界: API Abuse

API 是调用方和被调用方之间的约定。最常见的 API 滥用是由于调用方未能遵守此约定的终止导致的。例如,如果某个程序在调用 chroot() 后未能调用 chdir(),则违反了用于指定如何安全地更改活动根目录的约定。库滥用的另一个典型示例是期望被调用方向调用方返回可信的 DNS 信息。在这种情况下,调用方通过对被调用方行为做出某种假设(返回值可用于身份验证目的)滥用其 API。另一方也可能违反调用方-被调用方约定。例如,如果编码器子类化 SecureRandom 并返回一个非随机值,则将违反此约定。

Often Misused: Asserting Permissions

Abstract
代码向其调用方声明提供了某项权限,有可能允许攻击者绕过安全控制。
Explanation
.NET Framework 中权限的工作方式是沿堆栈树升高(其中树向下生长),以检查设置的权限是否足以访问资源。开发人员将 Assert() 与特定权限一起使用时,意味着当前控制流具有指定的权限。这又会导致 .NET Framework 只要满足所需权限就会停止任何进一步的权限检查,意味着调用对 Assert() 发出调用的代码的代码可能没有所需权限。使用 Assert() 在一些情况下是有帮助的,但如果允许恶意用户获取对他们本无权限的资源的控制则会导致漏洞。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 275
[2] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-002038, CCI-002039, CCI-002165
[3] Standards Mapping - FIPS200 AC
[4] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[5] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), IA-11 Re-Authentication (P0)
[6] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, SC-11 Trusted Path
[7] Standards Mapping - OWASP API 2023 API1 Broken Object Level Authorization
[8] Standards Mapping - OWASP Application Security Verification Standard 4.0 1.4.5 Access Control Architectural Requirements (L2 L3)
[9] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[10] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[11] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[12] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[13] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[14] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[15] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[16] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 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 - SANS Top 25 2011 Porous Defenses - CWE ID 863
[29] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3510 CAT I
[30] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3510 CAT I
[31] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3510 CAT I
[32] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3510 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3510 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3510 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3510 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001520 CAT II, APSC-DV-001530 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001520 CAT II, APSC-DV-001530 CAT II
[51] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[52] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
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