Disable the authlogin_nsswitch_use_ldap SELinux Boolean

An XCCDF Rule

Description

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

$ sudo setsebool -P authlogin_nsswitch_use_ldap off

ID: xccdf_org.ssgproject.content_rule_sebool_authlogin_nsswitch_use_ldap
Severity: Medium
References: 3.7.2

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CCE-90335-1
Updated: 6 days ago

- name: Gather the package facts
  package_facts:
    manager: auto
  tags:
  - CCE-90335-1
  - NIST-800-171-3.7.2  - enable_strategy
  - low_complexity
  - low_disruption
  - medium_severity
  - no_reboot_needed
  - sebool_authlogin_nsswitch_use_ldap

- name: Disable the authlogin_nsswitch_use_ldap SELinux Boolean - Ensure python3-libsemanage
    Installed
  package:
    name: python3-libsemanage
    state: present
  when: '"kernel" in ansible_facts.packages'
  tags:
  - CCE-90335-1
  - NIST-800-171-3.7.2
  - enable_strategy
  - low_complexity
  - low_disruption
  - medium_severity
  - no_reboot_needed
  - sebool_authlogin_nsswitch_use_ldap
- name: XCCDF Value var_authlogin_nsswitch_use_ldap # promote to variable
  set_fact:
    var_authlogin_nsswitch_use_ldap: !!str <xccdf-1.2:sub xmlns:xccdf-1.2="http://checklists.nist.gov/xccdf/1.2" idref="xccdf_org.ssgproject.content_value_var_authlogin_nsswitch_use_ldap" use="legacy"/>
  tags:
    - always

- name: Disable the authlogin_nsswitch_use_ldap SELinux Boolean - Set SELinux Boolean
    authlogin_nsswitch_use_ldap Accordingly
  seboolean:
    name: authlogin_nsswitch_use_ldap
    state: '{{ var_authlogin_nsswitch_use_ldap }}'
    persistent: true
  when:
  - '"kernel" in ansible_facts.packages'
  - ansible_facts.selinux.status == 'enabled'
  tags:
  - CCE-90335-1
  - NIST-800-171-3.7.2
  - enable_strategy
  - low_complexity
  - low_disruption
  - medium_severity
  - no_reboot_needed
  - sebool_authlogin_nsswitch_use_ldap

# Remediation is applicable only in certain platforms
if rpm --quiet -q kernel; then

if ! rpm -q --quiet "python3-libsemanage" ; then
    dnf install -y "python3-libsemanage"
fi

if selinuxenabled || [[ "$OSCAP_BOOTC_BUILD" == "YES" ]] ; then

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

    setsebool -P authlogin_nsswitch_use_ldap $var_authlogin_nsswitch_use_ldap

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

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

Disable the authlogin_nsswitch_use_ldap SELinux Boolean

Description

Remediation - Ansible

Remediation - Shell Script