계: Encapsulation

캡슐화는 강력한 경계를 그리는 것입니다. 웹 브라우저에서는 사용자의 모바일 코드가 다른 모바일 코드에 의해 오용되지 않도록 하는 것을 의미합니다. 서버에서는 검증된 데이터와 검증되지 않은 데이터, 한 사용자의 데이터와 다른 사용자의 데이터, 데이터 사용자가 볼 수 있는 데이터와 볼 수 없는 데이터 간의 차별화를 의미할 수 있습니다.

Insecure Storage: Persistent Named Pasteboard

Abstract
명명된 임시 보드를 영구 항목으로 구성하면 중요한 정보가 노출될 수 있습니다.
Explanation
개발자는 명명된 임시 보드를 사용해 응용 프로그램의 다른 부분 또는 팀 ID가 같은 타 응용 프로그램과 데이터를 공유할 수 있습니다. 명명된 임시 보드를 영구 항목으로 구성하는 방식은 중요한 데이터 노출을 야기할 수 있어 사용이 중단된 기능입니다. 임시 보드를 영구 항목으로 표시하면 임시 보드에 저장된 데이터를 암호화하지 않고 로컬 스토리지에 저장할 수 있으며, 해당 데이터는 응용 프로그램과 장치를 다시 시작해도 보존됩니다.
예제 1: 다음 예제에서는 명명된 임시 보드를 생성한 후 setPersistent:YES를 호출하여 영구 항목으로 구성합니다.

...
UIPasteboard *pasteboard = [UIPasteboard pasteboardWithName:@"myPasteboard" create:YES];
[pasteboard setPersistent:YES];
...
References
[1] setPersistent: | Apple Developer Documentation Apple
[2] iOS Platform APIs - OWASP Mobile Application Security OWASP
[3] Standards Mapping - Common Weakness Enumeration CWE ID 312, CWE ID 359
[4] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[6] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[7] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002475
[8] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[9] Standards Mapping - NIST Special Publication 800-53 Revision 4 SC-28 Protection of Information at Rest (P1)
[10] Standards Mapping - NIST Special Publication 800-53 Revision 5 SC-28 Protection of Information at Rest
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.6.3 Look-up Secret Verifier Requirements (L2 L3), 6.1.1 Data Classification (L2 L3), 6.1.2 Data Classification (L2 L3), 6.1.3 Data Classification (L2 L3), 6.2.1 Algorithms (L1 L2 L3), 8.1.6 General Data Protection (L3), 8.2.2 Client-side Data Protection (L1 L2 L3), 8.3.4 Sensitive Private Data (L1 L2 L3), 10.2.1 Malicious Code Search (L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile 2024 M9 Insecure Data Storage
[14] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-STORAGE-1
[15] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[16] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[17] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[18] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[19] Standards Mapping - OWASP Top 10 2021 A04 Insecure Design
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 3.2, Requirement 3.4, Requirement 4.2, Requirement 8.4
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 3.2, Requirement 3.4, Requirement 4.2, Requirement 6.5.6, Requirement 8.4
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 3.2, Requirement 3.4, Requirement 4.2, Requirement 6.5.5, Requirement 8.4
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 3.2, Requirement 3.4, Requirement 4.2, Requirement 6.5.5, Requirement 8.2.1
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 3.2, Requirement 3.4, Requirement 4.2, Requirement 6.5.5, Requirement 8.2.1
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 3.2, Requirement 3.4, Requirement 4.2, Requirement 6.5.5, Requirement 8.2.1
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 3.2, Requirement 3.4, Requirement 4.2, Requirement 6.5.5, Requirement 8.2.1
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 3.3.1, Requirement 3.5.1, Requirement 4.2.2, Requirement 6.2.4, Requirement 8.3.1
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.3 - Sensitive Data Retention, Control Objective 6.1 - Sensitive Data Protection
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.3 - Sensitive Data Retention, Control Objective 6.1 - Sensitive Data Protection, Control Objective B.2.5 - Terminal Software Design
[30] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.3 - Sensitive Data Retention, Control Objective 6.1 - Sensitive Data Protection, Control Objective B.2.5 - Terminal Software Design
[31] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3310 CAT I, APP3340 CAT I
[32] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3340 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3340 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3340 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3340 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3340 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3340 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002340 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002340 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002340 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002340 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002340 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002340 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002340 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002340 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002340 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002340 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002340 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002340 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002340 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002340 CAT II
[52] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[53] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.objc.insecure_storage_persistent_named_pasteboard
Abstract
명명된 임시 보드를 영구 항목으로 구성하면 중요한 정보가 노출될 수 있습니다.
Explanation
개발자는 명명된 임시 보드를 사용해 응용 프로그램의 다른 부분 또는 팀 ID가 같은 타 응용 프로그램과 데이터를 공유할 수 있습니다. 명명된 임시 보드를 영구 항목으로 구성하는 방식은 중요한 데이터 노출을 야기할 수 있어 사용이 중단된 기능입니다. 임시 보드를 영구 항목으로 표시하면 임시 보드에 저장된 데이터를 암호화하지 않고 로컬 스토리지에 저장할 수 있으며, 해당 데이터는 응용 프로그램과 장치를 다시 시작해도 보존됩니다.
예제 1: 다음 예제에서는 명명된 임시 보드를 생성한 후 setPersistent(true)를 호출하여 영구 항목으로 구성합니다.

