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弱点

Azure Terraform Misconfiguration: Improper Key Vault Network Access Control

Abstract

配置定义了访问权限过于广泛的网络规则。

Explanation

宽松的访问配置可能会暴露系统并扩大组织的攻击面。向公众开放的服务通常会受到恶意实体近乎持续的扫描和探测。

当发现并发布某项公开服务的零日漏洞（例如 Heartbleed）时，尤其容易出现问题。攻击者可能会主动追踪和搜索未修补和暴露的系统以进行利用。

References

[1] Microsoft Configure Azure Storage firewalls and virtual networks

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

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

[4] Standards Mapping - Common Weakness Enumeration Top 25 2020 [25] CWE ID 862

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

[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-001813, CCI-002165

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

[8] 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), SC-3 Security Function Isolation (P1)

[9] 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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

[29] 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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

[53] 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-002360 CAT II

[54] 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-002360 CAT II

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

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

desc.structural.iac.azure.misconfiguration_improper_network_access_control.base

Azure Terraform Misconfiguration: Improper Logic App CORS Policy

Abstract

配置设置了过于宽松的 CORS 策略。

Explanation

跨域资源共享 (CORS) 是一种允许域为其资源定义策略，以供托管在不同域上的网页访问的技术。在过去，Web 浏览器始终限制从其他域加载的脚本访问其域资源，以遵守同源策略。
CORS 为域提供了一种将其他域列入安全列表并允许它们访问其资源的方法。

定义 CORS 策略时应小心谨慎，因为在服务器级别为域或域上的目录配置的过于宽松的策略可能会在跨域访问时暴露超过预期的更多内容。CORS 可使恶意应用程序与受害者应用程序进行错误通信，从而导致发生信息泄露、欺骗、数据被盗、转发或其他攻击。

实施 CORS 会增加应用程序的攻击面，只应在必要时使用。

References

[1] W3C Cross-Origin Resource Sharing

[2] Michael Schmidt HTML5 Web Security

[3] Philippe De Ryck, Lieven Desmet, Pieter Philippaerts, and Frank Piessens A Security Analysis of Next Generation Web Standards

[4] James Kettle Exploiting CORS misconfigurations for Bitcoins and bounties

[5] Standards Mapping - Common Weakness Enumeration CWE ID 942

[6] Standards Mapping - Common Weakness Enumeration Top 25 2024 [18] CWE ID 863

[7] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001368, CCI-001414

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

[9] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1)

[10] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement

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

[12] Standards Mapping - OWASP Application Security Verification Standard 4.0 14.4.6 HTTP Security Headers Requirements (L1 L2 L3), 14.5.3 Validate HTTP Request Header Requirements (L1 L2 L3)

[13] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication

[14] Standards Mapping - OWASP Top 10 2013 A5 Security Misconfiguration

[15] Standards Mapping - OWASP Top 10 2017 A6 Security Misconfiguration

[16] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration

[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.10

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

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

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

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

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

[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4

[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4

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

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

[27] 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

[28] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II

[29] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II

[30] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II

[31] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II

[32] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II

[33] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II

[34] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II

[35] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II

[36] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II

[37] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II

[38] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II

[39] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II

[40] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II

[41] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II

[42] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000480 CAT II, APSC-DV-000490 CAT II

[43] Standards Mapping - Web Application Security Consortium Version 2.00 Application Misconfiguration (WASC-15)

desc.structural.iac.misconfiguration_improper_cors_policy.base

Azure Terraform Misconfiguration: Improper MariaDB Network Access Control