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Added MD5 fingerprint hashes to verbose output.

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This commit is contained in:
Joe Testa 2021-05-20 18:03:24 -04:00
parent e508a963e7
commit 07862489c4
15 changed files with 35 additions and 24 deletions
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2
README.md
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@ -177,7 +177,9 @@ For convenience, a web front-end on top of the command-line tool is available at
## ChangeLog ## ChangeLog
### v2.5.0-dev (???) ### v2.5.0-dev (???)
- Fixed crash when running host key tests. - Fixed crash when running host key tests.
- Added MD5 fingerprints to verbose output.
- Added `-d`/`--debug` option for getting debugging output; credit [Adam Russell](https://github.com/thecliguy). - Added `-d`/`--debug` option for getting debugging output; credit [Adam Russell](https://github.com/thecliguy).
- Updated JSON output to include MD5 fingerprints. Note that this results in a breaking change in the 'fingerprints' dictionary format.
- Added 1 new MAC: `hmac-ripemd160-96`. - Added 1 new MAC: `hmac-ripemd160-96`.
### v2.4.0 (2021-02-23) ### v2.4.0 (2021-02-23)

31
src/ssh_audit/ssh_audit.py
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@ -264,7 +264,7 @@ def output_security(out: OutputBuffer, banner: Optional[Banner], client_audit: b
out.sep() out.sep()
def output_fingerprints(out: OutputBuffer, algs: Algorithms, is_json_output: bool, sha256: bool = True) -> None: def output_fingerprints(out: OutputBuffer, algs: Algorithms, is_json_output: bool) -> None:
with out: with out:
fps = [] fps = []
if algs.ssh1kex is not None: if algs.ssh1kex is not None:
@ -291,10 +291,12 @@ def output_fingerprints(out: OutputBuffer, algs: Algorithms, is_json_output: boo
fps = sorted(fps) fps = sorted(fps)
for fpp in fps: for fpp in fps:
name, fp = fpp name, fp = fpp
fpo = fp.sha256 if sha256 else fp.md5 out.good('(fin) {}: {}'.format(name, fp.sha256))
# p = '' if out.batch else ' ' * (padlen - len(name))
# out.good('(fin) {0}{1} -- {2} {3}'.format(name, p, bits, fpo)) # Output the MD5 hash too if verbose mode is enabled.
out.good('(fin) {}: {}'.format(name, fpo)) if out.verbose:
out.info('(fin) {}: {} -- [info] do not rely on MD5 fingerprints for server identification; it is insecure for this use case'.format(name, fp.md5))
if not out.is_section_empty() and not is_json_output: if not out.is_section_empty() and not is_json_output:
out.head('# fingerprints') out.head('# fingerprints')
out.flush_section() out.flush_section()
@ -468,7 +470,7 @@ def output(out: OutputBuffer, aconf: AuditConf, banner: Optional[Banner], header
program_retval = output_algorithms(out, title, adb, atype, kex.server.encryption, unknown_algorithms, aconf.json, program_retval, maxlen) program_retval = output_algorithms(out, title, adb, atype, kex.server.encryption, unknown_algorithms, aconf.json, program_retval, maxlen)
title, atype = 'message authentication code algorithms', 'mac' title, atype = 'message authentication code algorithms', 'mac'
program_retval = output_algorithms(out, title, adb, atype, kex.server.mac, unknown_algorithms, aconf.json, program_retval, maxlen) program_retval = output_algorithms(out, title, adb, atype, kex.server.mac, unknown_algorithms, aconf.json, program_retval, maxlen)
output_fingerprints(out, algs, aconf.json, True) output_fingerprints(out, algs, aconf.json)
perfect_config = output_recommendations(out, algs, software, aconf.json, maxlen) perfect_config = output_recommendations(out, algs, software, aconf.json, maxlen)
output_info(out, software, client_audit, not perfect_config, aconf.json) output_info(out, software, client_audit, not perfect_config, aconf.json)
@ -787,11 +789,18 @@ def build_struct(target_host: str, banner: Optional['Banner'], kex: Optional['SS
# Skip over certificate host types (or we would return invalid fingerprints). # Skip over certificate host types (or we would return invalid fingerprints).
if '-cert-' in host_key_type: if '-cert-' in host_key_type:
continue continue
entry = {
'type': host_key_type, # Add the SHA256 and MD5 fingerprints.
'fp': fp.sha256, res['fingerprints'].append({
} 'hostkey': host_key_type,
res['fingerprints'].append(entry) 'hash_alg': 'SHA256',
'hash': fp.sha256[7:]
})
res['fingerprints'].append({
'hostkey': host_key_type,
'hash_alg': 'MD5',
'hash': fp.md5[4:]
})
else: else:
pkm_supported_ciphers = None pkm_supported_ciphers = None
pkm_supported_authentications = None pkm_supported_authentications = None

