Reino: Security Features

Segurança de software não é o mesmo que software de segurança. Aqui, estamos interessados em tópicos como autenticação, controle de acesso, confidencialidade, criptografia e gestão de privilégios.

Privilege Management: Dangerous Intent Permission

Abstract
Algumas permissões especificadas para Intents são mais perigosas do que outras, pois podem acidentalmente permitir que outros aplicativos leiam ou gravem em recursos.
Explanation
Algumas permissões em Intenções existem para serem capazes de conceder permissões a programas externos que em geral não as têm, como FLAG_GRANT_READ_URI_PERMISSION e FLAG_GRANT_WRITE_URI_PERMISSION. Se um programa mal-intencionado for capaz de interceptar essa intenção, ele obterá permissão para ler ou gravar no URI especificado. Esse URI poderá muitas vezes ser mais suscetível a interceptação se a intenção for implícita em vez de explícita.

Exemplo 1: O código a seguir define o sinalizador de permissão para permitir a gravação em um URI dentro da Intenção.


myIntent.setFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
References
[1] DRD05-J. Do not grant URI permissions on implicit intents CERT
[2] Standards Mapping - Common Weakness Enumeration CWE ID 267
[3] Standards Mapping - Common Weakness Enumeration Top 25 2023 [22] CWE ID 269
[4] Standards Mapping - Common Weakness Enumeration Top 25 2024 [15] CWE ID 269
[5] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000381, CCI-002233, CCI-002235
[6] Standards Mapping - FIPS200 AC
[7] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-6 Least Privilege (P1), CM-7 Least Functionality (P1)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-6 Least Privilege, CM-7 Least Functionality
[10] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[11] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[12] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[13] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[14] Standards Mapping - OWASP Top 10 2010 A6 Security Misconfiguration
[15] Standards Mapping - OWASP Top 10 2013 A5 Security Misconfiguration
[16] Standards Mapping - OWASP Top 10 2017 A6 Security Misconfiguration
[17] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.10
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 7.1.1
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 7.1.1
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 7.1.2
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 7.1.2
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 7.1.2
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 7.1.2
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 7.2.2
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 7.2.2
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[30] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 285
[31] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 285
[32] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3500 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3500 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3500 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3500 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3500 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3500 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3500 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000500 CAT II, APSC-DV-000510 CAT I, APSC-DV-001500 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000500 CAT II, APSC-DV-000510 CAT I, APSC-DV-001500 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000500 CAT II, APSC-DV-000510 CAT I, APSC-DV-001500 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000500 CAT II, APSC-DV-000510 CAT I, APSC-DV-001500 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000500 CAT II, APSC-DV-000510 CAT I, APSC-DV-001500 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000500 CAT II, APSC-DV-000510 CAT I, APSC-DV-001500 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000500 CAT II, APSC-DV-000510 CAT I, APSC-DV-001500 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000500 CAT II, APSC-DV-000510 CAT I, APSC-DV-001500 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000500 CAT II, APSC-DV-000510 CAT I, APSC-DV-001500 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000500 CAT II, APSC-DV-000510 CAT I, APSC-DV-001500 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000500 CAT II, APSC-DV-000510 CAT I, APSC-DV-001500 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000500 CAT II, APSC-DV-000510 CAT I, APSC-DV-001500 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000500 CAT II, APSC-DV-000510 CAT I, APSC-DV-001500 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000500 CAT II, APSC-DV-000510 CAT I, APSC-DV-001500 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000500 CAT II, APSC-DV-000510 CAT I, APSC-DV-001500 CAT II
[54] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[55] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.semantic.java.privilege_management_dangerous_intent_permission