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.

Kubernetes Misconfiguration: Image Authorization Bypass

Abstract
O controlador de admissão AlwaysPullImages não está habilitado em um servidor da API Kubernetes.
Explanation
Extrair uma imagem de contêiner de um registro geralmente requer autorização. Os nós do Kubernetes, no entanto, armazenam em cache todas as imagens de contêineres iniciados anteriormente. Um invasor pode ignorar a autorização necessária iniciando um contêiner com uma imagem em cache. O controlador de admissão AlwaysPullImages pode evitar esse desvio.

Exemplo 1: A configuração a seguir inicia um servidor da API Kubernetes sem o controlador de admissão AlwaysPullImages no sinalizador --enable-admission-plugins.

...
kind: Pod
...
spec:
  containers:
  - command:
    - kube-apiserver
    ...
    - --enable-admission-plugins=PodNodeSelector,LimitRanger
    ...
References
[1] Kubernetes API Server The Kubernetes Authors
[2] Using Admission Controllers The Kubernetes Authors
[3] Standards Mapping - CIS Kubernetes Benchmark Recommendation 1.2.11
[4] Standards Mapping - Common Weakness Enumeration CWE ID 264
[5] Standards Mapping - Common Weakness Enumeration Top 25 2020 [25] CWE ID 862
[6] Standards Mapping - Common Weakness Enumeration Top 25 2021 [18] CWE ID 862
[7] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-002165
[8] Standards Mapping - FIPS200 CM, SC
[9] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[10] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1)
[11] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement
[12] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[13] Standards Mapping - OWASP Application Security Verification Standard 4.0 1.4.2 Access Control Architectural Requirements (L2 L3)
[14] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[15] Standards Mapping - OWASP Top 10 2004 A10 Insecure Configuration Management
[16] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[17] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[18] Standards Mapping - OWASP Top 10 2013 A5 Security Misconfiguration
[19] Standards Mapping - OWASP Top 10 2017 A6 Security Misconfiguration
[20] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2, Requirement 6.5.10
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[30] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[31] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[32] 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
[33] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 285
[34] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 863
[35] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[36] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3510 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3510 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3510 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3510 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3510 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3510 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3510 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[56] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[57] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II
[58] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[59] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.structural.yaml.kubernetes_misconfiguration_image_authorization_bypass