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Tested new checks 7143 to 7147

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Toni de la Fuente
2021-08-10 17:00:18 +02:00
parent 5d4a96c35b
commit c8e9cf2e77
7 changed files with 121 additions and 78 deletions
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60
checks/check_extra7142
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@@ -10,39 +10,35 @@
# 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_extra7147="7.147"
CHECK_TITLE_extra7147="[extra7147] Check if S3 Glacier vaults have policies which allow access to everyone"
CHECK_SCORED_extra7147="NOT_SCORED"
CHECK_TYPE_extra7147="EXTRA"
CHECK_SEVERITY_extra7147="Critical"
CHECK_ASFF_RESOURCE_TYPE_extra7147="AwsS3Glacier"
CHECK_ALTERNATE_check7147="extra7142"
CHECK_SERVICENAME_extra7147="s3glacier"
CHECK_RISK_extra7147='Vaults accessible to everyone could expose sensible data to bad actors'
CHECK_REMEDIATION_extra7147='Ensure vault policy does not have principle as *'
CHECK_DOC_extra7147='https://docs.aws.amazon.com/amazonglacier/latest/dev/access-control-overview.html'
CHECK_CAF_EPIC_extra7147='Data Protection'
CHECK_ID_extra7142="7.142"
CHECK_TITLE_extra7142="[extra7142] Check if Application Load Balancer is dropping invalid packets to prevent header based http request smuggling"
CHECK_SCORED_extra7142="NOT_SCORED"
CHECK_TYPE_extra7142="EXTRA"
CHECK_SEVERITY_extra7142="Medium"
CHECK_ASFF_RESOURCE_TYPE_extra7142="AwsElasticLoadBalancingV2LoadBalancer"
CHECK_ALTERNATE_check7142="extra7142"
CHECK_ASFF_COMPLIANCE_TYPE_extra7142=""
CHECK_SERVICENAME_extra7142="elb"
CHECK_RISK_extra7142='ALB can be target of actors sendingn bad http headers'
CHECK_REMEDIATION_extra7142='Ensure Application Load Balancer is configured for HTTP headers with header fields that are not valid are removed by the load balancer (true)'
CHECK_DOC_extra7142='https://docs.aws.amazon.com/elasticloadbalancing/latest/application/application-load-balancers.html#desync-mitigation-mode'
CHECK_CAF_EPIC_extra7142='Data Protection'
extra7147(){
extra7142(){
for regx in $REGIONS; do
LIST_OF_VAULTS=$($AWSCLI glacier list-vaults $PROFILE_OPT --region $regx --account-id $ACCOUNT_NUM --query VaultList[*].VaultName --output text|xargs -n1)
if [[ $LIST_OF_VAULTS ]]; then
for vault in $LIST_OF_VAULTS;do
VAULT_POLICY_STATEMENTS=$($AWSCLI glacier $PROFILE_OPT get-vault-access-policy --region $regx --account-id $ACCOUNT_NUM --vault-name $vault --output json --query policy.Policy 2>&1)
if [[ $VAULT_POLICY_STATEMENTS == *GetVaultAccessPolicy* ]]; then
textInfo "$regx: Vault $vault doesn't have any policy" "$regx" "$vault"
else
VAULT_POLICY_BAD_STATEMENTS=$(echo $VAULT_POLICY_STATEMENTS | jq '. | fromjson' | jq '.Statement[] | select(.Effect=="Allow") | select(.Principal=="*" or .Principal.AWS=="*" or .Principal.CanonicalUser=="*")')
if [[ $VAULT_POLICY_BAD_STATEMENTS != "" ]]; then
textFail "$regx: Vault $vault has policy which allows access to everyone" "$regx" "$vault"
LIST_OF_ELBSV2=$($AWSCLI elbv2 describe-load-balancers $PROFILE_OPT --region $regx --query 'LoadBalancers[?Type == `application`].[LoadBalancerArn]' --output text)
if [[ $LIST_OF_ELBSV2 ]];then
for alb in $LIST_OF_ELBSV2;do
CHECK_IF_DROP_INVALID_HEADER_FIELDS=$($AWSCLI elbv2 describe-load-balancer-attributes $PROFILE_OPT --region $regx --load-balancer-arn $alb --query 'Attributes[6]' --output text|grep -i true)
if [[ $CHECK_IF_DROP_INVALID_HEADER_FIELDS ]];then
textPass "$regx: Application Load Balancer $alb is dropping invalid header fields." "$regx" "$alb"
else
textPass "$regx: Vault $vault has policy which does not allow access to everyone" "$regx" "$vault"
textFail "$regx: Application Load Balancer $alb is not dropping invalid header fields" "$regx" "$alb"
fi
fi
done
else
textInfo "$regx: No Glacier vaults found" "$regx"
fi
done
}
done
else
textInfo "$regx: no ALBs found"
fi
done
}

