{
"additional_notes": [],
"banner": {
"comments": null,
"protocol": "2.0",
"raw": "SSH-2.0-dropbear_2019.78",
"software": "dropbear_2019.78"
},
"compression": [
"zlib@openssh.com",
"none"
],
"cves": [],
"enc": [
{
"algorithm": "aes128-ctr",
"notes": {
"info": [
"available since OpenSSH 3.7, Dropbear SSH 0.52"
]
}
},
{
"algorithm": "aes256-ctr",
"notes": {
"info": [
"available since OpenSSH 3.7, Dropbear SSH 0.52"
]
}
},
{
"algorithm": "aes128-cbc",
"notes": {
"info": [
"available since OpenSSH 2.3.0, Dropbear SSH 0.28"
],
"warn": [
"using weak cipher mode"
]
}
},
{
"algorithm": "aes256-cbc",
"notes": {
"info": [
"available since OpenSSH 2.3.0, Dropbear SSH 0.47"
],
"warn": [
"using weak cipher mode"
]
}
},
{
"algorithm": "3des-ctr",
"notes": {
"fail": [
"using broken & deprecated 3DES cipher"
],
"info": [
"available since Dropbear SSH 0.52"
]
}
},
{
"algorithm": "3des-cbc",
"notes": {
"fail": [
"using broken & deprecated 3DES cipher"
],
"info": [
"available since OpenSSH 1.2.2, Dropbear SSH 0.28"
],
"warn": [
"using weak cipher mode",
"using small 64-bit block size"
]
}
}
],
"fingerprints": [
{
"hash": "jdUfqoGCDOY1drQcoqIJm/pEix2r09hqwOs9E9GimZQ",
"hash_alg": "SHA256",
"hostkey": "ecdsa-sha2-nistp256"
},
{
"hash": "98:27:f3:12:20:f6:23:6d:1a:00:2a:6c:71:7c:1e:6b",
"hash_alg": "MD5",
"hostkey": "ecdsa-sha2-nistp256"
},
{
"hash": "NBzry0uMAX8BRsn4mv9CHpeivMOdwzGFEKrf6Hg7tIQ",
"hash_alg": "SHA256",
"hostkey": "ssh-dss"
},
{
"hash": "16:60:9e:54:d7:1e:b3:0d:97:60:12:ad:fe:83:a2:40",
"hash_alg": "MD5",
"hostkey": "ssh-dss"
},
{
"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",
"notes": {
"info": [
"default key exchange from OpenSSH 7.4 to 8.9",
"available since OpenSSH 7.4, Dropbear SSH 2018.76"
]
}
},
{
"algorithm": "curve25519-sha256@libssh.org",
"notes": {
"info": [
"default key exchange from OpenSSH 6.5 to 7.3",
"available since OpenSSH 6.4, Dropbear SSH 2013.62"
]
}
},
{
"algorithm": "ecdh-sha2-nistp521",
"notes": {
"fail": [
"using elliptic curves that are suspected as being backdoored by the U.S. National Security Agency"
],
"info": [
"available since OpenSSH 5.7, Dropbear SSH 2013.62"
]
}
},
{
"algorithm": "ecdh-sha2-nistp384",
"notes": {
"fail": [
"using elliptic curves that are suspected as being backdoored by the U.S. National Security Agency"
],
"info": [
"available since OpenSSH 5.7, Dropbear SSH 2013.62"
]
}
},
{
"algorithm": "ecdh-sha2-nistp256",
"notes": {
"fail": [
"using elliptic curves that are suspected as being backdoored by the U.S. National Security Agency"
],
"info": [
"available since OpenSSH 5.7, Dropbear SSH 2013.62"
]
}
},
{
"algorithm": "diffie-hellman-group14-sha256",
"notes": {
"info": [
"available since OpenSSH 7.3, Dropbear SSH 2016.73"
],
"warn": [
"2048-bit modulus only provides 112-bits of symmetric strength"
]
}
},
{