2
test/docker/expected_results/dropbear_2019.78_test1.json
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@ -1 +1 @@
{"banner": {"comments": null, "protocol": [2, 0], "raw": "SSH-2.0-dropbear_2019.78", "software": "dropbear_2019.78"}, "compression": ["zlib@openssh.com", "none"], "enc": ["aes128-ctr", "aes256-ctr", "aes128-cbc", "aes256-cbc", "3des-ctr", "3des-cbc"], "fingerprints": [{"fp": "SHA256:CDfAU12pjQS7/91kg7gYacza0U/6PDbE04Ic3IpYxkM", "type": "ssh-rsa"}], "kex": [{"algorithm": "curve25519-sha256"}, {"algorithm": "curve25519-sha256@libssh.org"}, {"algorithm": "ecdh-sha2-nistp521"}, {"algorithm": "ecdh-sha2-nistp384"}, {"algorithm": "ecdh-sha2-nistp256"}, {"algorithm": "diffie-hellman-group14-sha256"}, {"algorithm": "diffie-hellman-group14-sha1"}, {"algorithm": "kexguess2@matt.ucc.asn.au"}], "key": [{"algorithm": "ecdsa-sha2-nistp256"}, {"algorithm": "ssh-rsa", "keysize": 1024}, {"algorithm": "ssh-dss"}], "mac": ["hmac-sha1-96", "hmac-sha1", "hmac-sha2-256"], "target": "localhost"} {"banner": {"comments": null, "protocol": [2, 0], "raw": "SSH-2.0-dropbear_2019.78", "software": "dropbear_2019.78"}, "compression": ["zlib@openssh.com", "none"], "enc": ["aes128-ctr", "aes256-ctr", "aes128-cbc", "aes256-cbc", "3des-ctr", "3des-cbc"], "fingerprints": [{"hash": "CDfAU12pjQS7/91kg7gYacza0U/6PDbE04Ic3IpYxkM", "hash_alg": "SHA256", "hostkey": "ssh-rsa"}, {"hash": "63:7f:54:f7:0a:28:7f:75:0b:f4:07:0b:fc:66:51:a2", "hash_alg": "MD5", "hostkey": "ssh-rsa"}], "kex": [{"algorithm": "curve25519-sha256"}, {"algorithm": "curve25519-sha256@libssh.org"}, {"algorithm": "ecdh-sha2-nistp521"}, {"algorithm": "ecdh-sha2-nistp384"}, {"algorithm": "ecdh-sha2-nistp256"}, {"algorithm": "diffie-hellman-group14-sha256"}, {"algorithm": "diffie-hellman-group14-sha1"}, {"algorithm": "kexguess2@matt.ucc.asn.au"}], "key": [{"algorithm": "ecdsa-sha2-nistp256"}, {"algorithm": "ssh-rsa", "keysize": 1024}, {"algorithm": "ssh-dss"}], "mac": ["hmac-sha1-96", "hmac-sha1", "hmac-sha2-256"], "target": "localhost"}

2
test/docker/expected_results/openssh_4.0p1_test1.json
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@ -1 +1 @@
{"banner": {"comments": null, "protocol": [1, 99], "raw": "SSH-1.99-OpenSSH_4.0", "software": "OpenSSH_4.0"}, "compression": ["none", "zlib"], "enc": ["aes128-cbc", "3des-cbc", "blowfish-cbc", "cast128-cbc", "arcfour", "aes192-cbc", "aes256-cbc", "rijndael-cbc@lysator.liu.se", "aes128-ctr", "aes192-ctr", "aes256-ctr"], "fingerprints": [{"fp": "SHA256:YZ457EBcJTSxRKI3yXRgtAj3PBf5B9/F36b1SVooml4", "type": "ssh-rsa"}], "kex": [{"algorithm": "diffie-hellman-group-exchange-sha1", "keysize": 1024}, {"algorithm": "diffie-hellman-group14-sha1"}, {"algorithm": "diffie-hellman-group1-sha1"}], "key": [{"algorithm": "ssh-rsa", "keysize": 1024}, {"algorithm": "ssh-dss"}], "mac": ["hmac-md5", "hmac-sha1", "hmac-ripemd160", "hmac-ripemd160@openssh.com", "hmac-sha1-96", "hmac-md5-96"], "target": "localhost"} {"banner": {"comments": null, "protocol": [1, 99], "raw": "SSH-1.99-OpenSSH_4.0", "software": "OpenSSH_4.0"}, "compression": ["none", "zlib"], "enc": ["aes128-cbc", "3des-cbc", "blowfish-cbc", "cast128-cbc", "arcfour", "aes192-cbc", "aes256-cbc", "rijndael-cbc@lysator.liu.se", "aes128-ctr", "aes192-ctr", "aes256-ctr"], "fingerprints": [{"hash": "YZ457EBcJTSxRKI3yXRgtAj3PBf5B9/F36b1SVooml4", "hash_alg": "SHA256", "hostkey": "ssh-rsa"}, {"hash": "3c:c3:38:f8:55:39:c0:4a:5a:17:89:60:2c:a1:fc:6a", "hash_alg": "MD5", "hostkey": "ssh-rsa"}], "kex": [{"algorithm": "diffie-hellman-group-exchange-sha1", "keysize": 1024}, {"algorithm": "diffie-hellman-group14-sha1"}, {"algorithm": "diffie-hellman-group1-sha1"}], "key": [{"algorithm": "ssh-rsa", "keysize": 1024}, {"algorithm": "ssh-dss"}], "mac": ["hmac-md5", "hmac-sha1", "hmac-ripemd160", "hmac-ripemd160@openssh.com", "hmac-sha1-96", "hmac-md5-96"], "target": "localhost"}

