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Non-encrypted confidential information - AWS

Description​

AWS credentials are stored in plain text within the source code.

Impact​

  • Expose resources, processes and sensitive information that could be compromised.
  • Copy sensitive information from S3 Buckets.
  • Remove sensitive information from S3 Buckets.

Recommendation​

Encrypt all sensitive information that is transported or stored within the application according to the organizations policies.

Threat​

Attacker with access to the code from the Internet.

Expected Remediation Time​

⌚ 120 minutes.

Score​

Default score using CVSS 3.1. It may change depending on the context of the vulnerability.

Base​

  • Attack vector: N
  • Attack complexity: L
  • Privileges required: L
  • User interaction: N
  • Scope: C
  • Confidentiality: H
  • Integrity: H
  • Availability: H

Temporal​

  • Exploit code madurity: X
  • Remediation level: X
  • Report confidence: X

Result​

  • Vector string: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:X/RL:X/RC:X
  • Score:
    • Base: 9.9
    • Temporal: 9.9
  • Severity:
    • Base: Critical
    • Temporal: Critical

Code Examples​

Compliant code​

Sensitive resources should have access credentials stored as encrypted values

provider "aws" {
  region     = "us-west-2"
  access_key = encrypted_key
  secret_key = secret_key
}
resource "aws_lb" "test" {
  name               = ""test-lb-tf""
  internal           = false
  load_balancer_type = ""application""
  security_groups    = [aws_security_group.lb_sg.id]
  enable_deletion_protection = true
}
Resources:
  NewVolume1:
    Type: AWS::EC2::Volume
    Properties:
      Size: 100
      Encrypted: true
      AvailabilityZone: us-east-1
    DeletionPolicy: Snapshot

Non compliant code​

Some sensitive resources have their access credentials exposed in the source code

provider "aws" {
  region     = "us-west-2"
  access_key = "plain_access_key"
  secret_key = "my-secret-key"
}
resource "aws_lb" "test" {
  name               = ""test-lb-tf""
  internal           = false
  load_balancer_type = ""application""
  security_groups    = [aws_security_group.lb_sg.id]
  enable_deletion_protection = false
}
Resources:
  NewVolume1:
    Type: AWS::EC2::Volume
    Properties:
      Size: 100
      Encrypted: false
      AvailabilityZone: us-east-1
    DeletionPolicy: Snapshot

Requirements​

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