16
checks/check_extra7143
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@@ -11,7 +11,7 @@
# CONDITIONS OF ANY KIND, either express or implied. See the License for the
# specific language governing permissions and limitations under the License.
CHECK_ID_extra7143="7.143"
CHECK_TITLE_extra7143="[extra7143] Check if EFS have policies which allow access to everyone (Not Scored) (Not part of CIS benchmark)"
CHECK_TITLE_extra7143="[extra7143] Check if EFS have policies which allow access to everyone"
CHECK_SCORED_extra7143="NOT_SCORED"
CHECK_TYPE_extra7143="EXTRA"
CHECK_SEVERITY_extra7143="Critical"
@@ -25,25 +25,25 @@ CHECK_CAF_EPIC_extra7143='Data Protection'
extra7143(){
# "Check if EFS have policies which allow access to everyone (Not Scored) (Not part of CIS benchmark)"
for region in $REGIONS; do
LIST_OF_EFS_IDS=$($AWSCLI efs describe-file-systems $PROFILE_OPT --region $region --query FileSystems[*].FileSystemId --output text|xargs -n1)
for regx in $REGIONS; do
LIST_OF_EFS_IDS=$($AWSCLI efs describe-file-systems $PROFILE_OPT --region $regx --query FileSystems[*].FileSystemId --output text|xargs -n1)
if [[ $LIST_OF_EFS_IDS ]]; then
for efsId in $LIST_OF_EFS_IDS;do
EFS_POLICY_STATEMENTS=$($AWSCLI efs $PROFILE_OPT describe-file-system-policy --region $region --file-system-id $efsId --output json --query Policy 2>&1)
EFS_POLICY_STATEMENTS=$($AWSCLI efs $PROFILE_OPT describe-file-system-policy --region $regx --file-system-id $efsId --output json --query Policy 2>&1)
if [[ $EFS_POLICY_STATEMENTS == *PolicyNotFound* ]]; then
textFail "$region: EFS: $efsId doesn't have any policy which means it grants full access to any client" "$region" "$efsId"
textFail "$regx: EFS: $efsId doesn't have any policy which means it grants full access to any client" "$regx" "$efsId"
else
EFS_POLICY_BAD_STATEMENTS=$(echo $EFS_POLICY_STATEMENTS | jq '. | fromjson' | jq '.Statement[] | select(.Effect=="Allow") | select(.Principal=="*" or .Principal.AWS=="*" or .Principal.CanonicalUser=="*")')
if [[ $EFS_POLICY_BAD_STATEMENTS != "" ]]; then
textFail "$region: EFS: $efsId has policy which allows access to everyone" "$region" "$efsId"
textFail "$regx: EFS $efsId has policy which allows access to everyone" "$regx" "$efsId"
else
textPass "$region: EFS: $efsId has policy which does not allow access to everyone" "$region" "$efsId"
textPass "$regx: EFS $efsId has policy which does not allow access to everyone" "$regx" "$efsId"
fi
fi
done
else
textInfo "$region: No EFS found" "$region"
textInfo "$regx: No EFS found" "$regx"
fi
done
}

