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Merge branch 'master' of https://github.com/toniblyx/prowler

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This commit is contained in:
Joaquin Rinaudo
2020-08-28 07:13:16 +02:00
parent 9283fb59b4 7f03ef0e7e
commit 17e74a355f
8 changed files with 158 additions and 5 deletions
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2
checks/check12
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@@ -19,7 +19,7 @@ CHECK_ALTERNATE_check102="check12"
check12(){
# "Ensure multi-factor authentication (MFA) is enabled for all IAM users that have a console password (Scored)"
# List users with password enabled
COMMAND12_LIST_USERS_WITH_PASSWORD_ENABLED=$(cat $TEMP_REPORT_FILE|awk -F, '{ print $1,$4 }' |grep -F ' true$' | awk '{ print $1 }')
COMMAND12_LIST_USERS_WITH_PASSWORD_ENABLED=$(cat $TEMP_REPORT_FILE|awk -F, '{ print $1,$4 }' |grep 'true$' | awk '{ print $1 }')
COMMAND12=$(
for i in $COMMAND12_LIST_USERS_WITH_PASSWORD_ENABLED; do
cat $TEMP_REPORT_FILE|awk -F, '{ print $1,$8 }' |grep "^$i " |grep false | awk '{ print $1 }'

76
checks/check_extra7100 Normal file
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@@ -0,0 +1,76 @@
#!/usr/bin/env bash
# Prowler - the handy cloud security tool (copyright 2019) by Toni de la Fuente
#
# This check was contributed by Nick Malcolm (github.com/nickmalcolm), building
# on the hard work of others.
#
# 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_extra7100="7.100"
CHECK_TITLE_extra7100="[extra7100] Ensure that no custom policies exist which allow permissive role assumption (e.g. sts:AssumeRole on *)"
CHECK_SCORED_extra7100="NOT_SCORED"
CHECK_TYPE_extra7100="EXTRA"
CHECK_ASFF_RESOURCE_TYPE_extra7100="AwsIamPolicy"
CHECK_ALTERNATE_check7100="extra7100"
extra7100(){
# "Ensure that no custom policies exist which permit assuming any role (e.g. sts:AssumeRole on *)"
#
# A permissive STS Role assumption policy is one where the Resource (ARN) is not explicitly defined
# This is most often seen as sts:assumeRole on *, but can take other forms.
#
# Learn more: https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_use_permissions-to-switch.html#roles-usingrole-createpolicy
LIST_CUSTOM_POLICIES=$($AWSCLI iam list-policies --output text $PROFILE_OPT --region $REGION --scope Local --query 'Policies[*].[Arn,DefaultVersionId]' | grep -v -e '^None$' | awk -F '\t' '{print $1","$2"\n"}')
if [[ $LIST_CUSTOM_POLICIES ]]; then
textInfo "Looking for custom policies: (skipping default policies - it may take few seconds...)"
for policy in $LIST_CUSTOM_POLICIES; do
POLICY_ARN=$(echo $policy | awk -F ',' '{print $1}')
POLICY_VERSION=$(echo $policy | awk -F ',' '{print $2}')
POLICY_STATEMENTS_WITH_ALLOW=$($AWSCLI iam get-policy-version \
--output json \
--policy-arn $POLICY_ARN \
--version-id $POLICY_VERSION \
--query "[PolicyVersion.Document.Statement] | [] | [?Effect == 'Allow']" \
$PROFILE_OPT \
--region $REGION
)
# Identify permissive policies by:
# 1 & 2) Casting all the Resource and Action keys to Arrays (sometimes they're a single string)
# 3) Iterate over the policy statements
# 4) Narrow the scope to Actions which are sts:* or sts:assumeRole(WithSAML|WithWebIdentity)
# 5) Narrow the scope to Resources (IAM Roles) which include a wildcard
POLICY_WITH_PERMISSIVE_STS=$(echo $POLICY_STATEMENTS_WITH_ALLOW \
| jq 'map( .Resource |= (if type=="array" then . else [.] end) )' \
| jq 'map( .Action |= (if type=="array" then . else [.] end) )' \
| jq '.[]' \
| jq 'select(.Action[] | contains("sts:AssumeRole") or contains("sts:*"))' \
| jq 'select(.Resource[] | contains("*"))')
if [[ $POLICY_WITH_PERMISSIVE_STS ]]; then
PERMISSIVE_POLICIES_LIST="$PERMISSIVE_POLICIES_LIST $POLICY_ARN"
fi
done
if [[ $PERMISSIVE_POLICIES_LIST ]]; then
textInfo "STS AssumeRole Policies should only include the complete ARNs for the Roles that the user needs"
textInfo "Learn more: https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_use_permissions-to-switch.html#roles-usingrole-createpolicy"
for policy in $PERMISSIVE_POLICIES_LIST; do
textFail "Policy $policy allows permissive STS Role assumption"
done
else
textPass "No custom policies found that allow permissive STS Role assumption"
fi
else
textPass "No custom policies found"
fi
}

