HTTP Port Open To Internet

• Query id: ffac8a12-322e-42c1-b9b9-81ff85c39ef7
• Query name: HTTP Port Open To Internet
• Platform: Terraform
• Severity: Medium
• Category: Networking and Firewall
• URL: Github

Description

The HTTP port is open to the internet in a Security Group
Documentation

Code samples

Code samples with security vulnerabilities

Positive test num. 1 - tf file

resource "aws_security_group" "positive1" {
  name        = "http_positive_tcp_1"
  description = "Gets the HTTP port open with the tcp protocol"

  ingress {
    description = "HTTP port open"
    from_port   = 78
    to_port     = 91
    protocol    = "tcp"
    cidr_blocks = ["0.0.0.0/0"]
  }
}

resource "aws_security_group" "positive2" {
  name        = "http_positive_tcp_2"
  description = "Gets the HTTP port open with the tcp protocol"

  ingress {
    description = "HTTP port open"
    from_port   = 60
    to_port     = 85
    protocol    = "tcp"
    cidr_blocks = ["0.0.0.2/0"]
  }

  ingress {
    description = "HTTP port open"
    from_port   = 65
    to_port     = 81
    protocol    = "tcp"
    cidr_blocks = ["0.0.0.0/0"]
  }
}

Code samples without security vulnerabilities

Negative test num. 1 - tf file

resource "aws_security_group" "negative1" {
  name        = "negative_http"
  description = "Doesn't get the HTTP port open"
}

resource "aws_security_group" "negative2" {

  ingress {
    from_port   = 70
    to_port     = 81
    protocol    = "tcp"
  }
}

resource "aws_security_group" "negative3" {

  ingress {
    from_port   = 79
    to_port     = 100
    protocol    = "tcp"
    cidr_blocks = ["0.1.0.0/0"]
  }
}