"algorithm": "diffie-hellman-group14-sha1",
"notes": {
"fail": [
"using broken SHA-1 hash algorithm"
],
"info": [
"available since OpenSSH 3.9, Dropbear SSH 0.53"
],
"warn": [
"2048-bit modulus only provides 112-bits of symmetric strength"
]
}
},
{
"algorithm": "kexguess2@matt.ucc.asn.au",
"notes": {
"info": [
"available since Dropbear SSH 2013.57"
]
}
}
],
"key": [
{
"algorithm": "ecdsa-sha2-nistp256",
"notes": {
"fail": [
"using elliptic curves that are suspected as being backdoored by the U.S. National Security Agency"
],
"info": [
"available since OpenSSH 5.7, Dropbear SSH 2013.62"
],
"warn": [
"using weak random number generator could reveal the key"
]
}
},
{
"algorithm": "ssh-rsa",
"keysize": 1024,
"notes": {
"fail": [
"using broken SHA-1 hash algorithm",
"using small 1024-bit modulus"
],
"info": [
"deprecated in OpenSSH 8.8: https://www.openssh.com/txt/release-8.8",
"available since OpenSSH 2.5.0, Dropbear SSH 0.28"
]
}
},
{
"algorithm": "ssh-dss",
"notes": {
"fail": [
"using small 1024-bit modulus"
],
"info": [
"disabled in OpenSSH 7.0: https://www.openssh.com/txt/release-7.0",
"available since OpenSSH 2.1.0, Dropbear SSH 0.28"
],
"warn": [
"using weak random number generator could reveal the key"
]
}
}
],
"mac": [
{
"algorithm": "hmac-sha1-96",
"notes": {
"fail": [
"using broken SHA-1 hash algorithm"
],
"info": [
"available since OpenSSH 2.5.0, Dropbear SSH 0.47"
],
"warn": [
"using encrypt-and-MAC mode"
]
}
},
{
"algorithm": "hmac-sha1",
"notes": {
"fail": [
"using broken SHA-1 hash algorithm"
],
"info": [
"available since OpenSSH 2.1.0, Dropbear SSH 0.28"
],
"warn": [
"using encrypt-and-MAC mode"
]
}
},
{
"algorithm": "hmac-sha2-256",
"notes": {
"info": [
"available since OpenSSH 5.9, Dropbear SSH 2013.56"
],
"warn": [
"using encrypt-and-MAC mode"
]
}
}
],
"recommendations": {
"critical": {
"del": {
"enc": [
{
"name": "3des-cbc",
"notes": ""
},
{
"name": "3des-ctr",
"notes": ""
}
],
"kex": [
{
"name": "diffie-hellman-group14-sha1",
"notes": ""
},
{
"name": "ecdh-sha2-nistp256",
"notes": ""
},
{
"name": "ecdh-sha2-nistp384",
"notes": ""
},
{
"name": "ecdh-sha2-nistp521",
"notes": ""
}
],
"key": [
{
"name": "ecdsa-sha2-nistp256",
"notes": ""
},
{
"name": "ssh-dss",
"notes": ""
},
{
"name": "ssh-rsa",
"notes": ""
}
],
"mac": [
{
"name": "hmac-sha1",
"notes": ""
},
{
"name": "hmac-sha1-96",
"notes": ""
}
]
}
},
"informational": {
"add": {
"enc": [
{
"name": "twofish128-ctr",
"notes": ""
},
{
"name": "twofish256-ctr",
"notes": ""
}
],
"kex": [
{
"name": "diffie-hellman-group16-sha512",
"notes": ""
}
]
}
},
"warning": {
"del": {
"enc": [
{
"name": "aes128-cbc",
"notes": ""
},
{
"name": "aes256-cbc",
"notes": ""
}
],
"kex": [
{
"name": "diffie-hellman-group14-sha256",
"notes": ""
}
],
"mac": [
{
"name": "hmac-sha2-256",
"notes": ""
}
]
}
}
},
"target": "localhost:2222"
}