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Change Log

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[2.1.3] - 2024-09-18

Fixed

  • Resolved an issue in the remediation scripts for EC2.18 and EC2.19 where security group rules with IpProtocol set to "-1" were being incorrectly ignored.

Changed

  • Upgraded all Python runtimes in remediation SSM documents from Python 3.8 to Python 3.11.

Security

[2.1.2] - 2024-06-20

Fixed

  • Disabled AppRegistry for certain playbooks to avoid errors when updating solution
  • Created list of playbooks instead of creating stacks dynamically to avoid this in the future

Security

[2.1.1] - 2024-04-10

Changed

  • Changed order of CloudFormation parameters to emphasize the Security Control playbook
  • Changed default for all playbooks other than SC to 'no'
  • Updated descriptions of playbook parameters
  • Updated architecture diagram

[2.1.0] - 2024-03-28

Added

  • CloudWatch Dashboard for monitoring solution metrics
  • Remediations will be scheduled in the future to prevent throttling if many remediations are triggered in a short period of time
  • New support for NIST 800-53 standard
  • New remediations for CloudFront.1, CloudFront.12, Codebuild.5, EC2.4, EC2.8, EC2.18, EC2.19, EC2.23, ECR.1, GuardDuty.1 IAM.3, S3.9, S3.11, S3.13, SecretsManager.1, SecretsManager.3, SecretsManager.4, SSM.4
  • Support for customizable input parameters to remediations

Changed

  • Updated AFBSP to FBSP in docs
  • Add HttpEndpoint parameter as enabled for EC2.8 remediation
  • Updated imports for moto 5.0.0

Fixed

  • Disabled AppRegistry functionality in China regions. AppRegistry is not available in those regions
  • Added missing EventBridge rules for CloudFormation.1, EC2.15, SNS.1, SNS.2, and SQS.1
  • Fixed SC_SNS.2 Not executing due to wrong automation document
  • Fixed RDS.4 remediation failing to remediate due to incorrect regex
  • RDS.4 regex now includes snapshots created by Backup
  • Enable CloudTrail encryption remediation is now a regional remediation
  • Fixed SC_SQS.2 incorrect parameter
  • Fixed SC_EC2.6 message on finding note
  • Added AddTagsToResource to EncryptRDSSnapshot remediation role
  • SNS.2 now works in regions other than where the roles are deployed
  • Updated SNS.1 parameter to TopicArn instead of SNSTopicArn
  • SC_RDS.1 regex now includes snapshots
  • Fixed certain remediations failing in opt-in regions due to STS token endpoint
  • Rules for CIS 1.4.0 no longer match on CIS 1.2.0 generator ID
  • Fixed S3.6 creating malformed policy when all principals are "*"

Security

  • Upgraded urllib3

[2.0.2] - 2023-10-24

Security

  • Upgraded @babel/traverse to mitigate CVE-2023-45133
  • Upgraded urllib3 to mitigate CVE-2023-45803
  • Upgraded aws-cdk-lib to mitigate CVE-2023-35165
  • Upgraded @cdklabs/cdk-ssm-documents to mitigate CVE-2023-26115

[2.0.1] - 2023-04-20

Fixed

  • Set bucket ownership property explicitly when creating logging buckets with ACLs

[2.0.0] - 2023-03-23

Added

  • New remediations contributed by 6Pillars: CIS v1.2.0 1.20
  • New AWS FSBP remediations for CloudFormation.1, EC2.15, SNS.1, SNS.2, SQS.1
  • Service Catalog AppRegistry integration
  • New support for Security Controls, finding deduplication
  • New support for CIS v1.4.0 standard

Changed

  • Added protections to avoid deployment failure due to SSM document throttling

[1.5.1] - 2022-12-22

Changed

  • Changed SSM document name prefixes from SHARR to ASR to support stack update
  • Upgraded Lambda Python runtimes to 3.9

Fixed

  • Reverted SSM document custom resource provider to resolve intermittent deployment errors
  • Fixed bug in AWS FSBP AutoScaling.1 and PCI.AutoScaling.1 remediation regexes

[1.5.0] - 2022-05-31

Added

  • New remediations - see Implementation Guide

Changed

  • Improved cross-region remediation using resource region from Resources[0].Id
  • Added custom resource provider for SSM documents to allow in-place stack upgrades

[1.4.2] - 2022-01-14

Changed

  • Fix to correct the generator id pattern for CIS 1.2.0 Ruleset.