8
checks/check_extra7144
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@@ -11,7 +11,7 @@
# CONDITIONS OF ANY KIND, either express or implied. See the License for the
# specific language governing permissions and limitations under the License.
CHECK_ID_extra7144="7.144"
CHECK_TITLE_extra7144="[extra7144] Check if aws cloudwatch has allowed sharing with other accounts (Not Scored) (Not part of CIS benchmark)"
CHECK_TITLE_extra7144="[extra7144] Check if CloudWatch has allowed cross-account sharing"
CHECK_SCORED_extra7144="NOT_SCORED"
CHECK_TYPE_extra7144="EXTRA"
CHECK_SEVERITY_extra7144="Medium"
@@ -21,15 +21,15 @@ CHECK_SERVICENAME_extra7144="cloudwatch"
CHECK_RISK_extra7144=''
CHECK_REMEDIATION_extra7144=''
CHECK_DOC_extra7144='https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/Cross-Account-Cross-Region.html'
CHECK_CAF_EPIC_extra7144=''
CHECK_CAF_EPIC_extra7144='Logging and Monitoring'
extra7144(){
# "Check if aws cloudwatch has allowed sharing with other accounts (Not Scored) (Not part of CIS benchmark)"
CLOUDWATCH_CROSS_ACCOUNT_ROLE=$($AWSCLI iam get-role $PROFILE_OPT --role-name=CloudWatch-CrossAccountSharingRole --output json --query Role 2>&1)
if [[ $CLOUDWATCH_CROSS_ACCOUNT_ROLE != *NoSuchEntity* ]]; then
CLOUDWATCH_POLICY_BAD_STATEMENTS=$(echo $CLOUDWATCH_CROSS_ACCOUNT_ROLE | jq '.AssumeRolePolicyDocument')
textInfo "Cloudwatch has allowed cross account sharing"
textInfo "$REGION: CloudWatch has allowed cross-account sharing" "$REGION"
else
textPass "CloudWatch doesn't allows cross account sharing"
textPass "$REGION: CloudWatch doesn't allows cross-account sharing" "$REGION"
fi
}

22
checks/check_extra7145
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@@ -11,39 +11,39 @@
# CONDITIONS OF ANY KIND, either express or implied. See the License for the
# specific language governing permissions and limitations under the License.
CHECK_ID_extra7145="7.145"
CHECK_TITLE_extra7145="[extra7145] Check if lambda functions have policies which allow access to every aws account (Not Scored) (Not part of CIS benchmark)"
CHECK_TITLE_extra7145="[extra7145] Check if Lambda functions have policies which allow access to any AWS account"
CHECK_SCORED_extra7145="NOT_SCORED"
CHECK_TYPE_extra7145="EXTRA"
CHECK_SEVERITY_extra7145="Critical"
CHECK_ASFF_RESOURCE_TYPE_extra7145="AwsLambda"
CHECK_ALTERNATE_check7145="extra7145"
CHECK_SERVICENAME_extra7145="lambda"
CHECK_RISK_extra7145='Lambda function access to any aws account may result security issues'
CHECK_REMEDIATION_extra7145='Ensure lambda function policiy does not allow access to any account'
CHECK_RISK_extra7145='Lambda function access to any AWS account may result security issues'
CHECK_REMEDIATION_extra7145='Ensure Lambda function policiy does not allow access to any account'
CHECK_DOC_extra7145='https://docs.aws.amazon.com/lambda/latest/dg/access-control-resource-based.html'
CHECK_CAF_EPIC_extra7145=''
CHECK_CAF_EPIC_extra7145='IAM'
extra7145(){
# "Check if lambda functions have policies which allow access to every aws account (Not Scored) (Not part of CIS benchmark)"
for region in $REGIONS; do
LIST_OF_LAMBDA_FUNCTIONS=$($AWSCLI lambda list-functions $PROFILE_OPT --region $region --query Functions[*].FunctionName --output text)
for regx in $REGIONS; do
