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Fedora: 22 Moderate Update for OpenSSH pam_ssh_agent_auth Security Fix

fedora
Calendar Grey August 19, 2015
Dist Fedora Esm H88
Fedora 22 sees important OpenSSH upgrades targeting major vulnerabilities in pam_ssh_agent_auth, alongside enhancements to SSH protocol processing.
This update brings fixes for vulnerabilities published with openssh-7.0 and is fixing pam_ssh_agent_auth module to be functional again.

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 brings fixes for vulnerabilities published with openssh-7.0 and is fixing pam_ssh_agent_auth module to be functional again.

Topics%20covered

Topics Covered

security advisory buffer overflow Fedora security fix SSH pam_ssh_agent_auth

Change Log

* Fri Aug 14 2015 Jakub Jelen 6.9p1-5 + 0.9.3-6 - Fix vulnerabilities published with openssh-7.0: - Incorrectly set TTYs to be world-writable (#1252861) - Privilege separation weakness related to PAM support (#1252844) - Use-after-free bug related to PAM support (#1252852) - Fix pam_ssh_agent_auth after rebase (#1251777) * Tue Jul 28 2015 Jakub Jelen 6.9p1-4 + 0.9.3-6 - Handle terminal control characters in scp progressmeter (#1247204) * Thu Jul 23 2015 Jakub Jelen 6.9p1-3 + 0.9.3-6 - CVE-2015-5600: only query each keyboard-interactive device once (#1245971) * Wed Jul 15 2015 Jakub Jelen 6.9p1-2 + 0.9.3-6 - Enable SECCOMP filter for s390* architecture (#1195065) - Fix race condition when multiplexing connection (#1242682) * Wed Jul 1 2015 Jakub Jelen 6.9p1-1 + 0.9.3-6 - New upstream release (#1238253) - Increase limitation number of files which can be listed using glob in sftp - Correctly revert "PermitRootLogin no" option from upstream sources (#89216) * Wed Jun 24 2015 Jakub Jelen 6.8p1-9 + 0.9.3-5 - Allow socketcall(SYS_SHUTDOWN) for net_child on ix86 architecture * Thu Jun 18 2015 Fedora Release Engineering - 6.8p1-8.1 - Rebuilt for https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild * Mon Jun 8 2015 Jakub Jelen 6.8p1-8 + 0.9.3-5 - Return stat syscall to seccomp filter (#1228323) * Wed Jun 3 2015 Jakub Jelen 6.8p1-7 + 0.9.3-5 - Handle pam_ssh_agent_auth memory, buffers and variable sizes (#1225106) * Thu May 28 2015 Jakub Jelen 6.8p1-6 + 0.9.3-5 - Resolve problem with pam_ssh_agent_auth after rebase (#1225106) - ssh-copy-id: tcsh doesnt work with multiline strings - Fix upstream memory problems - Add missing options in testmode output and manual pages - Provide LDIF version of LPK schema - Document required selinux boolean for working ssh-ldap-helper

References


[ 1 ] Bug #1252861 - openssh: Incorrectly set TTYs to be world-writable https://bugzilla.redhat.com/show_bug.cgi?id=1252861 [ 2 ] Bug #1252844 - openssh: Privilege separation weakness related to PAM support https://bugzilla.redhat.com/show_bug.cgi?id=1252844 [ 3 ] Bug #1252852 - openssh: Use-after-free bug related to PAM support https://bugzilla.redhat.com/show_bug.cgi?id=1252852

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 .

Name: openssh
Product: Fedora 22
Version: 6.9p1
Release: 5.fc22
URL: https://www.openssh.org/portable.html
Summary: An open source implementation of SSH protocol versions 1 and 2

Topics%20covered

Topics Covered

security advisory buffer overflow Fedora security fix SSH pam_ssh_agent_auth

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