ssh-audit/test/docker/expected_results/openssh_8.0p1_test3.txt

# general
(gen) banner: SSH-2.0-OpenSSH_8.0
(gen) software: OpenSSH 8.0
(gen) compatibility: OpenSSH 7.4+, Dropbear SSH 2018.76+
(gen) compression: enabled (zlib@openssh.com)

# security
(cve) CVE-2021-41617                        -- (CVSSv2: 7.0) privilege escalation via supplemental groups
(cve) CVE-2020-15778                        -- (CVSSv2: 7.8) command injection via anomalous argument transfers
(cve) CVE-2019-16905                        -- (CVSSv2: 7.8) memory corruption and local code execution via pre-authentication integer overflow
(cve) CVE-2016-20012                        -- (CVSSv2: 5.3) enumerate usernames via challenge response

# key exchange algorithms
(kex) curve25519-sha256                     -- [info] available since OpenSSH 7.4, Dropbear SSH 2018.76
                                            `- [info] default key exchange since OpenSSH 6.4
(kex) curve25519-sha256@libssh.org          -- [info] available since OpenSSH 6.4, Dropbear SSH 2013.62
                                            `- [info] default key exchange since OpenSSH 6.4
(kex) diffie-hellman-group-exchange-sha256 (4096-bit) -- [info] available since OpenSSH 4.4
                                                      `- [info] OpenSSH's GEX fallback mechanism was triggered during testing. Very old SSH clients will still be able to create connections using a 2048-bit modulus, though modern clients will use 4096. This can only be disabled by recompiling the code (see https://github.com/openssh/openssh-portable/blob/V_9_4/dh.c#L477).

# host-key algorithms
(key) ssh-ed25519                           -- [info] available since OpenSSH 6.5

# encryption algorithms (ciphers)
(enc) chacha20-poly1305@openssh.com         -- [warn] vulnerable to the Terrapin attack (CVE-2023-48795), allowing message prefix truncation
                                            `- [info] available since OpenSSH 6.5
                                            `- [info] default cipher since OpenSSH 6.9
(enc) aes256-gcm@openssh.com                -- [info] available since OpenSSH 6.2
(enc) aes128-gcm@openssh.com                -- [info] available since OpenSSH 6.2
(enc) aes256-ctr                            -- [info] available since OpenSSH 3.7, Dropbear SSH 0.52
(enc) aes192-ctr                            -- [info] available since OpenSSH 3.7
(enc) aes128-ctr                            -- [info] available since OpenSSH 3.7, Dropbear SSH 0.52

# message authentication code algorithms
(mac) hmac-sha2-256-etm@openssh.com         -- [info] available since OpenSSH 6.2
(mac) hmac-sha2-512-etm@openssh.com         -- [info] available since OpenSSH 6.2
(mac) umac-128-etm@openssh.com              -- [info] available since OpenSSH 6.2

# fingerprints
(fin) ssh-ed25519: SHA256:UrnXIVH+7dlw8UqYocl48yUEcKrthGDQG2CPCgp7MxU

# algorithm recommendations (for OpenSSH 8.0)
(rec) +diffie-hellman-group16-sha512        -- kex algorithm to append 
(rec) +diffie-hellman-group18-sha512        -- kex algorithm to append 
(rec) +rsa-sha2-256                         -- key algorithm to append 
(rec) +rsa-sha2-512                         -- key algorithm to append 
(rec) -chacha20-poly1305@openssh.com        -- enc algorithm to remove 

# additional info
(nfo) For hardening guides on common OSes, please see: <https://www.ssh-audit.com/hardening_guides.html>