界: Code Quality

代码质量不佳会导致不可预测的行为。对于用户来说，通常表现为可用性差。对于攻击者来说，提供了以意外方式对系统施加压力的机会。

Portability Flaw

Abstract
在多个操作系统和操作系统版本之间，执行语义不一致的函数会导致可移植性问题。
Explanation
这一类函数的行为会因操作系统而异，甚至有时还会受操作系统版本的影响。函数的实现差异主要包括：

— 参数解析方式的细微差异会导致结果不一致。

— 一些函数的实现本身就包含了很大的安全风险。

— 并非所有平台上都定义了函数。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 474
[2] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001310
[3] Standards Mapping - NIST Special Publication 800-53 Revision 4 SI-10 Information Input Validation (P1)
[4] Standards Mapping - NIST Special Publication 800-53 Revision 5 SI-10 Information Input Validation
[5] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002520 CAT II
[6] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002520 CAT II
[7] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002520 CAT II
[8] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002520 CAT II
[9] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002520 CAT II
[10] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002520 CAT II
[11] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002520 CAT II
[12] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002520 CAT II
[13] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002520 CAT II
[14] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002520 CAT II
[15] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002520 CAT II
[16] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002520 CAT II
[17] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002520 CAT II
[18] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002520 CAT II
[19] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002520 CAT II
desc.semantic.cpp.portability_flaw