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OpenSUSE 15.3 Security Alert: Critical OpenSSH Authentication Bypass

fedora
Calendar Grey August 27, 2015
Dist Fedora Esm H88
Enhance your Fedora 21 openssl package now to remedy significant vulnerabilities and bolster system defense.
This update provides fixes for vulnerabilities published with openssh-7.0 Security fix for CVE-2015-5600

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:

This update provides fixes for vulnerabilities published with openssh-7.0 Security fix for CVE-2015-5600

Change Log

References


[ 1 ] Bug #1252844 - CVE-2015-6563 openssh: Privilege separation weakness related to PAM support https://bugzilla.redhat.com/show_bug.cgi?id=1252844 [ 2 ] Bug #1252852 - CVE-2015-6564 openssh: Use-after-free bug related to PAM support https://bugzilla.redhat.com/show_bug.cgi?id=1252852 [ 3 ] Bug #1245969 - CVE-2015-5600 openssh: MaxAuthTries limit bypass via duplicates in KbdInteractiveDevices https://bugzilla.redhat.com/show_bug.cgi?id=1245969

Update Instructions

This update can be installed with the "yum" update program. Use su -c 'yum update openssh' at the command line. For more information, refer to "Managing Software with yum", available at .

Severity
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Name: openssh
Product: Fedora 21
Version: 6.6.1p1
Release: 16.fc21
Summary: An open source implementation of SSH protocol versions 1 and 2

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