계: Security Features

소프트웨어 보안은 보안 소프트웨어가 아닙니다. 여기서는 인증, 액세스 제어, 기밀성, 암호화, 권한 관리 등의 항목에 대해 설명합니다.

AWS Ansible Misconfiguration: Improper EC2 Network Access Control

YAML

Abstract

Ansible 작업이 지나치게 광범위한 액세스 권한을 가진 AWS 보안 그룹을 정의합니다.

Explanation

느슨한 액세스 구성은 시스템을 불필요하게 노출시키고 조직의 공격 표면을 확장합니다. 공개 상호 작용이 가능한 서비스는 일반적으로 악의적인 엔터티의 거의 지속적인 검색 및 조사에 노출됩니다.

이는 노출된 서비스에 대한 제로데이 익스플로이트가 검색되어 게시되는 경우(예: Heartbleed) 특히 문제가 됩니다. 공격자는 패치되지 않고 노출된 시스템을 적극적으로 추적하고 검색하여 악용할 수 있습니다.

예제 1: 다음 Ansible 작업은 SSH 서버에서 일반적으로 수신 연결 요청에 응답하는 데 사용되는 TCP 포트 22를 전 세계에 공개(0.0.0.0/0)하는 AWS 보안 그룹을 정의합니다.


- name: Task to open SSH port
  amazon.aws.ec2_group:
    name: demo_security_group
    description: Open the ssh port to the world
    state: present
    vpc_id: 123456
    region: us-west-1
    rules:
    - proto: tcp
        ports: 22
        cidr_ip: 0.0.0.0/0

References

[1] Ansible project contributors amazon.aws.ec2_group – maintain an ec2 VPC security group

[2] Jesse Lepich and Michael Ingoldby AWS Security Blog: How to continuously audit and limit security groups with AWS Firewall Manager

[3] Jeffrey Lyon AWS Security Blog: How to Help Prepare for DDoS Attacks by Reducing Your Attack Surface

[4] Josh Fruhlinger CSOOnline: The Heartbleed bug: How a flaw in OpenSSL caused a security crisis

[5] Standards Mapping - CIS Amazon Web Services Foundations Benchmark Recommendation 5.1

[6] Standards Mapping - Common Weakness Enumeration CWE ID 749

[7] Standards Mapping - Common Weakness Enumeration Top 25 2020 [18] CWE ID 522

[8] Standards Mapping - Common Weakness Enumeration Top 25 2021 [18] CWE ID 862

[9] Standards Mapping - Common Weakness Enumeration Top 25 2022 [16] CWE ID 862

[10] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002038, CCI-002165

[11] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation

[12] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-6 Least Privilege (P1), CM-5 Access Restrictions for Change (P1), IA-11 Re-Authentication (P0), SC-3 Security Function Isolation (P1)

[13] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-6 Least Privilege, CM-5 Access Restrictions for Change, SC-3 Security Function Isolation, SC-11 Trusted Path

[14] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration

[15] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.3 General Access Control Design (L1 L2 L3)

[16] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control

[17] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference

[18] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References

[19] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References

[20] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control

[21] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control

[22] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2

[23] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4

[24] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8

[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8

[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8

[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8

[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8

[29] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 1.4.2

[30] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 1.4.2

[31] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control

[32] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control

[33] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls

[34] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 285

[35] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 863

[36] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863

[37] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II

[38] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I

[39] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I

[40] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I

[41] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I

[42] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I

[43] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I

[44] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II

[45] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II

[46] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II

[47] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II

[48] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II

[49] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II

[50] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II

[51] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II

[52] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II

[53] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II

[54] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II

[55] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II

[56] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II

[57] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-001520 CAT II, APSC-DV-002360 CAT II

[58] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-001520 CAT II, APSC-DV-002360 CAT II

[59] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)

[60] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization

desc.structural.yaml.aws_ansible_misconfiguration_improper_ec2_network_access_control.base