Fedora 33: FEDORA-2021-fa0e94198f Critical OpenSSH Escalation Fix

SSH (Secure SHell) is a program for logging into and executing

commands on a remote machine. SSH is intended to replace rlogin and

rsh, and to provide secure encrypted communications between two

untrusted hosts over an insecure network. X11 connections and

arbitrary TCP/IP ports can also be forwarded over the secure channel.

OpenSSH is OpenBSD's version of the last free version of SSH, bringing

it up to date in terms of security and features.

This package includes the core files necessary for both the OpenSSH

client and server. To make this package useful, you should also

install openssh-clients, openssh-server, or both.

Security fix for CVE-2021-41617

* Wed Sep 29 2021 Dmitry Belyavskiy - 8.4p1-8

- CVE-2021-41617 fix (#2008292)

[ 1 ] Bug #2008291 - CVE-2021-41617 openssh: privilege escalation when AuthorizedKeysCommand/AuthorizedPrincipalsCommand are configured

https://bugzilla.redhat.com/show_bug.cgi?id=2008291

su -c 'dnf upgrade --advisory FEDORA-2021-fa0e94198f' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

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