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Merge 3361b176d5 into e42961fa9a

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This commit is contained in:
Daniel Lenski
2024-07-03 11:40:29 -04:00
committed by GitHub
parent e42961fa9a 3361b176d5
commit ec2cbd251d
4 changed files with 13 additions and 1 deletions
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src/ssh_audit/hostkeytest.py
+4
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@@ -52,6 +52,9 @@ class HostKeyTest:
'ssh-ed25519': {'cert': False, 'variable_key_len': False},
'ssh-ed25519-cert-v01@openssh.com': {'cert': True, 'variable_key_len': False},
'ssh-ed448': {'cert': False, 'variable_key_len': False},
# 'ssh-ed448-cert-v01@openssh.com': {'cert': True, 'variable_key_len': False},
}
TWO2K_MODULUS_WARNING = '2048-bit modulus only provides 112-bits of symmetric strength'
@@ -157,6 +160,7 @@ class HostKeyTest:
ca_key_type = kex_group.get_ca_type()
ca_modulus_size = kex_group.get_ca_size()
out.d("Hostkey type: [%s]; hostkey size: %u; CA type: [%s]; CA modulus size: %u" % (host_key_type, hostkey_modulus_size, ca_key_type, ca_modulus_size), write_now=True)
out.d("Raw hostkey bytes (%d): [%s]" % (len(raw_hostkey_bytes), raw_hostkey_bytes.hex()), write_now=True)
# Record all the host key info.
server_kex.set_host_key(host_key_type, raw_hostkey_bytes, hostkey_modulus_size, ca_key_type, ca_modulus_size)
src/ssh_audit/kexdh.py
+3
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@@ -134,6 +134,9 @@ class KexDH: # pragma: nocover
if self.__hostkey_type == 'ssh-ed25519':
self.out.d("%s has a fixed host key modulus of 32." % self.__hostkey_type)
self.__hostkey_n_len = 32
elif self.__hostkey_type == 'ssh-ed448':
self.out.d("%s has a fixed host key modulus of 57." % self.__hostkey_type)
self.__hostkey_n_len = 57
else:
# Here is the modulus size & actual modulus of the host key public key.
hostkey_n, self.__hostkey_n_len, ptr = KexDH.__get_bytes(hostkey, ptr)
src/ssh_audit/software.py
+4
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@@ -224,4 +224,8 @@ class Software:
mx = re.match(r'^PuTTY_Release_(.*)', software)
if mx:
return cls(None, Product.PuTTY, mx.group(1), None, None)
mx = re.match(r'^lancom(.*)', software)
if mx:
v, p = 'LANcom', 'LCOS sshd'
return cls(v, p, mx.group(1), None, None)
return None
src/ssh_audit/ssh2_kexdb.py
+2 -1
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@@ -68,6 +68,7 @@ class SSH2_KexDB: # pylint: disable=too-few-public-methods
INFO_DEPRECATED_IN_OPENSSH88 = 'deprecated in OpenSSH 8.8: https://www.openssh.com/txt/release-8.8'
INFO_DISABLED_IN_DBEAR67 = 'disabled in Dropbear SSH 2015.67'
INFO_DISABLED_IN_OPENSSH70 = 'disabled in OpenSSH 7.0: https://www.openssh.com/txt/release-7.0'
INFO_RFC8709_NOT_OPENSSH = 'described in RFC8709 but never implemented in OpenSSH'
INFO_NEVER_IMPLEMENTED_IN_OPENSSH = 'despite the @openssh.com tag, this was never implemented in OpenSSH'
INFO_REMOVED_IN_OPENSSH61 = 'removed since OpenSSH 6.1, removed from specification'
INFO_REMOVED_IN_OPENSSH69 = 'removed in OpenSSH 6.9: https://www.openssh.com/txt/release-6.9'
@@ -245,7 +246,7 @@ class SSH2_KexDB: # pylint: disable=too-few-public-methods
'ssh-dss-sha512@ssh.com': [[], [FAIL_1024BIT_MODULUS]],
'ssh-ed25519': [['6.5,d2020.79,l10.7.0']],
'ssh-ed25519-cert-v01@openssh.com': [['6.5']],
'ssh-ed448': [[]],
'ssh-ed448': [[], [], [], [INFO_RFC8709_NOT_OPENSSH]],
'ssh-ed448-cert-v01@openssh.com': [[], [], [], [INFO_NEVER_IMPLEMENTED_IN_OPENSSH]],
'ssh-gost2001': [[], [FAIL_UNTRUSTED]],
'ssh-gost2012-256': [[], [FAIL_UNTRUSTED]],