2
test/docker/expected_results/openssh_5.6p1_test1.json
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@ -1 +1 @@
{"banner": {"comments": null, "protocol": [2, 0], "raw": "SSH-2.0-OpenSSH_5.6", "software": "OpenSSH_5.6"}, "compression": ["none", "zlib@openssh.com"], "enc": ["aes128-ctr", "aes192-ctr", "aes256-ctr", "arcfour256", "arcfour128", "aes128-cbc", "3des-cbc", "blowfish-cbc", "cast128-cbc", "aes192-cbc", "aes256-cbc", "arcfour", "rijndael-cbc@lysator.liu.se"], "fingerprints": [{"fp": "SHA256:YZ457EBcJTSxRKI3yXRgtAj3PBf5B9/F36b1SVooml4", "type": "ssh-rsa"}], "kex": [{"algorithm": "diffie-hellman-group-exchange-sha256", "keysize": 1024}, {"algorithm": "diffie-hellman-group-exchange-sha1", "keysize": 1024}, {"algorithm": "diffie-hellman-group14-sha1"}, {"algorithm": "diffie-hellman-group1-sha1"}], "key": [{"algorithm": "ssh-rsa", "keysize": 1024}, {"algorithm": "ssh-dss"}], "mac": ["hmac-md5", "hmac-sha1", "umac-64@openssh.com", "hmac-ripemd160", "hmac-ripemd160@openssh.com", "hmac-sha1-96", "hmac-md5-96"], "target": "localhost"} {"banner": {"comments": null, "protocol": [2, 0], "raw": "SSH-2.0-OpenSSH_5.6", "software": "OpenSSH_5.6"}, "compression": ["none", "zlib@openssh.com"], "enc": ["aes128-ctr", "aes192-ctr", "aes256-ctr", "arcfour256", "arcfour128", "aes128-cbc", "3des-cbc", "blowfish-cbc", "cast128-cbc", "aes192-cbc", "aes256-cbc", "arcfour", "rijndael-cbc@lysator.liu.se"], "fingerprints": [{"hash": "YZ457EBcJTSxRKI3yXRgtAj3PBf5B9/F36b1SVooml4", "hash_alg": "SHA256", "hostkey": "ssh-rsa"}, {"hash": "3c:c3:38:f8:55:39:c0:4a:5a:17:89:60:2c:a1:fc:6a", "hash_alg": "MD5", "hostkey": "ssh-rsa"}], "kex": [{"algorithm": "diffie-hellman-group-exchange-sha256", "keysize": 1024}, {"algorithm": "diffie-hellman-group-exchange-sha1", "keysize": 1024}, {"algorithm": "diffie-hellman-group14-sha1"}, {"algorithm": "diffie-hellman-group1-sha1"}], "key": [{"algorithm": "ssh-rsa", "keysize": 1024}, {"algorithm": "ssh-dss"}], "mac": ["hmac-md5", "hmac-sha1", "umac-64@openssh.com", "hmac-ripemd160", "hmac-ripemd160@openssh.com", "hmac-sha1-96", "hmac-md5-96"], "target": "localhost"}

