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AUSCERT External Security Bulletin Redistribution
ESB-2019.1212
Low: openssh security update
10 April 2019
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: openssh
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 6
Red Hat Enterprise Linux WS/Desktop 6
Impact/Access: Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2018-15473
Reference: ESB-2018.3663
ESB-2018.2536
ESB-2018.2493
ESB-2018.2473
Original Bulletin:
https://access.redhat.com/errata/RHSA-2019:0711
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Red Hat Security Advisory
Synopsis: Low: openssh security update
Advisory ID: RHSA-2019:0711-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:0711
Issue date: 2019-04-09
CVE Names: CVE-2018-15473
=====================================================================
1. Summary:
An update for openssh is now available for Red Hat Enterprise Linux 6.
Red Hat Product Security has rated this update as having a security impact
of Low. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64
3. Description:
OpenSSH is an SSH protocol implementation supported by a number of Linux,
UNIX, and similar operating systems. It includes the core files necessary
for both the OpenSSH client and server.
Security Fix(es):
* openssh: User enumeration via malformed packets in authentication
requests (CVE-2018-15473)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
4. Solution:
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
After installing this update, the OpenSSH server daemon (sshd) will be
restarted automatically.
5. Bugs fixed (https://bugzilla.redhat.com/):
1619063 - CVE-2018-15473 openssh: User enumeration via malformed packets in authentication requests
6. Package List:
Red Hat Enterprise Linux Desktop (v. 6):
Source:
openssh-5.3p1-124.el6_10.src.rpm
i386:
openssh-5.3p1-124.el6_10.i686.rpm
openssh-askpass-5.3p1-124.el6_10.i686.rpm
openssh-clients-5.3p1-124.el6_10.i686.rpm
openssh-debuginfo-5.3p1-124.el6_10.i686.rpm
openssh-server-5.3p1-124.el6_10.i686.rpm
x86_64:
openssh-5.3p1-124.el6_10.x86_64.rpm
openssh-askpass-5.3p1-124.el6_10.x86_64.rpm
openssh-clients-5.3p1-124.el6_10.x86_64.rpm
openssh-debuginfo-5.3p1-124.el6_10.x86_64.rpm
openssh-server-5.3p1-124.el6_10.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
i386:
openssh-debuginfo-5.3p1-124.el6_10.i686.rpm
openssh-ldap-5.3p1-124.el6_10.i686.rpm
pam_ssh_agent_auth-0.9.3-124.el6_10.i686.rpm
x86_64:
openssh-debuginfo-5.3p1-124.el6_10.i686.rpm
openssh-debuginfo-5.3p1-124.el6_10.x86_64.rpm
openssh-ldap-5.3p1-124.el6_10.x86_64.rpm
pam_ssh_agent_auth-0.9.3-124.el6_10.i686.rpm
pam_ssh_agent_auth-0.9.3-124.el6_10.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source:
openssh-5.3p1-124.el6_10.src.rpm
x86_64:
openssh-5.3p1-124.el6_10.x86_64.rpm
openssh-clients-5.3p1-124.el6_10.x86_64.rpm
openssh-debuginfo-5.3p1-124.el6_10.x86_64.rpm
openssh-server-5.3p1-124.el6_10.x86_64.rpm
Red Hat Enterprise Linux HPC Node Optional (v. 6):
x86_64:
openssh-askpass-5.3p1-124.el6_10.x86_64.rpm
openssh-debuginfo-5.3p1-124.el6_10.i686.rpm
openssh-debuginfo-5.3p1-124.el6_10.x86_64.rpm
