Enable the selinuxuser_execmod SELinux Boolean

An XCCDF Rule

Description

By default, the SELinux boolean selinuxuser_execmod is enabled. If this setting is disabled, it should be enabled. To enable the selinuxuser_execmod SELinux boolean, run the following command:

$ sudo setsebool -P selinuxuser_execmod on

ID: xccdf_org.ssgproject.content_rule_sebool_selinuxuser_execmod
Severity: Medium
References: 164.308(a)(1)(ii)(D) 164.308(a)(3) 164.308(a)(4) 164.310(b) 164.310(c) 164.312(a) 164.312(e)

CCE-91423-4
Updated: about 1 year ago

- name: Enable the selinuxuser_execmod SELinux Boolean - Ensure policycoreutils Installed
  package:
    name: policycoreutils
    state: present
  when: ansible_virtualization_type not in ["docker", "lxc", "openvz", "podman", "container"]
  tags:  - CCE-91423-4
  - enable_strategy
  - low_complexity
  - low_disruption
  - medium_severity
  - no_reboot_needed
  - sebool_selinuxuser_execmod

- name: Enable the selinuxuser_execmod SELinux Boolean - Ensure Additional Packages
    Installed
  become: true
  package:
    name:
    - policycoreutils-python-utils
    - selinux-tools
    - python3-selinux
    - python3-semanage
    state: present
  when: ansible_virtualization_type not in ["docker", "lxc", "openvz", "podman", "container"]
  tags:
  - CCE-91423-4
  - enable_strategy
  - low_complexity
  - low_disruption
  - medium_severity
  - no_reboot_needed
  - sebool_selinuxuser_execmod
- name: XCCDF Value var_selinuxuser_execmod # promote to variable
  set_fact:
    var_selinuxuser_execmod: !!str <xccdf-1.2:sub xmlns:xccdf-1.2="http://checklists.nist.gov/xccdf/1.2" idref="xccdf_org.ssgproject.content_value_var_selinuxuser_execmod" use="legacy"/>
  tags:
    - always

- name: Enable the selinuxuser_execmod SELinux Boolean - Set SELinux Boolean selinuxuser_execmod
    Accordingly
  seboolean:
    name: selinuxuser_execmod
    state: '{{ var_selinuxuser_execmod }}'
    persistent: true
  when:
  - ansible_virtualization_type not in ["docker", "lxc", "openvz", "podman", "container"]
  - ansible_facts.selinux.status == 'enabled'
  tags:
  - CCE-91423-4
  - enable_strategy
  - low_complexity
  - low_disruption
  - medium_severity
  - no_reboot_needed
  - sebool_selinuxuser_execmod

# Remediation is applicable only in certain platforms
if [ ! -f /.dockerenv ] && [ ! -f /run/.containerenv ]; then

zypper install -y "policycoreutils"
zypper install -y "policycoreutils-python-utils"
zypper install -y "selinux-tools"zypper install -y "python3-selinux"
zypper install -y "python3-semanage"


if selinuxenabled; then

    var_selinuxuser_execmod='<xccdf-1.2:sub xmlns:xccdf-1.2="http://checklists.nist.gov/xccdf/1.2" idref="xccdf_org.ssgproject.content_value_var_selinuxuser_execmod" use="legacy"/>'

    setsebool -P selinuxuser_execmod $var_selinuxuser_execmod

else
    echo "Skipping remediation, SELinux is disabled";
    false
fi

else
    >&2 echo 'Remediation is not applicable, nothing was done'
fi

Enable the selinuxuser_execmod SELinux Boolean

Description

Remediation - Ansible

Remediation - Shell Script