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New check extra7142 ALB Header Check request smuggling @Outrun207

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New check extra7142 ALB Header Check request smuggling @Outrun207
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Toni de la Fuente
2021-06-01 12:27:07 +02:00
committed by GitHub
parent 324a1002a5 e3893c7d5b
commit 96b9accea8
1 changed files with 39 additions and 0 deletions
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#!/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_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"
extra7142(){
for regx in $REGIONS; do
LIST_OF_ELBSV2=$($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" "$alb"
else
textFail "$regx: Application Load Balancer $alb is not dropping invalid header fields" "$regx" "$alb"
fi
done
else
textInfo "$regx: no ALBs found"
fi
done
}