Security Group Ingress Not Restricted

• Query id: ea6bc7a6-d696-4dcf-a788-17fa03c17c81
• Query name: Security Group Ingress Not Restricted
• Platform: Ansible
• Severity: High
• Category: Networking and Firewall
• URL: Github

Description

AWS Security Group should restrict ingress access
Documentation

Code samples

Code samples with security vulnerabilities

Positive test num. 1 - yaml file

- name: example ec2 group
  amazon.aws.ec2_group:
    name: example
    description: an example EC2 group
    vpc_id: 12345
    region: eu-west-1
    rules:
      - proto: -1
        from_port: 0
        to_port: 0
        cidr_ip: 0.0.0.0/0
      - proto: all
        from_port: 0
        to_port: 0
        cidr_ip: 0.0.0.0/0
      - proto: 12121
        from_port: 0
        to_port: 0
        cidr_ip: 0.0.0.0/0
- name: example ec2 group v2
  amazon.aws.ec2_group:
    name: example
    description: an example EC2 group
    vpc_id: 12345
    region: eu-west-1
    rules:
      - proto: -1
        from_port: 0
        to_port: 0
        cidr_ipv6: ::/0
      - proto: all
        from_port: 0
        to_port: 0
        cidr_ipv6: ::/0
      - proto: 121212
        from_port: 0
        to_port: 0
        cidr_ipv6: ::/0

Code samples without security vulnerabilities

Negative test num. 1 - yaml file

- name: example ec2 group v3
  amazon.aws.ec2_group:
    name: example
    description: an example EC2 group
    vpc_id: 12345
    region: eu-west-1
    rules:
    - proto: tcp
      from_port: 80
      to_port: 80
      cidr_ip: 10.0.0.0/8
- name: example ec2 group v4
  amazon.aws.ec2_group:
    name: example
    description: an example EC2 group
    vpc_id: 12345
    region: eu-west-1
    rules:
    - proto: tcp
      from_port: 80
      to_port: 80
      cidr_ipv6: 2001:DB8:8086:6502::/32