界: Encapsulation

封装即绘制强边界。在 Web 浏览器中，这可能意味着确保您的移动代码不会被其他移动代码滥用。在服务器上，这可能意味着区分已验证数据和未验证数据、区分一个用户的数据和另一个用户的数据，或者区分允许用户查看的数据和不允许用户查看的数据。

System Information Leak: iOS Property List

Objective-C

Abstract

存储但未受保护的系统信息（例如，明文文件中的设备 ID）会危害系统安全性。揭示系统数据或调试信息可帮助攻击者了解系统并制定攻击计划。

Explanation

通过日志或打印功能将系统数据或调试信息发送到本地文件、控制台或屏幕时，就会发生内部信息泄露。

示例 1：下列 XML 包含有关 plist 文件中存储的设备的系统信息。除存储的其他值外，UDID 键还会存储唯一设备标识符。



<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
  <key>systemName</key>
  <string>John's iPhone</string>
  <key>systemInfo</key>
  <dict>
          <key>UDID</key>
          <string>2b6f0cc904d137be2e1730235f5664094b831186</string>
          <key>systemVersion</key>
          <string>4.2</string>
          <key>model</key>
          <string>iPhone</string>
          <key>localizedModel</key>
          <string>iPhone</string>
  </dict>
</dict>
</plist>

Example 1 中的代码会将移动设备中的私人信息存储在该设备上的一个不受支持的 plist 文件中。尽管许多开发人员认为 plist 文件是存储所有数据的安全位置，但这不是绝对的，特别是涉及到系统信息和隐私问题时，因为 plist 文件可被持有该设备的任何人读取。

References

[1] Standards Mapping - Common Weakness Enumeration CWE ID 497

[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200

[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200

[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200

[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200

[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420

[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data

[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)

[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling

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

[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)

[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage

[13] Standards Mapping - OWASP Mobile 2024 M8 Security Misconfiguration

[14] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-STORAGE-1

[15] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling

[16] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6

[17] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5

[18] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5

[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5

[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5

[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5

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

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

[24] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention

[25] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention

[26] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention

[27] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II

[28] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II

[29] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II

[30] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II

[31] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II

[32] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II

[33] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II

[34] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II

[35] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II

[36] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II

[37] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II

[38] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II

[39] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II

[40] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II

[41] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II

[42] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II

[43] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II

[44] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II

[45] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II

[46] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II

[47] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II

[48] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II

[49] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)

[50] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage

desc.config.objc.system_information_leak_ios_property_list