turbot/aws_compliance

Query: lambda_function_restrict_public_access

Usage

powerpipe query aws_compliance.query.lambda_function_restrict_public_access

Steampipe Tables

SQL

with wildcard_action_policies as (
select
arn,
count(*) as statements_num
from
aws_lambda_function,
jsonb_array_elements(policy_std -> 'Statement') as s
where
s ->> 'Effect' = 'Allow'
and (
( s -> 'Principal' -> 'AWS') = '["*"]'
or s ->> 'Principal' = '*'
)
group by
arn
)
select
f.arn as resource,
case
when p.arn is null then 'ok'
else 'alarm'
end as status,
case
when p.arn is null then title || ' does not allow public access.'
else title || ' contains ' || coalesce(p.statements_num,0) ||
' statements that allows public access.'
end as reason
, f.region, f.account_id
from
aws_lambda_function as f
left join wildcard_action_policies as p on p.arn = f.arn;

Controls

The query is being used by the following controls: