UBUNTU24-CIS-Audit/section_3/cis_3.3/cis_3.3.8.yml

{{ if .Vars.ubtu24cis_level_1 }}
  {{ if .Vars.ubtu24cis_rule_3_3_8 }}
kernel-param:
  net.ipv4.conf.all.accept_source_route:
    title: 3.3.8 | Ensure source routed packets are not accepted | IPv4 all source routed
    value: '0'
    meta:
      server: 1
      workstation: 1
      CIS_ID:
      - 3.3.8
      CISv8:
      - 4.8
      CISv8_IG1: false
      CISv8_IG2: true
      CISv8_IG3: true
      NIST800-53R5:
      - CM-1
      - CM-2
      - CM-6
      - CM-7
      - IA-5
  net.ipv4.conf.default.accept_source_route:
    title: 3.3.8 | Ensure source routed packets are not accepted | IPv4 default source routed
    value: '0'
    meta:
      server: 1
      workstation: 1
      CIS_ID:
      - 3.3.8
      CISv8:
      - 4.8
      CISv8_IG1: false
      CISv8_IG2: true
      CISv8_IG3: true
      NIST800-53R5:
      - CM-1
      - CM-2
      - CM-6
      - CM-7
      - IA-5
command:
  ipv4_all_source_route:
    title: 3.3.8 | Ensure source routed packets are not accepted | IPv4 all source routed conf
    exec: grep "net\.ipv4\.conf\.all\.accept_source_route" /etc/sysctl.conf /etc/sysctl.d/*
    exit-status:
      or:
      - 0
      - 1
    stdout:
    - '/^\/etc\/sysctl.*:net.ipv4.conf.all.accept_source_route\s*=\s*0/'
    meta:
      server: 1
      workstation: 1
      CIS_ID:
      - 3.3.8
      CISv8:
      - 4.8
      CISv8_IG1: false
      CISv8_IG2: true
      CISv8_IG3: true
      NIST800-53R5:
      - CM-1
      - CM-2
      - CM-6
      - CM-7
      - IA-5
  ipv4_def_source_route:
    title: 3.3.8 | Ensure source routed packets are not accepted | IPv4 default source routed conf
    exec: grep "net\.ipv4\.conf\.default\.accept_source_route" /etc/sysctl.conf /etc/sysctl.d/*
    exit-status:
      or:
      - 0
      - 1
    stdout:
    - '/^\/etc\/sysctl.*:net.ipv4.conf.default.accept_source_route\s*=\s*0/'
    meta:
      server: 1
      workstation: 1
      CIS_ID:
      - 3.3.8
      CISv8:
      - 4.8
      CISv8_IG1: false
      CISv8_IG2: true
      CISv8_IG3: true
      NIST800-53R5:
      - CM-1
      - CM-2
      - CM-6
      - CM-7
      - IA-5
  {{ end }}
{{ end }}