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WIP: make sure no legacy or weak ciphers are enabled #4

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WIP: make sure no legacy or weak ciphers are enabled #4

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1 change: 1 addition & 0 deletions attributes/default.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@
cis_compliance['sbp_kernel_is_not_tainted'] = true
cis_compliance['sbp_kernel_only_allows_signed_modules'] = true
cis_compliance['sbp_mrepos_are_not_older_than_6_weeks'] = true
cis_compliance['sbp_ensure_cbc_not_enabled_openssh'] = true

# CIS templates
cis_compliance['xccdf_org']['cisecurity'].tap do |cisecurity|
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2 changes: 1 addition & 1 deletion metadata.rb
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Expand Up @@ -3,5 +3,5 @@
maintainer_email '[email protected]'
license 'Apache-2.0'
description 'Installs/Configures cis-hardening'
version '0.1.0'
version '0.2.0'
chef_version '>= 16.0'
42 changes: 33 additions & 9 deletions recipes/default.rb
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Expand Up @@ -78,15 +78,39 @@
action :create
end

# # xccdf_org.cisecurity.benchmarks_rule_1.10_Ensure_system-wide_crypto_policy_is_not_legacy
# bash 'crypto-policies' do
# code <<-EOH
# sed -i 's/^LEGACY/DEFAULT/' /etc/crypto-policies/config
# EOH
# only_if { cisecurity['benchmarks_rule_Ensure_system-wide_crypto_policy_is_not_legacy'] }
# only_if { node['platform_version'].to_i >= 8 }
# action :run
# end
# xccdf_org.cisecurity.benchmarks_rule_1.10_Ensure_system-wide_crypto_policy_is_not_legacy
bash 'crypto-policies' do
code <<-EOH
sed -i 's/^LEGACY/DEFAULT/' /etc/crypto-policies/config
EOH
only_if { cisecurity['benchmarks_rule_Ensure_system-wide_crypto_policy_is_not_legacy'] }
only_if { node['platform_version'].to_i >= 8 }
action :run
end

# Ensure no CBC ciphers are used by OpenSSH server
file '/etc/crypto-policies/policies/modules/DISABLE-CBC.pmod' do
content <<~EOU
cipher@ssh = -AES-128-CBC -AES-256-CBC
EOU
owner 'root'
group 'root'
mode '0750'
action :create
only_if { node['cis_compliance']['sbp_ensure_cbc_not_enabled_openssh'] }
only_if { node['platform_version'].to_i >= 8 }
end
file '/etc/crypto-policies/config' do
content <<~EOU
DEFAULT:DISABLE-CBC
EOU
owner 'root'
group 'root'
mode '0750'
action :create
only_if { node['cis_compliance']['sbp_ensure_cbc_not_enabled_openssh'] }
only_if { node['platform_version'].to_i >= 8 }
end

# xccdf_org.cisecurity.benchmarks_rule_2.3.2_Ensure_telnet_client_is_not_installed
package 'telnet' do
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