...
let pasteboard = UIPasteboard(name: UIPasteboard.Name(rawValue: "myPasteboard"), create: true)!
pasteboard.setPersistent(true)
...
References
[1] setPersistent(_:) | Apple Developer Documentation Apple
[2] iOS Platform APIs - OWASP Mobile Application Security OWASP
[3] Standards Mapping - Common Weakness Enumeration CWE ID 312, CWE ID 359
[4] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[6] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[7] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002475
[8] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[9] Standards Mapping - NIST Special Publication 800-53 Revision 4 SC-28 Protection of Information at Rest (P1)
[10] Standards Mapping - NIST Special Publication 800-53 Revision 5 SC-28 Protection of Information at Rest
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.6.3 Look-up Secret Verifier Requirements (L2 L3), 6.1.1 Data Classification (L2 L3), 6.1.2 Data Classification (L2 L3), 6.1.3 Data Classification (L2 L3), 6.2.1 Algorithms (L1 L2 L3), 8.1.6 General Data Protection (L3), 8.2.2 Client-side Data Protection (L1 L2 L3), 8.3.4 Sensitive Private Data (L1 L2 L3), 10.2.1 Malicious Code Search (L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile 2024 M9 Insecure Data Storage
[14] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-STORAGE-1
[15] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[16] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[17] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[18] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[19] Standards Mapping - OWASP Top 10 2021 A04 Insecure Design
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 3.2, Requirement 3.4, Requirement 4.2, Requirement 8.4
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 3.2, Requirement 3.4, Requirement 4.2, Requirement 6.5.6, Requirement 8.4
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 3.2, Requirement 3.4, Requirement 4.2, Requirement 6.5.5, Requirement 8.4
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 3.2, Requirement 3.4, Requirement 4.2, Requirement 6.5.5, Requirement 8.2.1
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 3.2, Requirement 3.4, Requirement 4.2, Requirement 6.5.5, Requirement 8.2.1
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 3.2, Requirement 3.4, Requirement 4.2, Requirement 6.5.5, Requirement 8.2.1
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 3.2, Requirement 3.4, Requirement 4.2, Requirement 6.5.5, Requirement 8.2.1
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 3.3.1, Requirement 3.5.1, Requirement 4.2.2, Requirement 6.2.4, Requirement 8.3.1
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.3 - Sensitive Data Retention, Control Objective 6.1 - Sensitive Data Protection
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.3 - Sensitive Data Retention, Control Objective 6.1 - Sensitive Data Protection, Control Objective B.2.5 - Terminal Software Design
[30] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.3 - Sensitive Data Retention, Control Objective 6.1 - Sensitive Data Protection, Control Objective B.2.5 - Terminal Software Design
[31] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3310 CAT I, APP3340 CAT I
[32] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3340 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3340 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3340 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3340 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3340 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3340 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002340 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002340 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002340 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002340 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002340 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002340 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002340 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002340 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002340 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002340 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002340 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002340 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002340 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002340 CAT II
[52] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[53] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.swift.insecure_storage_persistent_named_pasteboard