界: Environment

本節包括原始程式碼之外的所有內容,但對於建立中產品的安全性仍至關重要。由於此領域所涵蓋的問題與原始程式碼沒有直接關係,因此我們將其與其他領域分開。

ASP.NET Misconfiguration: Password Protection Disabled

Abstract
以純文字方式儲存密碼或使用簡單的加密方法可能危及系統安全。
Explanation
ASP.NET 應用程式可在 web.config 檔案中的<credentials> 元素中為 ASP.NET 應用程式儲存使用者名稱和密碼組,其支援純文字、MD5 和 SHA1 密碼格式。

以純文字方式儲存密碼或使用簡單的加密演算法,可讓任何擁有應用程式組態設定檔案存取權的人存取該密碼。這可能包括那些應用程式所寄宿的機器或者存放應用程式的原始碼儲存庫。

範例 1:以下的 web.config 項目錯誤的將其密碼以純文字方式儲存。


<configuration>
<system.web>
<authentication>
<forms protection="All">
<credentials passwordFormat="Clear">
<user name="user1" password="my_password"/>
<user name="user2" password="my_password1"/>
</credentials>
</forms>
</authentication>
</system.web>
</configuration>


ASP.NET 支援以 3 種格式儲存的憑證密碼,由 configuration/system.web/authentication/forms/credentials 元素中的 passwordFormat 屬性所定義。此屬性可能的值如下:

Clear - 表示密碼以純文字形式儲存 (安全程度最低)
MD5 - 表示儲存密碼的 MD5 雜湊資料
SHA1 - 表示儲存密碼的 SHA1 雜湊資料 (安全程度最高)

雖然 MD5 hash 儲存的安全性比純文字儲存高,但研究人員已發現了針對 MD5 hash 演算法的暴力攻擊方式。同時,SHA1 hash 仍然提供了防止此類攻擊的有效保護。
References
[1] credentials Element for forms for authentication (ASP.NET Settings Schema) Microsoft Corporation
[2] Standards Mapping - CIS Azure Kubernetes Service Benchmark 3
[3] Standards Mapping - CIS Amazon Elastic Kubernetes Service Benchmark 5
[4] Standards Mapping - CIS Amazon Web Services Foundations Benchmark 1
[5] Standards Mapping - CIS Google Kubernetes Engine Benchmark confidentiality
[6] Standards Mapping - CIS Kubernetes Benchmark complete
[7] Standards Mapping - Common Weakness Enumeration CWE ID 260
[8] Standards Mapping - Common Weakness Enumeration Top 25 2019 [13] CWE ID 287
[9] Standards Mapping - Common Weakness Enumeration Top 25 2020 [14] CWE ID 287, [18] CWE ID 522
[10] Standards Mapping - Common Weakness Enumeration Top 25 2021 [14] CWE ID 287, [21] CWE ID 522
[11] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287
[12] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287
[13] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000196, CCI-001199
[14] Standards Mapping - FIPS200 MP
[15] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[16] Standards Mapping - NIST Special Publication 800-53 Revision 4 SC-28 Protection of Information at Rest (P1)
[17] Standards Mapping - NIST Special Publication 800-53 Revision 5 SC-28 Protection of Information at Rest
[18] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[19] Standards Mapping - OWASP Top 10 2007 A8 Insecure Cryptographic Storage
[20] Standards Mapping - OWASP Top 10 2010 A7 Insecure Cryptographic Storage
[21] Standards Mapping - OWASP Top 10 2013 A5 Security Misconfiguration
[22] Standards Mapping - OWASP Top 10 2017 A6 Security Misconfiguration
[23] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[24] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[25] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.7.1 Out of Band Verifier Requirements (L1 L2 L3), 2.7.2 Out of Band Verifier Requirements (L1 L2 L3), 2.7.3 Out of Band Verifier Requirements (L1 L2 L3), 2.8.4 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.8.5 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.10.1 Service Authentication Requirements (L2 L3), 2.10.2 Service Authentication Requirements (L2 L3), 2.10.3 Service Authentication Requirements (L2 L3), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 9.2.3 Server Communications Security Requirements (L2 L3)
[26] Standards Mapping - OWASP Mobile 2014 M1 Weak Server Side Controls
[27] Standards Mapping - OWASP Mobile 2024 M8 Security Misconfiguration
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 3.4, Requirement 6.5.8, Requirement 8.4
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 3.4, Requirement 6.3.1.3, Requirement 6.5.8, Requirement 8.4
[30] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 3.4, Requirement 6.5.3, Requirement 8.4
[31] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 3.4, Requirement 6.5.3, Requirement 8.2.1
[32] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 3.4, Requirement 6.5.3, Requirement 8.2.1
[33] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 3.4, Requirement 6.5.3, Requirement 8.2.1
[34] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 3.4, Requirement 6.5.3, Requirement 8.2.1
[35] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 3.5.1, Requirement 6.2.4, Requirement 8.3.1
[36] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 6.2 - Sensitive Data Protection, Control Objective 7.1 - Use of Cryptography
[37] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 6.2 - Sensitive Data Protection, Control Objective 7.1 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[38] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 6.2 - Sensitive Data Protection, Control Objective 7.1 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design, Control Objective C.4.1 - Web Software Communications
[39] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3340 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3340 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3340 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3340 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3340 CAT I
[44] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3340 CAT I
[45] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3340 CAT I
[46] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II
[56] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II
[57] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II
[58] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II
[59] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II
[60] Standards Mapping - Web Application Security Consortium Version 2.00 Application Misconfiguration (WASC-15)
[61] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authentication
desc.config.dotnet.asp_dotnet_misconfiguration_password_protection_disabled