RHEL 7 : setup (RHSA-2018:3249)

medium Nessus Plugin ID 118538

Synopsis

The remote Red Hat host is missing a security update for setup.

Description

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2018:3249 advisory.

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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL setup package based on the guidance in RHSA-2018:3249.

See Also

http://www.nessus.org/u?2b0cc1e7

http://www.nessus.org/u?42914195

https://access.redhat.com/errata/RHSA-2018:3249

https://access.redhat.com/security/updates/classification/#low

https://bugzilla.redhat.com/show_bug.cgi?id=1566469

https://bugzilla.redhat.com/show_bug.cgi?id=1571094

Plugin Details

Severity: Medium

ID: 118538

File Name: redhat-RHSA-2018-3249.nasl

Version: 1.7

Type: local

Agent: unix

Published: 10/31/2018

Updated: 11/5/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.4

Vendor

Vendor Severity: Low

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2018-1113

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:setup, cpe:/o:redhat:enterprise_linux:7

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 10/30/2018

Vulnerability Publication Date: 7/3/2018

Reference Information

CVE: CVE-2018-1113

CWE: 285

RHSA: 2018:3249