2
test/docker/expected_results/openssh_5.6p1_test2.json
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@ -1 +1 @@
{"banner": {"comments": null, "protocol": [2, 0], "raw": "SSH-2.0-OpenSSH_5.6", "software": "OpenSSH_5.6"}, "compression": ["none", "zlib@openssh.com"], "enc": ["aes128-ctr", "aes192-ctr", "aes256-ctr", "arcfour256", "arcfour128", "aes128-cbc", "3des-cbc", "blowfish-cbc", "cast128-cbc", "aes192-cbc", "aes256-cbc", "arcfour", "rijndael-cbc@lysator.liu.se"], "fingerprints": [{"fp": "SHA256:YZ457EBcJTSxRKI3yXRgtAj3PBf5B9/F36b1SVooml4", "type": "ssh-rsa"}], "kex": [{"algorithm": "diffie-hellman-group-exchange-sha256", "keysize": 1024}, {"algorithm": "diffie-hellman-group-exchange-sha1", "keysize": 1024}, {"algorithm": "diffie-hellman-group14-sha1"}, {"algorithm": "diffie-hellman-group1-sha1"}], "key": [{"algorithm": "ssh-rsa", "keysize": 1024}, {"algorithm": "ssh-rsa-cert-v01@openssh.com", "casize": 1024, "keysize": 1024}], "mac": ["hmac-md5", "hmac-sha1", "umac-64@openssh.com", "hmac-ripemd160", "hmac-ripemd160@openssh.com", "hmac-sha1-96", "hmac-md5-96"], "target": "localhost"} {"banner": {"comments": null, "protocol": [2, 0], "raw": "SSH-2.0-OpenSSH_5.6", "software": "OpenSSH_5.6"}, "compression": ["none", "zlib@openssh.com"], "enc": ["aes128-ctr", "aes192-ctr", "aes256-ctr", "arcfour256", "arcfour128", "aes128-cbc", "3des-cbc", "blowfish-cbc", "cast128-cbc", "aes192-cbc", "aes256-cbc", "arcfour", "rijndael-cbc@lysator.liu.se"], "fingerprints": [{"hash": "YZ457EBcJTSxRKI3yXRgtAj3PBf5B9/F36b1SVooml4", "hash_alg": "SHA256", "hostkey": "ssh-rsa"}, {"hash": "3c:c3:38:f8:55:39:c0:4a:5a:17:89:60:2c:a1:fc:6a", "hash_alg": "MD5", "hostkey": "ssh-rsa"}], "kex": [{"algorithm": "diffie-hellman-group-exchange-sha256", "keysize": 1024}, {"algorithm": "diffie-hellman-group-exchange-sha1", "keysize": 1024}, {"algorithm": "diffie-hellman-group14-sha1"}, {"algorithm": "diffie-hellman-group1-sha1"}], "key": [{"algorithm": "ssh-rsa", "keysize": 1024}, {"algorithm": "ssh-rsa-cert-v01@openssh.com", "casize": 1024, "keysize": 1024}], "mac": ["hmac-md5", "hmac-sha1", "umac-64@openssh.com", "hmac-ripemd160", "hmac-ripemd160@openssh.com", "hmac-sha1-96", "hmac-md5-96"], "target": "localhost"}

2
test/docker/expected_results/openssh_5.6p1_test3.json
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@ -1 +1 @@
{"banner": {"comments": null, "protocol": [2, 0], "raw": "SSH-2.0-OpenSSH_5.6", "software": "OpenSSH_5.6"}, "compression": ["none", "zlib@openssh.com"], "enc": ["aes128-ctr", "aes192-ctr", "aes256-ctr", "arcfour256", "arcfour128", "aes128-cbc", "3des-cbc", "blowfish-cbc", "cast128-cbc", "aes192-cbc", "aes256-cbc", "arcfour", "rijndael-cbc@lysator.liu.se"], "fingerprints": [{"fp": "SHA256:YZ457EBcJTSxRKI3yXRgtAj3PBf5B9/F36b1SVooml4", "type": "ssh-rsa"}], "kex": [{"algorithm": "diffie-hellman-group-exchange-sha256", "keysize": 1024}, {"algorithm": "diffie-hellman-group-exchange-sha1", "keysize": 1024}, {"algorithm": "diffie-hellman-group14-sha1"}, {"algorithm": "diffie-hellman-group1-sha1"}], "key": [{"algorithm": "ssh-rsa", "keysize": 1024}, {"algorithm": "ssh-rsa-cert-v01@openssh.com", "casize": 3072, "keysize": 1024}], "mac": ["hmac-md5", "hmac-sha1", "umac-64@openssh.com", "hmac-ripemd160", "hmac-ripemd160@openssh.com", "hmac-sha1-96", "hmac-md5-96"], "target": "localhost"} {"banner": {"comments": null, "protocol": [2, 0], "raw": "SSH-2.0-OpenSSH_5.6", "software": "OpenSSH_5.6"}, "compression": ["none", "zlib@openssh.com"], "enc": ["aes128-ctr", "aes192-ctr", "aes256-ctr", "arcfour256", "arcfour128", "aes128-cbc", "3des-cbc", "blowfish-cbc", "cast128-cbc", "aes192-cbc", "aes256-cbc", "arcfour", "rijndael-cbc@lysator.liu.se"], "fingerprints": [{"hash": "YZ457EBcJTSxRKI3yXRgtAj3PBf5B9/F36b1SVooml4", "hash_alg": "SHA256", "hostkey": "ssh-rsa"}, {"hash": "3c:c3:38:f8:55:39:c0:4a:5a:17:89:60:2c:a1:fc:6a", "hash_alg": "MD5", "hostkey": "ssh-rsa"}], "kex": [{"algorithm": "diffie-hellman-group-exchange-sha256", "keysize": 1024}, {"algorithm": "diffie-hellman-group-exchange-sha1", "keysize": 1024}, {"algorithm": "diffie-hellman-group14-sha1"}, {"algorithm": "diffie-hellman-group1-sha1"}], "key": [{"algorithm": "ssh-rsa", "keysize": 1024}, {"algorithm": "ssh-rsa-cert-v01@openssh.com", "casize": 3072, "keysize": 1024}], "mac": ["hmac-md5", "hmac-sha1", "umac-64@openssh.com", "hmac-ripemd160", "hmac-ripemd160@openssh.com", "hmac-sha1-96", "hmac-md5-96"], "target": "localhost"}

