Serverless Function Environment Variables Not Encrypted
- Query id: a7f8ac28-eed1-483d-87c8-4c325f022572
- Query name: Serverless Function Environment Variables Not Encrypted
- Platform: CloudFormation
- Severity: Medium
- Category: Encryption
- CWE: 526
- URL: Github
Description¶
AWS Serverless Function should encrypt environment variables
Documentation
Code samples¶
Code samples with security vulnerabilities¶
Positive test num. 1 - yaml file
AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: AWS SAM template with a simple API definition
Resources:
Function:
Type: AWS::Serverless::Function
Properties:
PackageType: Image
ImageUri: account-id.dkr.ecr.region.amazonaws.com/ecr-repo-name:image-name
ImageConfig:
Command:
- "app.lambda_handler"
EntryPoint:
- "entrypoint1"
WorkingDirectory: "workDir"
Tags:
- Key: Type
Value: AWS Serverless Function
DeadLetterConfig:
TargetArn: arn:aws:sqs:us-east-1:2324243535:aaa
Type: SQS
Environment:
Variables:
key: value
Code samples without security vulnerabilities¶
Negative test num. 1 - yaml file
AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: AWS SAM template with a simple API definition
Resources:
Function1:
Type: AWS::Serverless::Function
Properties:
PackageType: Image
ImageUri: account-id.dkr.ecr.region.amazonaws.com/ecr-repo-name:image-name
ImageConfig:
Command:
- "app.lambda_handler"
EntryPoint:
- "entrypoint1"
WorkingDirectory: "workDir"
Tags:
- Key: Type
Value: AWS Serverless Function
DeadLetterConfig:
TargetArn: arn:aws:sqs:us-east-1:2324243535:aaa
Type: SQS
Environment:
Variables:
key: value
KmsKeyArn: arn:aws:kms:us-west-1:123456789123:key/12345678-12cc-45bb-98aa-9876543210cc