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https://github.com/ghndrx/prowler.git
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58 lines
2.7 KiB
Bash
58 lines
2.7 KiB
Bash
#!/usr/bin/env bash
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# Prowler - the handy cloud security tool (copyright 2019) 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_extra759="7.59"
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CHECK_TITLE_extra759="[extra759] Find secrets in Lambda functions variables (Not Scored) (Not part of CIS benchmark)"
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CHECK_SCORED_extra759="NOT_SCORED"
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CHECK_TYPE_extra759="EXTRA"
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CHECK_SEVERITY_extra759="High"
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CHECK_ASFF_RESOURCE_TYPE_extra759="AwsLambdaFunction"
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CHECK_ALTERNATE_check759="extra759"
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CHECK_SERVICENAME_extra759="lambda"
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extra759(){
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SECRETS_TEMP_FOLDER="$PROWLER_DIR/secrets-$ACCOUNT_NUM"
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if [[ ! -d $SECRETS_TEMP_FOLDER ]]; then
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# this folder is deleted once this check is finished
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mkdir $SECRETS_TEMP_FOLDER
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fi
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textInfo "Looking for secrets in Lambda variables across all regions... "
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for regx in $REGIONS; do
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LIST_OF_FUNCTIONS=$($AWSCLI lambda list-functions $PROFILE_OPT --region $regx --query Functions[*].FunctionName --output text)
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if [[ $LIST_OF_FUNCTIONS ]]; then
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for lambdafunction in $LIST_OF_FUNCTIONS;do
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LAMBDA_FUNCTION_VARIABLES_FILE="$SECRETS_TEMP_FOLDER/extra759-$lambdafunction-$regx-variables.txt"
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LAMBDA_FUNCTION_VARIABLES=$($AWSCLI lambda $PROFILE_OPT --region $regx get-function-configuration --function-name $lambdafunction --query 'Environment.Variables' --output text > $LAMBDA_FUNCTION_VARIABLES_FILE)
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if [ -s $LAMBDA_FUNCTION_VARIABLES_FILE ];then
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# Implementation using https://github.com/Yelp/detect-secrets
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FINDINGS=$(secretsDetector file $LAMBDA_FUNCTION_VARIABLES_FILE)
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if [[ $FINDINGS -eq 0 ]]; then
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textPass "$regx: No secrets found in Lambda function $lambdafunction variables" "$regx"
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# delete file if nothing interesting is there
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rm -f $LAMBDA_FUNCTION_VARIABLES_FILE
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else
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textFail "$regx: Potential secret found in Lambda function $lambdafunction variables" "$regx"
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# delete file to not leave trace, user must look at the function
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rm -f $LAMBDA_FUNCTION_VARIABLES_FILE
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fi
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else
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textInfo "$regx: Lambda function $stalambdafunction has not variables" "$regx"
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fi
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done
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else
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textInfo "$regx: No Lambda functions found" "$regx"
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fi
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done
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rm -rf $SECRETS_TEMP_FOLDER
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}
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