[1.4.1] - 2022-01-05

Changed

  • Bug Fix for issue 47
  • Bug Fix for issue 48

[1.4.0] - 2021-12-13

Changed

  • Bug fixes for AWS FSBP EC2.1, CIS 3.x
  • Separated Member roles from the remediations so that roles can be deployed once per account
  • Roles are now global
  • Cross-region remediation is now supported
  • Deployment using stacksets is documented in the IG and supported by the templates
  • Member account roles for remediation runbooks are now retained when the stack is deleted so that remediations that use these roles continue to function if the solution is removed

Added

  • Added a get_approval_requirement lambda that customers can use to implement custom business logic
  • Added the ability for customers to route findings to an alterate runbook when the finding meets criteria. For example, potentially destructive remediations can be sent to a runbook that sends the finding data to Incident Manager.
  • New remediation for AWS FSBP & PCI S3.5

[1.3.2] - 2021-11-09

  • Corrected CIS 3.1 filter pattern
  • Corrected SNS Access Policy for SO0111-SHARR-LocalAlarmNotification
  • Corrected KMS CMK Access Policy used by the SNS topic to allow CloudWatch use
  • EvaluationPeriods for CIS 3.x alarms changed from 240 (20 hours) to 12 (1 hour)

[1.3.1] - 2021-09-10

Changed

  • CreateLogMetricFilterAndAlarm.py changed to make Actions active, add SNS notification to SO0111-SHARR-LocalAlarmNotification
  • Change CIS 2.8 remediation to match new finding data format

[1.3.0] - 2021-08-30

Added

  • New AWS Foundational Best Practices (FSBP) support: EC2.6, IAM.7-8, S3.1-3
  • New CIS v1.2.0 support: 2.1, 2.7, 3.1-14
  • New PCI-DSS v3.2.1 Playbook support for 17 controls (see IG for details)
  • Library of remediation SSM Automation runbooks
  • NEWPLAYBOOK as a template for custom playbook creation

Changed

  • Updated to CDK v1.117.0
  • Reduced duplicate code
  • Updated CIS playbook to Orchestrator architecture
  • Single Orchestrator deployment to enable multi-standard remediation with a single click
  • Custom Actions now consolidated to one: "Remediate with SHARR"

Removed

  • AWS Service Catalog for Playbook deployment

[1.2.1] - 2021-05-14

Changed

  • Corrected SSM permissions that were preventing execution of AWS-owned SSM remediation documents

[1.2.0] - 2021-03-22

Added

  • New FSBP playbook with 12 new remediations
  • New Lambda Layer for use by solution lambdas
  • New Playbook architecture: Step Function, microservice Lambdas, Systems Manager runbooks
  • Corrected anonymous metrics to log only on final state (FAILED or RESOLVED)
  • Added logging to put anonymous metrics in solution logs as an audit trail
  • Corrected the anonymous metrics UUID to use standard 8-4-4-4-12 format
  • Encrypted CloudWatch logs for FSBP state machine

Changed

  • Consolidated CDK to a single installation
  • Moved common/core CDK modules to source/lib
  • Update CDK to 1.80.0

[1.1.0] - 2020-11-15

Changed

  • Added support for AWS partitions other than 'aws' (aws-us-gov, aws-cn)
  • Updated CDK support to 1.68.0

[1.0.1] - 2020-09-18

Changed

  • Added info-level messages indicating action (CREATE/UPDATE) from the CreateCustomAction lambda
  • Added more stringent matching on Workflow Status and Compliance Status to CloudWatch Event Rules for Custom Actions and CloudWatch finding events (automatic trigger)
  • Added logging of the finding id to the lambda log for each remediation
  • Added region name to all IAM roles
  • Added region name to IAM Groups - permissions can now be granted per region
  • Removed statically-defined policy names for IAM Groups
  • Removed snapshot test from CDK unit tests

[1.0.0] - 2020-08-12

Added

  • New add-on solution for AWS Security Hub with CIS v1.2.0 remediations