Do Not Install the TFTP Client

Trivial File Transfer Protocol TFTP is used for file transfer between a Linux server and other servers, desktop systems, as well as terminal devices. TFTP does not support authentication and encryption mechanisms. Data tends to be forged, tampered with, or stolen by attackers during communication...

CVE-2019-6110

In OpenSSH 7.9, due to accepting and displaying arbitrary stderr output from the server, a malicious server or Man-in-The-Middle attacker can manipulate the client output, for example to use ANSI control codes to hide additional files being transferred...

CVE-2018-20685

In OpenSSH 7.9, scp.c in the scp client allows remote SSH servers to bypass intended access restrictions via the filename of . or an empty filename. The impact is modifying the permissions of the target directory on the client side...