2
test/docker/expected_results/openssh_5.6p1_test4.json
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@ -1 +1 @@
{"banner": {"comments": null, "protocol": [2, 0], "raw": "SSH-2.0-OpenSSH_5.6", "software": "OpenSSH_5.6"}, "compression": ["none", "zlib@openssh.com"], "enc": ["aes128-ctr", "aes192-ctr", "aes256-ctr", "arcfour256", "arcfour128", "aes128-cbc", "3des-cbc", "blowfish-cbc", "cast128-cbc", "aes192-cbc", "aes256-cbc", "arcfour", "rijndael-cbc@lysator.liu.se"], "fingerprints": [{"fp": "SHA256:nsWtdJ9Z67Vrf7OsUzQov7esXhsWAfVppArGh25u244", "type": "ssh-rsa"}], "kex": [{"algorithm": "diffie-hellman-group-exchange-sha256", "keysize": 1024}, {"algorithm": "diffie-hellman-group-exchange-sha1", "keysize": 1024}, {"algorithm": "diffie-hellman-group14-sha1"}, {"algorithm": "diffie-hellman-group1-sha1"}], "key": [{"algorithm": "ssh-rsa", "keysize": 3072}, {"algorithm": "ssh-rsa-cert-v01@openssh.com", "casize": 1024, "keysize": 3072}], "mac": ["hmac-md5", "hmac-sha1", "umac-64@openssh.com", "hmac-ripemd160", "hmac-ripemd160@openssh.com", "hmac-sha1-96", "hmac-md5-96"], "target": "localhost"} {"banner": {"comments": null, "protocol": [2, 0], "raw": "SSH-2.0-OpenSSH_5.6", "software": "OpenSSH_5.6"}, "compression": ["none", "zlib@openssh.com"], "enc": ["aes128-ctr", "aes192-ctr", "aes256-ctr", "arcfour256", "arcfour128", "aes128-cbc", "3des-cbc", "blowfish-cbc", "cast128-cbc", "aes192-cbc", "aes256-cbc", "arcfour", "rijndael-cbc@lysator.liu.se"], "fingerprints": [{"hash": "nsWtdJ9Z67Vrf7OsUzQov7esXhsWAfVppArGh25u244", "hash_alg": "SHA256", "hostkey": "ssh-rsa"}, {"hash": "18:e2:51:fe:21:6c:78:d0:b8:cf:32:d4:bd:56:42:e1", "hash_alg": "MD5", "hostkey": "ssh-rsa"}], "kex": [{"algorithm": "diffie-hellman-group-exchange-sha256", "keysize": 1024}, {"algorithm": "diffie-hellman-group-exchange-sha1", "keysize": 1024}, {"algorithm": "diffie-hellman-group14-sha1"}, {"algorithm": "diffie-hellman-group1-sha1"}], "key": [{"algorithm": "ssh-rsa", "keysize": 3072}, {"algorithm": "ssh-rsa-cert-v01@openssh.com", "casize": 1024, "keysize": 3072}], "mac": ["hmac-md5", "hmac-sha1", "umac-64@openssh.com", "hmac-ripemd160", "hmac-ripemd160@openssh.com", "hmac-sha1-96", "hmac-md5-96"], "target": "localhost"}

2
test/docker/expected_results/openssh_5.6p1_test5.json
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@ -1 +1 @@
{"banner": {"comments": null, "protocol": [2, 0], "raw": "SSH-2.0-OpenSSH_5.6", "software": "OpenSSH_5.6"}, "compression": ["none", "zlib@openssh.com"], "enc": ["aes128-ctr", "aes192-ctr", "aes256-ctr", "arcfour256", "arcfour128", "aes128-cbc", "3des-cbc", "blowfish-cbc", "cast128-cbc", "aes192-cbc", "aes256-cbc", "arcfour", "rijndael-cbc@lysator.liu.se"], "fingerprints": [{"fp": "SHA256:nsWtdJ9Z67Vrf7OsUzQov7esXhsWAfVppArGh25u244", "type": "ssh-rsa"}], "kex": [{"algorithm": "diffie-hellman-group-exchange-sha256", "keysize": 1024}, {"algorithm": "diffie-hellman-group-exchange-sha1", "keysize": 1024}, {"algorithm": "diffie-hellman-group14-sha1"}, {"algorithm": "diffie-hellman-group1-sha1"}], "key": [{"algorithm": "ssh-rsa", "keysize": 3072}, {"algorithm": "ssh-rsa-cert-v01@openssh.com", "casize": 3072, "keysize": 3072}], "mac": ["hmac-md5", "hmac-sha1", "umac-64@openssh.com", "hmac-ripemd160", "hmac-ripemd160@openssh.com", "hmac-sha1-96", "hmac-md5-96"], "target": "localhost"} {"banner": {"comments": null, "protocol": [2, 0], "raw": "SSH-2.0-OpenSSH_5.6", "software": "OpenSSH_5.6"}, "compression": ["none", "zlib@openssh.com"], "enc": ["aes128-ctr", "aes192-ctr", "aes256-ctr", "arcfour256", "arcfour128", "aes128-cbc", "3des-cbc", "blowfish-cbc", "cast128-cbc", "aes192-cbc", "aes256-cbc", "arcfour", "rijndael-cbc@lysator.liu.se"], "fingerprints": [{"hash": "nsWtdJ9Z67Vrf7OsUzQov7esXhsWAfVppArGh25u244", "hash_alg": "SHA256", "hostkey": "ssh-rsa"}, {"hash": "18:e2:51:fe:21:6c:78:d0:b8:cf:32:d4:bd:56:42:e1", "hash_alg": "MD5", "hostkey": "ssh-rsa"}], "kex": [{"algorithm": "diffie-hellman-group-exchange-sha256", "keysize": 1024}, {"algorithm": "diffie-hellman-group-exchange-sha1", "keysize": 1024}, {"algorithm": "diffie-hellman-group14-sha1"}, {"algorithm": "diffie-hellman-group1-sha1"}], "key": [{"algorithm": "ssh-rsa", "keysize": 3072}, {"algorithm": "ssh-rsa-cert-v01@openssh.com", "casize": 3072, "keysize": 3072}], "mac": ["hmac-md5", "hmac-sha1", "umac-64@openssh.com", "hmac-ripemd160", "hmac-ripemd160@openssh.com", "hmac-sha1-96", "hmac-md5-96"], "target": "localhost"}

