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40 lines
1.9 KiB
Bash
40 lines
1.9 KiB
Bash
#!/usr/bin/env bash
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# Prowler - the handy cloud security tool (copyright 2018) by Toni de la Fuente
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy
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# of the License at http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software distributed
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# under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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# CONDITIONS OF ANY KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations under the License.
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CHECK_ID_extra7142="7.142"
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CHECK_TITLE_extra7142="[extra7142] Check if Application Load Balancer is dropping invalid packets to prevent header based http request smuggling"
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CHECK_SCORED_extra7142="NOT_SCORED"
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CHECK_TYPE_extra7142="EXTRA"
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CHECK_SEVERITY_extra7142="Medium"
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CHECK_ASFF_RESOURCE_TYPE_extra7142="AwsElasticLoadBalancingV2LoadBalancer"
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CHECK_ALTERNATE_check7142="extra7142"
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CHECK_ASFF_COMPLIANCE_TYPE_extra7142=""
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CHECK_SERVICENAME_extra7142="elb"
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extra7142(){
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for regx in $REGIONS; do
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LIST_OF_ELBSV2=$($AWSCLI elbv2 describe-load-balancers $PROFILE_OPT --region $regx --query 'LoadBalancers[?Type == `application`].[LoadBalancerArn]' --output text)
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if [[ $LIST_OF_ELBSV2 ]];then
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for alb in $LIST_OF_ELBSV2;do
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CHECK_IF_DROP_INVALID_HEADER_FIELDS=$($AWSCLI elbv2 describe-load-balancer-attributes $PROFILE_OPT --region $regx --load-balancer-arn $alb --query 'Attributes[6]' --output text|grep -i true)
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if [[ $CHECK_IF_DROP_INVALID_HEADER_FIELDS ]];then
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textPass "$regx: Application Load Balancer $alb is dropping invalid header fields." "$regx" "$alb"
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else
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textFail "$regx: Application Load Balancer $alb is not dropping invalid header fields" "$regx" "$alb"
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fi
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done
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else
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textInfo "$regx: no ALBs found"
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fi
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done
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}
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