[RHSA-2018:3249-01] Low: setup security and bug fix update

[Security announcements for all Red Hat products and services.]

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                   Red Hat Security Advisory

Synopsis:          Low: setup security and bug fix update
Advisory ID:       RHSA-2018:3249-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:3249
Issue date:        2018-10-30
CVE Names:         CVE-2018-1113 
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1. Summary:

An update for setup is now available for Red Hat Enterprise Linux 7.

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 Client (v. 7) - noarch
Red Hat Enterprise Linux ComputeNode (v. 7) - noarch
Red Hat Enterprise Linux Server (v. 7) - noarch
Red Hat Enterprise Linux Workstation (v. 7) - noarch
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - noarch

3. Description:

The setup package contains a set of important default system configuration
and setup files. Examples include /etc/passwd, /etc/group, and
/etc/profile. Other examples are the default lists of reserved user IDs,
reserved ports, reserved protocols, allowed shells, allowed secure
terminals.

Security Fix(es):

* setup: nologin listed in /etc/shells violates security expectations
(CVE-2018-1113)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 7.6 Release Notes linked from 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

5. Bugs fixed (https://bugzilla.redhat.com/):

1566469 - Typing Mistake in /etc/protocols
1571094 - CVE-2018-1113 setup: nologin listed in /etc/shells violates security expectations

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
setup-2.8.71-10.el7.src.rpm

noarch:
setup-2.8.71-10.el7.noarch.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
setup-2.8.71-10.el7.src.rpm

noarch:
setup-2.8.71-10.el7.noarch.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
setup-2.8.71-10.el7.src.rpm

noarch:
setup-2.8.71-10.el7.noarch.rpm

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):

Source:
setup-2.8.71-10.el7.src.rpm

noarch:
setup-2.8.71-10.el7.noarch.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
setup-2.8.71-10.el7.src.rpm

noarch:
setup-2.8.71-10.el7.noarch.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-2018-1113
https://access.redhat.com/security/updates/classification/#low
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.6_release_notes/index

8. Contact:

The Red Hat security contact is <secalert at redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2018 Red Hat, Inc.
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