LIST_OF_LAMBDA_FUNCTIONS=$($AWSCLI lambda list-functions $PROFILE_OPT --region $regx --query Functions[*].FunctionName --output text)
if [[ $LIST_OF_LAMBDA_FUNCTIONS ]]; then
for lambdaFunction in $LIST_OF_LAMBDA_FUNCTIONS;do
FUNCTION_POLICY_STATEMENTS=$($AWSCLI lambda $PROFILE_OPT get-policy --region $region --function-name $lambdaFunction --output json --query Policy 2>&1)
FUNCTION_POLICY_STATEMENTS=$($AWSCLI lambda $PROFILE_OPT get-policy --region $regx --function-name $lambdaFunction --output json --query Policy 2>&1)
if [[ $FUNCTION_POLICY_STATEMENTS == *ResourceNotFoundException* ]]; then
textInfo "$region : Lambda function: $lambdaFunction doesn't have any policy" "$region" "$lambdaFunction"
textInfo "$regx: Lambda function $lambdaFunction doesn't have any policy" "$regx" "$lambdaFunction"
else
FUNCTION_POLICY_BAD_STATEMENTS=$(echo $FUNCTION_POLICY_STATEMENTS | jq '. | fromjson' | jq '.Statement[] | select(.Effect=="Allow") | select(.Principal=="*" or .Principal.AWS=="*" or .Principal.CanonicalUser=="*")')
if [[ $FUNCTION_POLICY_BAD_STATEMENTS != "" ]]; then
textFail "$region: Lambda function: $lambdaFunction allows public access to every aws account" "$region" "$lambdaFunction"
textFail "$regx: Lambda function $lambdaFunction allows public access to any AWS account" "$regx" "$lambdaFunction"
else
textPass "$region: Lambda function: $lambdaFunction has policy which doesn't allow access to everyone having an aws account" "$region" "$lambdaFunction"
textPass "$regx: Lambda function $lambdaFunction has policy which doesn't allow access to everyone having an AWS account" "$regx" "$lambdaFunction"
fi
fi
done
else
textInfo "$region: No lambda functions found" "$region"
textInfo "$regx: No lambda functions found" "$regx"
fi
done
}

42
checks/check_extra7146
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@@ -11,33 +11,33 @@
# CONDITIONS OF ANY KIND, either express or implied. See the License for the
# specific language governing permissions and limitations under the License.
CHECK_ID_extra7146="7.146"
CHECK_TITLE_extra7146="[extra7146] Check if there is any unassigned elastic ip's (Not Scored) (Not part of CIS benchmark)"
CHECK_TITLE_extra7146="[extra7146] Check if there is any unassigned Elastic IP"
CHECK_SCORED_extra7146="NOT_SCORED"
CHECK_TYPE_extra7146="EXTRA"
CHECK_SEVERITY_extra7146="Medium"
CHECK_SEVERITY_extra7146="Low"
CHECK_ASFF_RESOURCE_TYPE_extra7146="AwsElasticIPs"
CHECK_ALTERNATE_check7146="extra7146"
CHECK_SERVICENAME_extra7146="elasticip"
CHECK_RISK_extra7146='Unassigned elastic ips may result in extra cost'
CHECK_REMEDIATION_extra7146='Ensure elastic ips are not unassigned'
CHECK_SERVICENAME_extra7146="ec2"
CHECK_RISK_extra7146='Unassigned Elastic IPs may result in extra cost'
CHECK_REMEDIATION_extra7146='Ensure Elastic IPs are not unassigned'
CHECK_DOC_extra7146='https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/elastic-ip-addresses-eip.html'
CHECK_CAF_EPIC_extra7146=''
CHECK_CAF_EPIC_extra7146='Infrastructure Security'
extra7146(){
# "Check if there is any unassigned elastic ip (Not Scored) (Not part of CIS benchmark)"
for region in $REGIONS; do
ELASTIC_IP_ADDRESSES=$($AWSCLI ec2 describe-addresses $PROFILE_OPT --region $region --query Addresses --output json)
if [[ $ELASTIC_IP_ADDRESSES != [] ]]; then
LIST_OF_ASSOCIATED_IPS=$(echo $ELASTIC_IP_ADDRESSES | jq -r '.[] | select(.AssociationId!=null) | .PublicIp')