openssh-ldap-5.3p1-124.el6_10.x86_64.rpm
pam_ssh_agent_auth-0.9.3-124.el6_10.i686.rpm
pam_ssh_agent_auth-0.9.3-124.el6_10.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source:
openssh-5.3p1-124.el6_10.src.rpm
i386:
openssh-5.3p1-124.el6_10.i686.rpm
openssh-askpass-5.3p1-124.el6_10.i686.rpm
openssh-clients-5.3p1-124.el6_10.i686.rpm
openssh-debuginfo-5.3p1-124.el6_10.i686.rpm
openssh-server-5.3p1-124.el6_10.i686.rpm
ppc64:
openssh-5.3p1-124.el6_10.ppc64.rpm
openssh-askpass-5.3p1-124.el6_10.ppc64.rpm
openssh-clients-5.3p1-124.el6_10.ppc64.rpm
openssh-debuginfo-5.3p1-124.el6_10.ppc64.rpm
openssh-server-5.3p1-124.el6_10.ppc64.rpm
s390x:
openssh-5.3p1-124.el6_10.s390x.rpm
openssh-askpass-5.3p1-124.el6_10.s390x.rpm
openssh-clients-5.3p1-124.el6_10.s390x.rpm
openssh-debuginfo-5.3p1-124.el6_10.s390x.rpm
openssh-server-5.3p1-124.el6_10.s390x.rpm
x86_64:
openssh-5.3p1-124.el6_10.x86_64.rpm
openssh-askpass-5.3p1-124.el6_10.x86_64.rpm
openssh-clients-5.3p1-124.el6_10.x86_64.rpm
openssh-debuginfo-5.3p1-124.el6_10.x86_64.rpm
openssh-server-5.3p1-124.el6_10.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6):
i386:
openssh-debuginfo-5.3p1-124.el6_10.i686.rpm
openssh-ldap-5.3p1-124.el6_10.i686.rpm
pam_ssh_agent_auth-0.9.3-124.el6_10.i686.rpm
ppc64:
openssh-debuginfo-5.3p1-124.el6_10.ppc.rpm
openssh-debuginfo-5.3p1-124.el6_10.ppc64.rpm
openssh-ldap-5.3p1-124.el6_10.ppc64.rpm
pam_ssh_agent_auth-0.9.3-124.el6_10.ppc.rpm
pam_ssh_agent_auth-0.9.3-124.el6_10.ppc64.rpm
s390x:
openssh-debuginfo-5.3p1-124.el6_10.s390.rpm
openssh-debuginfo-5.3p1-124.el6_10.s390x.rpm
openssh-ldap-5.3p1-124.el6_10.s390x.rpm
pam_ssh_agent_auth-0.9.3-124.el6_10.s390.rpm
pam_ssh_agent_auth-0.9.3-124.el6_10.s390x.rpm
x86_64:
openssh-debuginfo-5.3p1-124.el6_10.i686.rpm
openssh-debuginfo-5.3p1-124.el6_10.x86_64.rpm
openssh-ldap-5.3p1-124.el6_10.x86_64.rpm
pam_ssh_agent_auth-0.9.3-124.el6_10.i686.rpm
pam_ssh_agent_auth-0.9.3-124.el6_10.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source:
openssh-5.3p1-124.el6_10.src.rpm
i386:
openssh-5.3p1-124.el6_10.i686.rpm
openssh-askpass-5.3p1-124.el6_10.i686.rpm
openssh-clients-5.3p1-124.el6_10.i686.rpm
openssh-debuginfo-5.3p1-124.el6_10.i686.rpm
openssh-server-5.3p1-124.el6_10.i686.rpm
x86_64:
openssh-5.3p1-124.el6_10.x86_64.rpm
openssh-askpass-5.3p1-124.el6_10.x86_64.rpm
openssh-clients-5.3p1-124.el6_10.x86_64.rpm
openssh-debuginfo-5.3p1-124.el6_10.x86_64.rpm
openssh-server-5.3p1-124.el6_10.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 6):
i386:
openssh-debuginfo-5.3p1-124.el6_10.i686.rpm
openssh-ldap-5.3p1-124.el6_10.i686.rpm
pam_ssh_agent_auth-0.9.3-124.el6_10.i686.rpm
x86_64:
openssh-debuginfo-5.3p1-124.el6_10.i686.rpm
openssh-debuginfo-5.3p1-124.el6_10.x86_64.rpm
openssh-ldap-5.3p1-124.el6_10.x86_64.rpm
pam_ssh_agent_auth-0.9.3-124.el6_10.i686.rpm
pam_ssh_agent_auth-0.9.3-124.el6_10.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2018-15473
https://access.redhat.com/security/updates/classification/#low
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2019 Red Hat, Inc.
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