Added note that when a target is properly configured against the Terrapin vulnerability that unpatched peers may still create vulnerable connections. Updated Ubuntu Server & Client 20.04 & 22.04 policies to include new key exchange markers related to Terrapin counter-measures.

This commit is contained in:
Joe Testa
2023-12-19 14:03:28 -05:00
parent 8e972c5e94
commit c259a83782
16 changed files with 183 additions and 56 deletions

View File

@ -16,8 +16,9 @@
(key) ssh-ed25519 -- [info] available since OpenSSH 6.5
# encryption algorithms (ciphers)
(enc) chacha20-poly1305@openssh.com -- [info] available since OpenSSH 6.5
 `- [info] default cipher since OpenSSH 6.9
(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
# message authentication code algorithms
(mac) hmac-sha2-256 -- [warn] using encrypt-and-MAC mode