Cookie Security: HTTPOnly not Set on Application Cookie

C#/VB.NET/ASP.NET

Abstract

程式未將 HttpCookie.HttpOnly 屬性設定為 true。

Explanation

httpOnlyCookies 屬性的預設值為 false，表示可以透過用戶端 script 來存取 cookie。這是不必要的 Cross-Site Scripting 威脅，會導致 cookie 遭竊取。遭竊取的 cookie 可能包含可識別網站使用者的敏感資訊，例如 ASP.NET 工作階段 ID 或 forms authentication 許可證，並且可能會遭攻擊者重複攻擊，以偽裝使用者或取得敏感資訊。
範例 1：易受攻擊的組態：


<configuration>
  <system.web>
    <httpCookies httpOnlyCookies="false">

References

[1] httpCookies Element MSDN

[2] Top 10 Application Security Vulnerabilities in Web.config Files Developer Fusion

[3] Standards Mapping - Common Weakness Enumeration CWE ID 1004

[4] Standards Mapping - Common Weakness Enumeration Top 25 2019 [15] CWE ID 732

[5] Standards Mapping - Common Weakness Enumeration Top 25 2020 [16] CWE ID 732

[6] Standards Mapping - Common Weakness Enumeration Top 25 2021 [22] CWE ID 732

[7] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001184, CCI-002418, CCI-002420, CCI-002421, CCI-002422

[8] Standards Mapping - FIPS200 CM

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

[10] Standards Mapping - NIST Special Publication 800-53 Revision 4 SC-8 Transmission Confidentiality and Integrity (P1), SC-23 Session Authenticity (P1)

[11] Standards Mapping - NIST Special Publication 800-53 Revision 5 SC-8 Transmission Confidentiality and Integrity, SC-23 Session Authenticity

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

[13] Standards Mapping - OWASP Application Security Verification Standard 4.0 3.2.3 Session Binding Requirements (L1 L2 L3), 3.4.2 Cookie-based Session Management (L1 L2 L3), 4.1.3 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3), 4.3.3 Other Access Control Considerations (L2 L3), 13.1.4 Generic Web Service Security Verification Requirements (L2 L3)

[14] Standards Mapping - OWASP Mobile 2014 M4 Unintended Data Leakage

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

[16] Standards Mapping - OWASP Top 10 2004 A10 Insecure Configuration Management

[17] Standards Mapping - OWASP Top 10 2010 A6 Security Misconfiguration

[18] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure

[19] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure

[20] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration

[21] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.3

[22] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.7

[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.10

[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.10

[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.10

[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.10

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

[28] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 4.2 - Critical Asset Protection

[29] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 4.2 - Critical Asset Protection

[30] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 4.2 - Critical Asset Protection

[31] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002210 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II

[32] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002210 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II

[33] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002210 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II

[34] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002210 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II

[35] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002210 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II

[36] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002210 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II

[37] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002210 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II

[38] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002210 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II

[39] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002210 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II

[40] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002210 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II

[41] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002210 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II

[42] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002210 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II

[43] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002210 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II

[44] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002210 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II

[45] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authentication (WASC-01)

[46] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authentication

desc.config.dotnet.cookie_security_httponly_not_set_on_session_cookie