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test/docker/expected_results/openssh_8.0p1_test1.json
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@ -1 +1 @@
{"banner": {"comments": null, "protocol": [2, 0], "raw": "SSH-2.0-OpenSSH_8.0", "software": "OpenSSH_8.0"}, "compression": ["none", "zlib@openssh.com"], "enc": ["chacha20-poly1305@openssh.com", "aes128-ctr", "aes192-ctr", "aes256-ctr", "aes128-gcm@openssh.com", "aes256-gcm@openssh.com"], "fingerprints": [{"fp": "SHA256:UrnXIVH+7dlw8UqYocl48yUEcKrthGDQG2CPCgp7MxU", "type": "ssh-ed25519"}, {"fp": "SHA256:nsWtdJ9Z67Vrf7OsUzQov7esXhsWAfVppArGh25u244", "type": "ssh-rsa"}], "kex": [{"algorithm": "curve25519-sha256"}, {"algorithm": "curve25519-sha256@libssh.org"}, {"algorithm": "ecdh-sha2-nistp256"}, {"algorithm": "ecdh-sha2-nistp384"}, {"algorithm": "ecdh-sha2-nistp521"}, {"algorithm": "diffie-hellman-group-exchange-sha256", "keysize": 2048}, {"algorithm": "diffie-hellman-group16-sha512"}, {"algorithm": "diffie-hellman-group18-sha512"}, {"algorithm": "diffie-hellman-group14-sha256"}, {"algorithm": "diffie-hellman-group14-sha1"}], "key": [{"algorithm": "rsa-sha2-512", "keysize": 3072}, {"algorithm": "rsa-sha2-256", "keysize": 3072}, {"algorithm": "ssh-rsa", "keysize": 3072}, {"algorithm": "ecdsa-sha2-nistp256"}, {"algorithm": "ssh-ed25519"}], "mac": ["umac-64-etm@openssh.com", "umac-128-etm@openssh.com", "hmac-sha2-256-etm@openssh.com", "hmac-sha2-512-etm@openssh.com", "hmac-sha1-etm@openssh.com", "umac-64@openssh.com", "umac-128@openssh.com", "hmac-sha2-256", "hmac-sha2-512", "hmac-sha1"], "target": "localhost"} {"banner": {"comments": null, "protocol": [2, 0], "raw": "SSH-2.0-OpenSSH_8.0", "software": "OpenSSH_8.0"}, "compression": ["none", "zlib@openssh.com"], "enc": ["chacha20-poly1305@openssh.com", "aes128-ctr", "aes192-ctr", "aes256-ctr", "aes128-gcm@openssh.com", "aes256-gcm@openssh.com"], "fingerprints": [{"hash": "UrnXIVH+7dlw8UqYocl48yUEcKrthGDQG2CPCgp7MxU", "hash_alg": "SHA256", "hostkey": "ssh-ed25519"}, {"hash": "1e:0c:7b:34:73:bf:52:41:b0:f9:d1:a9:ab:98:c7:c9", "hash_alg": "MD5", "hostkey": "ssh-ed25519"}, {"hash": "nsWtdJ9Z67Vrf7OsUzQov7esXhsWAfVppArGh25u244", "hash_alg": "SHA256", "hostkey": "ssh-rsa"}, {"hash": "18:e2:51:fe:21:6c:78:d0:b8:cf:32:d4:bd:56:42:e1", "hash_alg": "MD5", "hostkey": "ssh-rsa"}], "kex": [{"algorithm": "curve25519-sha256"}, {"algorithm": "curve25519-sha256@libssh.org"}, {"algorithm": "ecdh-sha2-nistp256"}, {"algorithm": "ecdh-sha2-nistp384"}, {"algorithm": "ecdh-sha2-nistp521"}, {"algorithm": "diffie-hellman-group-exchange-sha256", "keysize": 2048}, {"algorithm": "diffie-hellman-group16-sha512"}, {"algorithm": "diffie-hellman-group18-sha512"}, {"algorithm": "diffie-hellman-group14-sha256"}, {"algorithm": "diffie-hellman-group14-sha1"}], "key": [{"algorithm": "rsa-sha2-512", "keysize": 3072}, {"algorithm": "rsa-sha2-256", "keysize": 3072}, {"algorithm": "ssh-rsa", "keysize": 3072}, {"algorithm": "ecdsa-sha2-nistp256"}, {"algorithm": "ssh-ed25519"}], "mac": ["umac-64-etm@openssh.com", "umac-128-etm@openssh.com", "hmac-sha2-256-etm@openssh.com", "hmac-sha2-512-etm@openssh.com", "hmac-sha1-etm@openssh.com", "umac-64@openssh.com", "umac-128@openssh.com", "hmac-sha2-256", "hmac-sha2-512", "hmac-sha1"], "target": "localhost"}

