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Red Hat Security Advisory 2019-0711-01

Red Hat Security Advisory 2019-0711-01
Posted Apr 9, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-0711-01 - 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. A user enumeration vulnerability has been addressed.

tags | advisory, protocol
systems | linux, redhat, unix
advisories | CVE-2018-15473
MD5 | 44b334f2c6f35728000744a37fc9254b

Red Hat Security Advisory 2019-0711-01

Change Mirror Download
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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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