IAM User LoginProfile Password Is In Plaintext

• Query id: 06adef8c-c284-4de7-aad2-af43b07a8ca1
• Query name: IAM User LoginProfile Password Is In Plaintext
• Platform: CloudFormation
• Severity: High
• Category: Secret Management
• CWE: 256
• URL: Github

Description

IAM User LoginProfile Password must not be a plaintext string
Documentation

Code samples

Code samples with security vulnerabilities

Positive test num. 1 - yaml file

AWSTemplateFormatVersion: "2010-09-09"
Description: A sample template
Resources:
    myuser:
      Type: AWS::IAM::User
      Properties:
        Path: "/"
        LoginProfile:
         Password: myP@ssW0rd
         PasswordResetRequired: false
        Policies:
        - PolicyName: giveaccesstoqueueonly
          PolicyDocument:
            Version: '2012-10-17'
            Statement:
            - Effect: Allow
              Action:
              - sqs:*
              Resource:
              - !GetAtt myqueue.Arn
            - Effect: Deny
              Action:
              - sqs:*
              NotResource:
              - !GetAtt myqueue.Arn

Positive test num. 2 - json file

{
  "AWSTemplateFormatVersion": "2010-09-09",
  "Description": "A sample template",
  "Resources": {
    "myuser": {
      "Type": "AWS::IAM::User",
      "Properties": {
        "LoginProfile": {
          "Password": "myP@ssW0rd",
          "PasswordResetRequired": false
        },
        "Policies": [
          {
            "PolicyName": "giveaccesstoqueueonly",
            "PolicyDocument": {
              "Version": "2012-10-17",
              "Statement": [
                {
                  "Effect": "Allow",
                  "Action": [
                    "sqs:*"
                  ],
                  "Resource": [
                    "myqueue.Arn"
                  ]
                },
                {
                  "Effect": "Deny",
                  "Action": [
                    "sqs:*"
                  ],
                  "NotResource": [
                    "myqueue.Arn"
                  ]
                }
              ]
            }
          }
        ],
        "Path": "/"
      }
    }
  }
}

Code samples without security vulnerabilities

Negative test num. 1 - yaml file

AWSTemplateFormatVersion: "2010-09-09"
Description: A sample template
Resources:
    myTopuser:
      Type: AWS::IAM::User
      Properties:
        Path: "/"
        LoginProfile:
         Password:
         - !Ref NoEcho
         PasswordResetRequired: false
        Policies:
        - PolicyName: giveaccesstoqueueonly
          PolicyDocument:
            Version: '2012-10-17'
            Statement:
            - Effect: Allow
              Action:
              - sqs:*
              Resource:
              - !GetAtt myqueue.Arn
            - Effect: Deny
              Action:
              - sqs:*
              NotResource:
              - !GetAtt myqueue.Arn

Negative test num. 2 - yaml file

AWSTemplateFormatVersion: "2010-09-09"
Description: A sample template
Resources:
    myNewuser:
      Type: AWS::IAM::User
      Properties:
        Path: "/"
        LoginProfile:
         Password:
         - !Ref secretsmanager
         PasswordResetRequired: false
        Policies:
        - PolicyName: giveaccesstoqueueonly
          PolicyDocument:
            Version: '2012-10-17'
            Statement:
            - Effect: Allow
              Action:
              - sqs:*
              Resource:
              - !GetAtt myqueue.Arn
            - Effect: Deny
              Action:
              - sqs:*
              NotResource:
              - !GetAtt myqueue.Arn

Negative test num. 3 - json file

{
  "AWSTemplateFormatVersion": "2010-09-09",
  "Description": "A sample template",
  "Resources": {
    "myTopuser": {
      "Type": "AWS::IAM::User",
      "Properties": {
        "Path": "/",
        "LoginProfile": {
          "Password": [
            "NoEcho"
          ],
          "PasswordResetRequired": false
        },
        "Policies": [
          {
            "PolicyName": "giveaccesstoqueueonly",
            "PolicyDocument": {
              "Version": "2012-10-17",
              "Statement": [
                {
                  "Effect": "Allow",
                  "Action": [
                    "sqs:*"
                  ],
                  "Resource": [
                    "myqueue.Arn"
                  ]
                },
                {
                  "Effect": "Deny",
                  "Action": [
                    "sqs:*"
                  ],
                  "NotResource": [
                    "myqueue.Arn"
                  ]
                }
              ]
            }
          }
        ]
      }
    }
  }
}

Negative test num. 4 - json file

{
  "Resources": {
    "myNewuser": {
      "Type": "AWS::IAM::User",
      "Properties": {
        "Path": "/",
        "LoginProfile": {
          "Password": [
            "secretsmanager"
          ],
          "PasswordResetRequired": false
        },
        "Policies": [
          {
            "PolicyName": "giveaccesstoqueueonly",
            "PolicyDocument": {
              "Version": "2012-10-17",
              "Statement": [
                {
                  "Effect": "Allow",
                  "Action": [
                    "sqs:*"
                  ],
                  "Resource": [
                    "myqueue.Arn"
                  ]
                },
                {
                  "Effect": "Deny",
                  "Action": [
                    "sqs:*"
                  ],
                  "NotResource": [
                    "myqueue.Arn"
                  ]
                }
              ]
            }
          }
        ]
      }
    }
  },
  "AWSTemplateFormatVersion": "2010-09-09",
  "Description": "A sample template"
}