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feat(HIPAA Security): Add 3 EC2 checks (#317)
closes #189 closes #191 closes #239 ---- *By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*
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27 changes: 27 additions & 0 deletions
27
src/HIPAA-Security/rules/ec2/hipaaSecurityEC2InstanceDetailedMonitoringEnabled.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| /* | ||
| Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. | ||
| SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
|
||
| import { CfnLaunchConfiguration } from '@aws-cdk/aws-autoscaling'; | ||
| import { CfnInstance } from '@aws-cdk/aws-ec2'; | ||
| import { IConstruct, Stack } from '@aws-cdk/core'; | ||
|
|
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| /** | ||
| * EC2 instances have detailed monitoring enabled - (Control IDs: 164.312(b)) | ||
| * @param node the CfnResource to check | ||
| */ | ||
| export default function (node: IConstruct): boolean { | ||
| if (node instanceof CfnInstance) { | ||
| const monitoring = Stack.of(node).resolve(node.monitoring); | ||
| if (monitoring == undefined || monitoring == false) { | ||
| return false; | ||
| } | ||
| } else if (node instanceof CfnLaunchConfiguration) { | ||
| const monitoring = Stack.of(node).resolve(node.instanceMonitoring); | ||
| if (monitoring != undefined && monitoring == false) { | ||
| return false; | ||
| } | ||
| } | ||
| return true; | ||
| } |
31 changes: 31 additions & 0 deletions
31
src/HIPAA-Security/rules/ec2/hipaaSecurityEC2InstanceNoPublicIp.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| /* | ||
| Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. | ||
| SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
|
||
| import { CfnInstance } from '@aws-cdk/aws-ec2'; | ||
| import { IConstruct, Stack } from '@aws-cdk/core'; | ||
|
|
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| /** | ||
| * EC2 instances do not have public IPs - (Control IDs: 164.308(a)(3)(i), 164.308(a)(4)(ii)(A), 164.308(a)(4)(ii)(C), 164.312(a)(1), 164.312(e)(1)) | ||
| * @param node the CfnResource to check | ||
| */ | ||
| export default function (node: IConstruct): boolean { | ||
| if (node instanceof CfnInstance) { | ||
| const networkInterfaces = Stack.of(node).resolve(node.networkInterfaces); | ||
| if (networkInterfaces != undefined) { | ||
| //Iterate through network interfaces, checking if public IPs are enabled | ||
| for (const networkInterface of networkInterfaces) { | ||
| const resolvedInterface = Stack.of(node).resolve(networkInterface); | ||
| if (resolvedInterface.associatePublicIpAddress != undefined) { | ||
| if (resolvedInterface.associatePublicIpAddress == true) { | ||
| return false; | ||
| } | ||
| } else { | ||
| return false; | ||
| } | ||
| } | ||
| } | ||
| } | ||
| return true; | ||
| } |
22 changes: 22 additions & 0 deletions
22
src/HIPAA-Security/rules/ec2/hipaaSecurityEC2InstancesInVPC.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| /* | ||
| Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. | ||
| SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
|
||
| import { CfnInstance } from '@aws-cdk/aws-ec2'; | ||
| import { IConstruct, Stack } from '@aws-cdk/core'; | ||
|
|
||
| /** | ||
| * EC2 instances are created within VPCs - (Control IDs: 164.308(a)(3)(i), 164.308(a)(4)(ii)(A), 164.308(a)(4)(ii)(C), 164.312(a)(1), 164.312(e)(1)) | ||
| * @param node the CfnResource to check | ||
| */ | ||
| export default function (node: IConstruct): boolean { | ||
| if (node instanceof CfnInstance) { | ||
| //If we are in a VPC, then we'll have a subnet | ||
| const subnetId = Stack.of(node).resolve(node.subnetId); | ||
| if (subnetId == undefined) { | ||
| return false; | ||
| } | ||
| } | ||
| return true; | ||
| } |
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