Reino: Environment

Esta sección incluye todo lo que está fuera del código fuente pero aun así es importante para la seguridad del producto que se está creando. Dado que todas las cuestiones incluidas en esta sección no están directamente relacionadas con el código fuente, las hemos separado de las demás secciones.

PHP Misconfiguration: cgi.force_redirect Disabled

Abstract
Autorizar a los usuarios a que invoquen el intérprete de PHP directamente a través de la Web puede permitir a los atacantes burlar las comprobaciones de permiso y acceder a archivos protegidos del servidor.
Explanation
Si el intérprete de PHP está instalado como un binario CGI, las solicitudes de recursos PHP las suele redireccionar el servidor web al intérprete. En esta situación, cuando un usuario solicita http://www.ejemplo.com/contenido/pagina.php, el servidor realiza en primer lugar las comprobaciones de control de acceso necesarias en el directorio /contenido y, a continuación, redirige el control al intérprete de PHP con una solicitud para http://www.ejemplo.com/cgi-bin/php/contenido/pagina.php.

Si la opción cgi.force_redirect, que está activada de forma predeterminada, se encuentra desactivada, los atacantes con acceso a /cgi-bin/php pueden utilizar los permisos del intérprete de PHP para acceder a documentos web arbitrarios, con lo que estarían burlando las comprobaciones de control de acceso que realiza el servidor.
References
[1] M. Achour et al. PHP Manual
[2] Standards Mapping - Common Weakness Enumeration CWE ID 305
[3] Standards Mapping - Common Weakness Enumeration Top 25 2019 [13] CWE ID 287
[4] Standards Mapping - Common Weakness Enumeration Top 25 2020 [14] CWE ID 287
[5] Standards Mapping - Common Weakness Enumeration Top 25 2021 [14] CWE ID 287
[6] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287
[7] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287
[8] Standards Mapping - Common Weakness Enumeration Top 25 2024 [14] CWE ID 287
[9] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-002165
[10] Standards Mapping - FIPS200 AC
[11] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[12] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1)
[13] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement
[14] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[15] 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), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 9.2.3 Server Communications Security Requirements (L2 L3)
[16] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[17] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[18] Standards Mapping - OWASP Top 10 2007 A10 Failure to Restrict URL Access
[19] Standards Mapping - OWASP Top 10 2010 A8 Failure to Restrict URL Access
[20] Standards Mapping - OWASP Top 10 2013 A5 Security Misconfiguration
[21] Standards Mapping - OWASP Top 10 2017 A6 Security Misconfiguration
[22] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2, Requirement 7.2
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.10, Requirement 7.2
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8, Requirement 7.2
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8, Requirement 7.2
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8, Requirement 7.2
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8, Requirement 7.2
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8, Requirement 7.2
[30] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 7.3.1
[31] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 7.3.1
[32] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[33] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[34] 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
[35] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[56] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[57] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[58] Standards Mapping - Web Application Security Consortium Version 2.00 Application Misconfiguration (WASC-15)
desc.structural.php.php_misconfiguration_cgi_force_redirect