IAM Access Analyzer Not Enabled

• Query id: 8d29754a-2a18-460d-a1ba-9509f8d359da
• Query name: IAM Access Analyzer Not Enabled
• Platform: CloudFormation
• Severity: Low
• Category: Best Practices
• CWE: 778
• URL: Github

Description

IAM Access Analyzer should be enabled and configured to continuously monitor resource permissions
Documentation

Code samples

Code samples with security vulnerabilities

Positive test num. 1 - yaml file

AWSTemplateFormatVersion: "2010-09-09"
Description: A sample template 2
Resources:
  myuseeer:
    Type: AWS::IAM::Group
    Properties:
      Path: "/"
      LoginProfile:
        Password: myP@ssW0rd

Positive test num. 2 - json file

{
    "AWSTemplateFormatVersion": "2010-09-09",
    "Description": "A sample template 2",
    "Resources": {
      "myuseeer": {
        "Type": "AWS::IAM::Group",
        "Properties": {
          "Path": "/",
          "LoginProfile": {
            "Password": "myP@ssW0rd"
          }
        }
      }
    }
  }

Code samples without security vulnerabilities

Negative test num. 1 - yaml file

AWSTemplateFormatVersion: 2010-09-09
Resources:
  Analyzer:
    Type: "AWS::AccessAnalyzer::Analyzer"
    Properties:
      AnalyzerName: MyAccountAnalyzer
      Type: ACCOUNT
      Tags:
        - Key: Kind
          Value: Dev
      ArchiveRules:
        - # Archive findings for a trusted AWS account
          RuleName: ArchiveTrustedAccountAccess
          Filter:
            - Property: "principal.AWS"
              Eq:
                - "123456789012"
        - # Archive findings for known public S3 buckets
          RuleName: ArchivePublicS3BucketsAccess
          Filter:
            - Property: "resource"
              Contains:
                - "arn:aws:s3:::docs-bucket"
                - "arn:aws:s3:::clients-bucket"

Negative test num. 2 - json file

{
    "AWSTemplateFormatVersion": "2010-09-09",
    "Resources": {
      "Analyzer": {
        "Type": "AWS::AccessAnalyzer::Analyzer",
        "Properties": {
          "AnalyzerName": "MyAccountAnalyzer",
          "Type": "ACCOUNT",
          "Tags": [
            {
              "Key": "Kind",
              "Value": "Dev"
            }
          ],
          "ArchiveRules": [
            {
              "RuleName": "ArchiveTrustedAccountAccess",
              "Filter": [
                {
                  "Property": "principal.AWS",
                  "Eq": [
                    "123456789012"
                  ]
                }
              ]
            },
            {
              "RuleName": "ArchivePublicS3BucketsAccess",
              "Filter": [
                {
                  "Property": "resource",
                  "Contains": [
                    "arn:aws:s3:::docs-bucket",
                    "arn:aws:s3:::clients-bucket"
                  ]
                }
              ]
            }
          ]
        }
      }
    }
  }