From 83ddcb9c39291d9c35e2bc59ffdfb321571bcde4 Mon Sep 17 00:00:00 2001
From: Pepe Fagoaga <pepe@verica.io>
Date: Tue, 31 May 2022 16:54:05 +0200
Subject: [PATCH] feat(check): PublicAccessBlockConfiguration (#1167)

---
 checks/check_extra7186 | 42 ++++++++++++++++++++++++++++++++++++++++++
 groups/group7_extras   |  2 +-
 2 files changed, 43 insertions(+), 1 deletion(-)
 create mode 100644 checks/check_extra7186

diff --git a/checks/check_extra7186 b/checks/check_extra7186
new file mode 100644
index 0000000000..a7b681e698
--- /dev/null
+++ b/checks/check_extra7186
@@ -0,0 +1,42 @@
+#!/usr/bin/env bash
+
+# Prowler - the handy cloud security tool (copyright 2019) by Toni de la Fuente
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License. You may obtain a copy
+# of the License at http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software distributed
+# under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+# CONDITIONS OF ANY KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations under the License.
+CHECK_ID_extra7186="7.186"
+CHECK_TITLE_extra7186="[extra7186] Check S3 Account Level Public Access Block"
+CHECK_SCORED_extra7186="NOT_SCORED"
+CHECK_CIS_LEVEL_extra7186="EXTRA"
+CHECK_SEVERITY_extra7186="High"
+CHECK_ASFF_RESOURCE_TYPE_extra7186="AwsS3Bucket"
+CHECK_ALTERNATE_check7186="extra7186"
+CHECK_SERVICENAME_extra7186="s3"
+CHECK_RISK_extra7186='Public access policies may be applied to sensitive data buckets'
+CHECK_REMEDIATION_extra7186='You can enable Public Access Block at the account level to prevent the exposure of your data stored in S3'
+CHECK_DOC_extra7186='https://docs.aws.amazon.com/AmazonS3/latest/userguide/access-control-block-public-access.html'
+CHECK_CAF_EPIC_extra7186='Data Protection'
+
+extra7186(){
+    S3_PUBLIC_ACCESS_BLOCK=$("${AWSCLI}" ${PROFILE_OPT} s3control get-public-access-block \
+                                --account-id "${ACCOUNT_NUM}" \
+                                --region "${REGION}" \
+                                --query 'PublicAccessBlockConfiguration.[IgnorePublicAcls,RestrictPublicBuckets]' \
+                                --output text 2>&1)
+    if grep -q -E 'AccessDenied|UnauthorizedOperation|AuthorizationError' <<< "${S3_PUBLIC_ACCESS_BLOCK}"; then
+        textInfo "${REGION}: Access Denied trying to recover AWS account ID" "${REGION}"
+        exit
+    fi
+
+    if grep -q -E 'False|NoSuchPublicAccessBlockConfiguration' <<< "${S3_PUBLIC_ACCESS_BLOCK}"; then
+        textFail "${REGION}: Block Public Access is not configured for the account ${ACCOUNT_NUM}" "${REGION}" "${ACCOUNT_NUM}"
+    else
+        textPass "${REGION}: Block Public Access is configured for the account ${ACCOUNT_NUM}" "${REGION}" "${ACCOUNT_NUM}"
+    fi
+}
diff --git a/groups/group7_extras b/groups/group7_extras
index 1429a3a612..7ed24f37c7 100644
--- a/groups/group7_extras
+++ b/groups/group7_extras
@@ -15,7 +15,7 @@ GROUP_ID[7]='extras'
 GROUP_NUMBER[7]='7.0'
 GROUP_TITLE[7]='Extras - all non CIS specific checks - [extras] ****************'
 GROUP_RUN_BY_DEFAULT[7]='Y' # run it when execute_all is called
