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Update ansible in sshd_use_approved_kex_ordered_stig #11148

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merged 2 commits into from
Oct 17, 2023
Merged

Update ansible in sshd_use_approved_kex_ordered_stig #11148

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ec55c14
Update ansible in sshd_use_approved_kex_ordered_stig
Xeicker Sep 27, 2023
151c9d8
Update OVAL in sshd_use_approved_kex_ordered_stig
Xeicker Oct 12, 2023
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4 changes: 1 addition & 3 deletions linux_os/guide/services/ssh/ssh_server/sshd_use_approved_kex_ordered_stig/ansible/shared.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -7,12 +7,10 @@
{{% set prefix_conf="^\s*KexAlgorithms\s*" %}}
{{% set kex_algos=["ecdh-sha2-nistp256","ecdh-sha2-nistp384","ecdh-sha2-nistp521",
"diffie-hellman-group-exchange-sha256"] %}}
{{% set kex_algos_regex=prefix_conf ~ "(?=[\w-])" "(\\b" ~ kex_algos|join("\\b,?)?(\\b") ~ ")?" ~
sufix_conf ~ "[\s]*(?:#.*)?$" %}}
- name: "Configure sshd to use FIPS 140-2 approved key exchange algorithms"
lineinfile:
path: /etc/ssh/sshd_config
line: 'KexAlgorithms {{{ kex_algos|join(",") }}}'
state: present
regexp: '{{{ kex_algos_regex }}}'
regexp: '{{{ prefix_conf }}}'
create: True
10 changes: 8 additions & 2 deletions linux_os/guide/services/ssh/ssh_server/sshd_use_approved_kex_ordered_stig/oval/shared.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -55,12 +55,18 @@
comment="tests the value of Kex algorithms setting in the {{{ path }}} file"
id="test_{{{ rule_id }}}" version="1">
<ind:object object_ref="obj_{{{ rule_id }}}" />
<ind:state state_ref="state_{{{ rule_id }}}" />
</ind:textfilecontent54_test>

<ind:textfilecontent54_object id="obj_{{{ rule_id }}}" version="1">
<ind:filepath>{{{ path }}}</ind:filepath>
<ind:pattern operation="pattern match">{{{ kex_algos_regex }}}</ind:pattern>
<ind:instance datatype="int">1</ind:instance>
<ind:pattern operation="pattern match">{{{ prefix_conf }}}.*</ind:pattern>
<ind:instance datatype="int" operation="greater than or equal" >1</ind:instance>
</ind:textfilecontent54_object>


<ind:textfilecontent54_state id="state_{{{ rule_id }}}" version="1">
<ind:text operation="pattern match">{{{ kex_algos_regex }}}</ind:text>
</ind:textfilecontent54_state>

</def-group>
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