44
checks/check_extra798 Normal file
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@@ -0,0 +1,44 @@
#!/usr/bin/env bash
# Prowler - the handy cloud security tool (copyright 2018) 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_extra798="7.98"
CHECK_TITLE_extra798="[extra798] Check if Lambda functions have resource-based policy set as Public"
CHECK_SCORED_extra798="NOT_SCORED"
CHECK_TYPE_extra798="EXTRA"
CHECK_ASFF_RESOURCE_TYPE_extra798="AwsLambdaFunction"
CHECK_ALTERNATE_check798="extra798"
extra798(){
for regx in $REGIONS; do
LIST_OF_FUNCTIONS=$($AWSCLI lambda list-functions $PROFILE_OPT --region $regx --output text --query 'Functions[*].FunctionName')
if [[ $LIST_OF_FUNCTIONS ]]; then
for lambdafunction in $LIST_OF_FUNCTIONS; do
# get the policy per function
FUNCTION_POLICY=$($AWSCLI lambda get-policy $PROFILE_OPT --region $regx --function-name $lambdafunction --query Policy --output text 2>/dev/null)
if [[ $FUNCTION_POLICY ]]; then
FUNCTION_POLICY_ALLOW_ALL=$(echo $FUNCTION_POLICY \
| jq '.Statement[] | select(.Effect=="Allow") | select(.Principal=="*" or .Principal.AWS=="*" or .Principal.CanonicalUser=="*")')
if [[ $FUNCTION_POLICY_ALLOW_ALL ]]; then
textFail "$regx: Lambda function $lambdafunction has a policy with public access" "$regx"
else
textPass "$regx: Lambda function $lambdafunction has a policy resource-based policy and is not public" "$regx"
fi
else
textPass "$regx: Lambda function $lambdafunction does not have resource-based policy" "$regx"
fi
done
else
textInfo "$regx: No Lambda functions found" "$regx"
fi
done
}

33
checks/check_extra799 Normal file
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@@ -0,0 +1,33 @@
#!/usr/bin/env bash
# Prowler - the handy cloud security tool (copyright 2018) 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_extra799="7.99"
CHECK_TITLE_extra799="[extra799] Check if Security Hub is enabled and its standard subscriptions"
CHECK_SCORED_extra799="NOT_SCORED"
CHECK_TYPE_extra799="EXTRA"
CHECK_ASFF_RESOURCE_TYPE_extra799="AwsSecurityHubHub"
CHECK_ALTERNATE_check799="extra799"
CHECK_SEVERITY_extra799="medium"
extra799(){
for regx in $REGIONS; do
# If command below fails get nothing then it there are no subscriptions and Security Hub is not enabled.
LIST_OF_SECHUB_SUBSCRIPTIONS=$($AWSCLI $PROFILE_OPT --region $regx securityhub get-enabled-standards --query 'StandardsSubscriptions[?StandardsStatus == `READY`].StandardsSubscriptionArn' --output json 2>/dev/null | awk -F "/" '{ print $2 }' | tr '\n' ' ' )
if [[ $LIST_OF_SECHUB_SUBSCRIPTIONS ]]; then
textPass "$regx: Security Hub is enabled with standards $LIST_OF_SECHUB_SUBSCRIPTIONS" "$regx"
else
textInfo "$regx: Security Hub is not enabled" "$regx"
#textFail "$regx: Security Hub is not enabled" "$regx"
fi
done
}

2
groups/group17_internetexposed
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@@ -15,7 +15,7 @@ GROUP_ID[17]='internet-exposed'
GROUP_NUMBER[17]='17.0'
GROUP_TITLE[17]='Find resources exposed to the internet - [internet-exposed] *******'
GROUP_RUN_BY_DEFAULT[17]='N' # run it when execute_all is called
GROUP_CHECKS[17]='check41,check42,extra72,extra73,extra74,extra76,extra77,extra78,extra79,extra710,extra711,extra716,extra723,extra727,extra731,extra738,extra745,extra748,extra749,extra750,extra751,extra752,extra753,extra754,extra755,extra756,extra770,extra771,extra778,extra779,extra787,extra788'
GROUP_CHECKS[17]='check41,check42,extra72,extra73,extra74,extra76,extra77,extra78,extra79,extra710,extra711,extra716,extra723,extra727,extra731,extra736,extra738,extra745,extra748,extra749,extra750,extra751,extra752,extra753,extra754,extra755,extra756,extra770,extra771,extra778,extra779,extra787,extra788,extra798'
# 4.1 [check41] Ensure no security groups allow ingress from 0.0.0.0/0 or ::/0 to port 22 (Scored) [group4, cislevel1, cislevel2]
# 4.2 [check42] Ensure no security groups allow ingress from 0.0.0.0/0 or ::/0 to port 3389 (Scored) [group4, cislevel1, cislevel2]

2
groups/group7_extras
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@@ -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,extra737,extra738,extra739,extra740,extra741,extra742,extra743,extra744,extra745,extra746,extra747,extra748,extra749,extra750,extra751,extra752,extra753,extra754,extra755,extra756,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'
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,extra737,extra738,extra739,extra740,extra741,extra742,extra743,extra744,extra745,extra746,extra747,extra748,extra749,extra750,extra751,extra752,extra753,extra754,extra755,extra756,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'
# Extras 759 and 760 (lambda variables and code secrets finder are not included)
# to run detect-secrets use `./prowler -g secrets`

2
include/outputs
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@@ -295,7 +295,7 @@ generateJsonAsffOutput(){
{
"Type": $RESOURCE_TYPE,
"Id": "AWS::::Account:\($ACCOUNT_NUM)",
"Partition": "aws",
"Partition": $AWS_PARTITION,
"Region": $REPREGION
}
],

2
prowler
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@@ -96,7 +96,7 @@ USAGE:
exit
}
while getopts ":hlLkqp:r:c:g:f:m:M:E:enbVsSxI:A:R:T:w:" OPTION; do
while getopts ":hlLkqp:r:c:g:f:m:M:E:x:enbVsSI:A:R:T:w:" OPTION; do
case $OPTION in
h )
usage