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Fedora 38 OpenSSH Remote Execution Fix: FEDORA-2023-878e04f4ae Critical

fedora
Calendar Grey July 23, 2023
Dist Fedora Esm H88
Important patch for OpenSSH in Fedora 38 addresses serious remote code execution vulnerability identified as CVE-2023-38408.
Security fix for CVE-2023-38408

Summary

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.

Update Information:

Security fix for CVE-2023-38408

Topics%20covered

Topics Covered

security advisory Fedora security fix remote execution critical threat OpenSSH CVE-2023-38408

Change Log

* Fri Jul 21 2023 Dmitry Belyavskiy - 9.0p1-16 - Fix remote code execution in ssh-agent PKCS#11 support Resolves: CVE-2023-38408

References


[ 1 ] Bug #2224173 - CVE-2023-38408 openssh: Remote code execution in ssh-agent PKCS#11 support https://bugzilla.redhat.com/show_bug.cgi?id=2224173

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2023-878e04f4ae' at the command line. For more information, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html

Severity
critical
Lowest
Low
Medium
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Critical

Name: openssh
Product: Fedora 38
Version: 9.0p1
Release: 16.fc38
URL: https://www.openssh.org/portable.html
Summary: An open source implementation of SSH protocol version 2

Topics%20covered

Topics Covered

security advisory Fedora security fix remote execution critical threat OpenSSH CVE-2023-38408

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