-GROUP_CHECKS[7]='extra71,extra72,extra73,extra74,extra75,extra76,extra77,extra78,extra79,extra710,extra711,extra712,extra713,extra714,extra715,extra716,extra717,extra718,extra719,extra720,extra721,extra722,extra723,extra724,extra725,extra726,extra727,extra728,extra729,extra730,extra731,extra732,extra733,extra734,extra735,extra736,extra738,extra739,extra740,extra741,extra742,extra743,extra744,extra745,extra746,extra747,extra748,extra749,extra750,extra751,extra752,extra753,extra754,extra755,extra757,extra758,extra761,extra762,extra763,extra764,extra765,extra767,extra768,extra769,extra770,extra771,extra772,extra773,extra774,extra775,extra776,extra777,extra778,extra779,extra780,extra781,extra782,extra783,extra784,extra785,extra786,extra787,extra788,extra791,extra792,extra793,extra794,extra795,extra796,extra797,extra798,extra799,extra7100,extra7101,extra7102,extra7103,extra7104,extra7105,extra7106,extra7107,extra7108,extra7109,extra7110,extra7111,extra7112,extra7113,extra7114,extra7115,extra7116,extra7117,extra7118,extra7119,extra7120,extra7121,extra7122,extra7123,extra7124,extra7125,extra7126,extra7127,extra7128,extra7129,extra7130,extra7131,extra7132,extra7133,extra7134,extra7135,extra7136,extra7137,extra7138,extra7139,extra7140,extra7141,extra7142,extra7143,extra7144,extra7145,extra7146,extra7147,extra7148,extra7149,extra7150,extra7151,extra7152,extra7153,extra7154,extra7155,extra7156,extra7157,extra7158,extra7159,extra7160,extra7161,extra7162,extra7163,extra7164,extra7165,extra7166,extra7167,extra7168,extra7169,extra7170,extra7171,extra7172,extra7173,extra7174,extra7175,extra7176,extra7177,extra7178,extra7179,extra7180,extra7181,extra7182,extra7183,extra7184'
+GROUP_CHECKS[7]='extra71,extra72,extra73,extra74,extra75,extra76,extra77,extra78,extra79,extra710,extra711,extra712,extra713,extra714,extra715,extra716,extra717,extra718,extra719,extra720,extra721,extra722,extra723,extra724,extra725,extra726,extra727,extra728,extra729,extra730,extra731,extra732,extra733,extra734,extra735,extra736,extra738,extra739,extra740,extra741,extra742,extra743,extra744,extra745,extra746,extra747,extra748,extra749,extra750,extra751,extra752,extra753,extra754,extra755,extra757,extra758,extra761,extra762,extra763,extra764,extra765,extra767,extra768,extra769,extra770,extra771,extra772,extra773,extra774,extra775,extra776,extra777,extra778,extra779,extra780,extra781,extra782,extra783,extra784,extra785,extra786,extra787,extra788,extra791,extra792,extra793,extra794,extra795,extra796,extra797,extra798,extra799,extra7100,extra7101,extra7102,extra7103,extra7104,extra7105,extra7106,extra7107,extra7108,extra7109,extra7110,extra7111,extra7112,extra7113,extra7114,extra7115,extra7116,extra7117,extra7118,extra7119,extra7120,extra7121,extra7122,extra7123,extra7124,extra7125,extra7126,extra7127,extra7128,extra7129,extra7130,extra7131,extra7132,extra7133,extra7134,extra7135,extra7136,extra7137,extra7138,extra7139,extra7140,extra7141,extra7142,extra7143,extra7144,extra7145,extra7146,extra7147,extra7148,extra7149,extra7150,extra7151,extra7152,extra7153,extra7154,extra7155,extra7156,extra7157,extra7158,extra7159,extra7160,extra7161,extra7162,extra7163,extra7164,extra7165,extra7166,extra7167,extra7168,extra7169,extra7170,extra7171,extra7172,extra7173,extra7174,extra7175,extra7176,extra7177,extra7178,extra7179,extra7180,extra7181,extra7182,extra7183,extra7184,extra7186'
 
 # Extras 759 and 760 (lambda variables and code secrets finder are not included)
 # to run detect-secrets use `./prowler -g secrets`