2
test/docker/expected_results/openssh_8.0p1_test2.json
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@ -1 +1 @@
{"banner": {"comments": null, "protocol": [2, 0], "raw": "SSH-2.0-OpenSSH_8.0", "software": "OpenSSH_8.0"}, "compression": ["none", "zlib@openssh.com"], "enc": ["chacha20-poly1305@openssh.com", "aes128-ctr", "aes192-ctr", "aes256-ctr", "aes128-gcm@openssh.com", "aes256-gcm@openssh.com"], "fingerprints": [{"fp": "SHA256:UrnXIVH+7dlw8UqYocl48yUEcKrthGDQG2CPCgp7MxU", "type": "ssh-ed25519"}], "kex": [{"algorithm": "curve25519-sha256"}, {"algorithm": "curve25519-sha256@libssh.org"}, {"algorithm": "ecdh-sha2-nistp256"}, {"algorithm": "ecdh-sha2-nistp384"}, {"algorithm": "ecdh-sha2-nistp521"}, {"algorithm": "diffie-hellman-group-exchange-sha256", "keysize": 2048}, {"algorithm": "diffie-hellman-group16-sha512"}, {"algorithm": "diffie-hellman-group18-sha512"}, {"algorithm": "diffie-hellman-group14-sha256"}, {"algorithm": "diffie-hellman-group14-sha1"}], "key": [{"algorithm": "ssh-ed25519"}, {"algorithm": "ssh-ed25519-cert-v01@openssh.com"}], "mac": ["umac-64-etm@openssh.com", "umac-128-etm@openssh.com", "hmac-sha2-256-etm@openssh.com", "hmac-sha2-512-etm@openssh.com", "hmac-sha1-etm@openssh.com", "umac-64@openssh.com", "umac-128@openssh.com", "hmac-sha2-256", "hmac-sha2-512", "hmac-sha1"], "target": "localhost"} {"banner": {"comments": null, "protocol": [2, 0], "raw": "SSH-2.0-OpenSSH_8.0", "software": "OpenSSH_8.0"}, "compression": ["none", "zlib@openssh.com"], "enc": ["chacha20-poly1305@openssh.com", "aes128-ctr", "aes192-ctr", "aes256-ctr", "aes128-gcm@openssh.com", "aes256-gcm@openssh.com"], "fingerprints": [{"hash": "UrnXIVH+7dlw8UqYocl48yUEcKrthGDQG2CPCgp7MxU", "hash_alg": "SHA256", "hostkey": "ssh-ed25519"}, {"hash": "1e:0c:7b:34:73:bf:52:41:b0:f9:d1:a9:ab:98:c7:c9", "hash_alg": "MD5", "hostkey": "ssh-ed25519"}], "kex": [{"algorithm": "curve25519-sha256"}, {"algorithm": "curve25519-sha256@libssh.org"}, {"algorithm": "ecdh-sha2-nistp256"}, {"algorithm": "ecdh-sha2-nistp384"}, {"algorithm": "ecdh-sha2-nistp521"}, {"algorithm": "diffie-hellman-group-exchange-sha256", "keysize": 2048}, {"algorithm": "diffie-hellman-group16-sha512"}, {"algorithm": "diffie-hellman-group18-sha512"}, {"algorithm": "diffie-hellman-group14-sha256"}, {"algorithm": "diffie-hellman-group14-sha1"}], "key": [{"algorithm": "ssh-ed25519"}, {"algorithm": "ssh-ed25519-cert-v01@openssh.com"}], "mac": ["umac-64-etm@openssh.com", "umac-128-etm@openssh.com", "hmac-sha2-256-etm@openssh.com", "hmac-sha2-512-etm@openssh.com", "hmac-sha1-etm@openssh.com", "umac-64@openssh.com", "umac-128@openssh.com", "hmac-sha2-256", "hmac-sha2-512", "hmac-sha1"], "target": "localhost"}

2
test/docker/expected_results/openssh_8.0p1_test3.json
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@ -1 +1 @@
{"banner": {"comments": null, "protocol": [2, 0], "raw": "SSH-2.0-OpenSSH_8.0", "software": "OpenSSH_8.0"}, "compression": ["none", "zlib@openssh.com"], "enc": ["chacha20-poly1305@openssh.com", "aes256-gcm@openssh.com", "aes128-gcm@openssh.com", "aes256-ctr", "aes192-ctr", "aes128-ctr"], "fingerprints": [{"fp": "SHA256:UrnXIVH+7dlw8UqYocl48yUEcKrthGDQG2CPCgp7MxU", "type": "ssh-ed25519"}], "kex": [{"algorithm": "curve25519-sha256"}, {"algorithm": "curve25519-sha256@libssh.org"}, {"algorithm": "diffie-hellman-group-exchange-sha256", "keysize": 2048}], "key": [{"algorithm": "ssh-ed25519"}], "mac": ["hmac-sha2-256-etm@openssh.com", "hmac-sha2-512-etm@openssh.com", "umac-128-etm@openssh.com"], "target": "localhost"} {"banner": {"comments": null, "protocol": [2, 0], "raw": "SSH-2.0-OpenSSH_8.0", "software": "OpenSSH_8.0"}, "compression": ["none", "zlib@openssh.com"], "enc": ["chacha20-poly1305@openssh.com", "aes256-gcm@openssh.com", "aes128-gcm@openssh.com", "aes256-ctr", "aes192-ctr", "aes128-ctr"], "fingerprints": [{"hash": "UrnXIVH+7dlw8UqYocl48yUEcKrthGDQG2CPCgp7MxU", "hash_alg": "SHA256", "hostkey": "ssh-ed25519"}, {"hash": "1e:0c:7b:34:73:bf:52:41:b0:f9:d1:a9:ab:98:c7:c9", "hash_alg": "MD5", "hostkey": "ssh-ed25519"}], "kex": [{"algorithm": "curve25519-sha256"}, {"algorithm": "curve25519-sha256@libssh.org"}, {"algorithm": "diffie-hellman-group-exchange-sha256", "keysize": 2048}], "key": [{"algorithm": "ssh-ed25519"}], "mac": ["hmac-sha2-256-etm@openssh.com", "hmac-sha2-512-etm@openssh.com", "umac-128-etm@openssh.com"], "target": "localhost"}

2
test/docker/expected_results/tinyssh_20190101_test1.json
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@ -1 +1 @@
{"banner": {"comments": "", "protocol": [2, 0], "raw": "", "software": "tinyssh_noversion"}, "compression": ["none"], "enc": ["chacha20-poly1305@openssh.com"], "fingerprints": [{"fp": "SHA256:89ocln1x7KNqnMgWffGoYtD70ksJ4FrH7BMJHa7SrwU", "type": "ssh-ed25519"}], "kex": [{"algorithm": "curve25519-sha256"}, {"algorithm": "curve25519-sha256@libssh.org"}, {"algorithm": "sntrup4591761x25519-sha512@tinyssh.org"}], "key": [{"algorithm": "ssh-ed25519"}], "mac": ["hmac-sha2-256"], "target": "localhost"} {"banner": {"comments": "", "protocol": [2, 0], "raw": "", "software": "tinyssh_noversion"}, "compression": ["none"], "enc": ["chacha20-poly1305@openssh.com"], "fingerprints": [{"hash": "89ocln1x7KNqnMgWffGoYtD70ksJ4FrH7BMJHa7SrwU", "hash_alg": "SHA256", "hostkey": "ssh-ed25519"}, {"hash": "dd:9c:6d:f9:b0:8c:af:fa:c2:65:81:5d:5d:56:f8:21", "hash_alg": "MD5", "hostkey": "ssh-ed25519"}], "kex": [{"algorithm": "curve25519-sha256"}, {"algorithm": "curve25519-sha256@libssh.org"}, {"algorithm": "sntrup4591761x25519-sha512@tinyssh.org"}], "key": [{"algorithm": "ssh-ed25519"}], "mac": ["hmac-sha2-256"], "target": "localhost"}

2
test/test_build_struct.py
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@ -37,7 +37,7 @@ def test_prevent_runtime_error_regression(ssh_audit, kex):
rv = ssh_audit.build_struct('localhost', banner=None, kex=kex) rv = ssh_audit.build_struct('localhost', banner=None, kex=kex)
assert len(rv["fingerprints"]) == 9 assert len(rv["fingerprints"]) == (9 * 2) # Each host key generates two hash fingerprints: one using SHA256, and one using MD5.
for key in ['banner', 'compression', 'enc', 'fingerprints', 'kex', 'key', 'mac']: for key in ['banner', 'compression', 'enc', 'fingerprints', 'kex', 'key', 'mac']:
assert key in rv assert key in rv

2
test/test_ssh1.py
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@ -138,7 +138,7 @@ class TestSSH1:
self.audit(out, self._conf()) self.audit(out, self._conf())
out.write() out.write()
lines = output_spy.flush() lines = output_spy.flush()
assert len(lines) == 16 assert len(lines) == 17
def test_ssh1_server_invalid_first_packet(self, output_spy, virtual_socket): def test_ssh1_server_invalid_first_packet(self, output_spy, virtual_socket):
vsocket = virtual_socket vsocket = virtual_socket