LIST_OF_UNASSOCIATED_IPS=$(echo $ELASTIC_IP_ADDRESSES | jq -r '.[] | select(.AssociationId==null) | .PublicIp')
for ass_ip in $LIST_OF_ASSOCIATED_IPS; do
textPass "$region: Elastic IP: $ass_ip is associated with an instance or network interface" "$region" "$ass_ip"
done
for unass_ip in $LIST_OF_UNASSOCIATED_IPS; do
textInfo "$region: Elastic IP: $unass_ip is not associated with any instance or network interface, it may incurr extra cost" "$region" "$unass_ip"
done
else
textInfo "$region: No elastic ip's found" "$region"
fi
done
for regx in $REGIONS; do
ELASTIC_IP_ADDRESSES=$($AWSCLI ec2 describe-addresses $PROFILE_OPT --region $regx --query Addresses --output json)
if [[ $ELASTIC_IP_ADDRESSES != [] ]]; then
LIST_OF_ASSOCIATED_IPS=$(echo $ELASTIC_IP_ADDRESSES | jq -r '.[] | select(.AssociationId!=null) | .PublicIp')
LIST_OF_UNASSOCIATED_IPS=$(echo $ELASTIC_IP_ADDRESSES | jq -r '.[] | select(.AssociationId==null) | .PublicIp')
for ass_ip in $LIST_OF_ASSOCIATED_IPS; do
textPass "$regx: Elastic IP $ass_ip is associated with an instance or network interface" "$regx" "$ass_ip"
done
for unass_ip in $LIST_OF_UNASSOCIATED_IPS; do
textInfo "$regx: Elastic IP $unass_ip is not associated with any instance or network interface and it may incurr extra cost" "$regx" "$unass_ip"
done
else
textInfo "$regx: No Elastic IPs found" "$regx"
fi
done
}

47
checks/check_extra7147 Normal file
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@@ -0,0 +1,47 @@
#!/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_extra7147="7.147"
CHECK_TITLE_extra7147="[extra7147] Check if S3 Glacier vaults have policies which allow access to everyone"
CHECK_SCORED_extra7147="NOT_SCORED"
CHECK_TYPE_extra7147="EXTRA"
CHECK_SEVERITY_extra7147="Critical"
CHECK_ASFF_RESOURCE_TYPE_extra7147="AwsGlacierVault"
CHECK_ALTERNATE_check7147="extra7142"
CHECK_SERVICENAME_extra7147="glacier"
CHECK_RISK_extra7147='Vaults accessible to everyone could expose sensible data to bad actors'
CHECK_REMEDIATION_extra7147='Ensure vault policy does not have principle as *'
CHECK_DOC_extra7147='https://docs.aws.amazon.com/amazonglacier/latest/dev/access-control-overview.html'
CHECK_CAF_EPIC_extra7147='Data Protection'
extra7147(){
for regx in $REGIONS; do
LIST_OF_VAULTS=$($AWSCLI glacier list-vaults $PROFILE_OPT --region $regx --account-id $ACCOUNT_NUM --query VaultList[*].VaultName --output text|xargs -n1)
if [[ $LIST_OF_VAULTS ]]; then
for vault in $LIST_OF_VAULTS;do
VAULT_POLICY_STATEMENTS=$($AWSCLI glacier $PROFILE_OPT get-vault-access-policy --region $regx --account-id $ACCOUNT_NUM --vault-name $vault --output json --query policy.Policy 2>&1)
if [[ $VAULT_POLICY_STATEMENTS == *GetVaultAccessPolicy* ]]; then
textInfo "$regx: Vault $vault doesn't have any policy" "$regx" "$vault"
else
VAULT_POLICY_BAD_STATEMENTS=$(echo $VAULT_POLICY_STATEMENTS | jq '. | fromjson' | jq '.Statement[] | select(.Effect=="Allow") | select(.Principal=="*" or .Principal.AWS=="*" or .Principal.CanonicalUser=="*")')
if [[ $VAULT_POLICY_BAD_STATEMENTS != "" ]]; then
textFail "$regx: Vault $vault has policy which allows access to everyone" "$regx" "$vault"
else
textPass "$regx: Vault $vault has policy which does not allow access to everyone" "$regx" "$vault"
fi
fi
done
else
textInfo "$regx: No Glacier vaults found" "$regx"
fi
done
}