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。
Insecure Storage: Android External Storage
Abstract
程序将数据写入 Android 设备的外部存储。
Explanation
保存到外部存储上的文件可随意读取，并且能够被启用 USB 海量存储来传输计算机上的文件的用户修改。另外，即便卸载了将文件写入外部存储卡的应用程序，这些文件也不会被删除。这些缺陷会危及写入存储的敏感信息，或者使攻击者能够通过修改程序所依赖的外部文件将恶意数据注入程序。
示例 1：在以下代码中，
示例 1：在以下代码中，
Environment.getExternalStorageDirectory() 会返回对 Android 设备的外部存储的引用。 private void WriteToFile(String what_to_write) {
try{
File root = Environment.getExternalStorageDirectory();
if(root.canWrite()) {
File dir = new File(root + "write_to_the_SDcard");
File datafile = new File(dir, number + ".extension");
FileWriter datawriter = new FileWriter(datafile);
BufferedWriter out = new BufferedWriter(datawriter);
out.write(what_to_write);
out.close();
}
}
}
References
[1] Data Storage
[2] Paul McNamara Latest 'lost' laptop holds treasure-trove of unencrypted ATT payroll data Network World
[3] Standards Mapping - CIS Azure Kubernetes Service Benchmark 1
[4] Standards Mapping - CIS Amazon Elastic Kubernetes Service Benchmark 2
[5] Standards Mapping - CIS Amazon Web Services Foundations Benchmark 1
[6] Standards Mapping - CIS Google Kubernetes Engine Benchmark confidentiality
[7] Standards Mapping - CIS Kubernetes Benchmark partial
[8] Standards Mapping - Common Weakness Enumeration CWE ID 276, CWE ID 313, CWE ID 359, CWE ID 921
[9] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[10] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[11] Standards Mapping - Common Weakness Enumeration Top 25 2021 [19] CWE ID 276, [20] CWE ID 200
[12] Standards Mapping - Common Weakness Enumeration Top 25 2022 [20] CWE ID 276
[13] Standards Mapping - Common Weakness Enumeration Top 25 2023 [25] CWE ID 276
[14] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002475
[15] Standards Mapping - FIPS200 MP
[16] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[17] Standards Mapping - NIST Special Publication 800-53 Revision 4 SC-28 Protection of Information at Rest (P1)
[18] Standards Mapping - NIST Special Publication 800-53 Revision 5 SC-28 Protection of Information at Rest
[19] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[20] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[21] Standards Mapping - OWASP Top 10 2021 A04 Insecure Design
[22] 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)
[23] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[24] Standards Mapping - OWASP Mobile 2024 M9 Insecure Data Storage
[25] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-STORAGE-1
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.3
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.3
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.3
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.3
[30] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[31] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.3 - Sensitive Data Retention, Control Objective 6.1 - Sensitive Data Protection, Control Objective 7 - Use of Cryptography
[32] 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 7 - Use of Cryptography
[33] 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 7 - Use of Cryptography
[34] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002340 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002340 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002340 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002340 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002340 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002340 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002340 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002340 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002340 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002340 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002340 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002340 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002340 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002340 CAT II
[48] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
desc.semantic.java.insecure_storage_android_external_storage