key': {
'ssh-ed25519': ['6.5'],
'ssh-ed25519-cert-v01@openssh.com': ['6.5'],
'ssh-rsa': ['2.5.0'],
'ssh-dss': ['2.1.0', [FAIL_OPENSSH70_WEAK]],
'ecdsa-sha2-nistp256': ['5.7'],
'ecdsa-sha2-nistp384': ['5.7'],
'ecdsa-sha2-nistp521': ['5.7'],
'ssh-rsa': ['2.5.0,d0.28'],
'ssh-dss': ['2.1.0,d0.28', [FAIL_OPENSSH70_WEAK]],
'ecdsa-sha2-nistp256': ['5.7,d2013.62'],
'ecdsa-sha2-nistp384': ['5.7,d2013.62'],
'ecdsa-sha2-nistp521': ['5.7,d2013.62'],
'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]],
'ssh-rsa-cert-v01@openssh.com': ['5.6'],
@ -171,34 +181,40 @@ KEX_DB = {
'ecdsa-sha2-nistp521-cert-v01@openssh.com': ['5.7'],
},
'enc': {
'3des-cbc': ['1.2.2', [FAIL_OPENSSH67_UNSAFE]],
'blowfish-cbc': ['1.2.2', [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY]],
'3des-cbc': ['1.2.2,d0.28', [FAIL_OPENSSH67_UNSAFE]],
'3des-ctr': ['d0.52'],
'blowfish-cbc': ['1.2.2,d0.28', [FAIL_OPENSSH67_UNSAFE, FAIL_DBEAR53_DISABLED], [WARN_OPENSSH72_LEGACY]],
'twofish-cbc': ['d0.28', [FAIL_DBEAR67_DISABLED]],
'twofish128-cbc': ['d0.47', [FAIL_DBEAR67_DISABLED]],
'twofish256-cbc': ['d0.47', [FAIL_DBEAR67_DISABLED]],
'twofish128-ctr': ['d2015.68'],
'twofish256-ctr': ['d2015.68'],
'cast128-cbc': ['2.1.0', [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY]],
'arcfour': ['2.1.0', [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY]],
'arcfour128': ['4.2', [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY]],
'arcfour256': ['4.2', [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY]],
'aes128-cbc': ['2.3.0', [FAIL_OPENSSH67_UNSAFE]],
'aes128-cbc': ['2.3.0,d0.28', [FAIL_OPENSSH67_UNSAFE]],
'aes192-cbc': ['2.3.0', [FAIL_OPENSSH67_UNSAFE]],
'aes256-cbc': ['2.3.0', [FAIL_OPENSSH67_UNSAFE]],
'aes256-cbc': ['2.3.0,d0.47', [FAIL_OPENSSH67_UNSAFE]],
'rijndael128-cbc': ['2.3.0', [FAIL_OPENSSH31_REMOVE]],
'rijndael192-cbc': ['2.3.0', [FAIL_OPENSSH31_REMOVE]],
'rijndael256-cbc': ['2.3.0', [FAIL_OPENSSH31_REMOVE]],
'rijndael-cbc@lysator.liu.se': ['2.3.0', [], [WARN_OPENSSH72_LEGACY]],
'aes128-ctr': ['3.7'],
'aes128-ctr': ['3.7,d0.52'],
'aes192-ctr': ['3.7'],
'aes256-ctr': ['3.7'],
'aes256-ctr': ['3.7,d0.52'],
'aes128-gcm@openssh.com': ['6.2'],
'aes256-gcm@openssh.com': ['6.2'],
'chacha20-poly1305@openssh.com': ['6.5', [], [], [INFO_OPENSSH69_CHACHA]],
},
'mac': {
'hmac-sha1': ['2.1.0'],
'hmac-sha1-96': ['2.5.0', [FAIL_OPENSSH67_UNSAFE]],
'hmac-sha2-256': ['5.9'],
'hmac-sha1': ['2.1.0,d0.28'],
'hmac-sha1-96': ['2.5.0,d0.47', [FAIL_OPENSSH67_UNSAFE]],
'hmac-sha2-256': ['5.9,d2013.56'],
'hmac-sha2-256-96': ['5.9', [FAIL_OPENSSH61_REMOVE]],
'hmac-sha2-512': ['5.9'],
'hmac-sha2-512': ['5.9,d2013.56'],
'hmac-sha2-512-96': ['5.9', [FAIL_OPENSSH61_REMOVE]],
'hmac-md5': ['2.1.0', [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY]],
'hmac-md5': ['2.1.0,d0.28', [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY]],
'hmac-md5-96': ['2.5.0', [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY]],
'hmac-ripemd160': ['2.5.0', [FAIL_OPENSSH67_UNSAFE]],
'hmac-ripemd160@openssh.com': ['2.1.0', [FAIL_OPENSSH67_UNSAFE]],