Reino: Security Features
La seguridad de un software no es un software de seguridad. Nos preocupamos de cuestiones como la autenticación, el control de acceso, la confidencialidad, la criptografía y la gestión de privilegios.
Privilege Management: Dangerous Intent Permission
Abstract
Algunos permisos especificados para Intents son más peligrosos de usar que otros, ya que pueden permitir, sin pretenderlo el autor, que otras aplicaciones lean recursos o escriban en ellos.
Explanation
La función de algunos permisos en Intents es conceder permisos a programas externos que normalmente carecen de esos permisos, como
Ejemplo 1: el siguiente código establece la marca de permiso para activar la escritura en un URI dentro del Intent.
FLAG_GRANT_READ_URI_PERMISSION
o FLAG_GRANT_WRITE_URI_PERMISSION
. Si un programa malintencionado consigue interceptar esta finalidad, obtendrá permiso para leer o escribir en el URI especificado. A menudo, las finalidades implícitas serán más susceptibles de ser interceptadas que las explícitas.Ejemplo 1: el siguiente código establece la marca de permiso para activar la escritura en un URI dentro del Intent.
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