Kingdom: Security Features
Software security is not security software. Here we're concerned with topics like authentication, access control, confidentiality, cryptography, and privilege management.
SSH Misconfiguration: Missing Authentication
Abstract
The target SSH server does not require authentication.
Explanation
Any server containing sensitive information or privileged functionality, such as a remote administration panel, must require authentication for access. If this is not the case, an attacker can steal sensitive information or take control of a target host by simply guessing common user names.
The client can use the
Example 1: The following Paramiko code tries to authenticate with the server using the "none" authentication request.
The client can use the
NoneAuth authentication method to determine the available authentication methods.Example 1: The following Paramiko code tries to authenticate with the server using the "none" authentication request.
client = SSHClient()
client.connect(host, port, auth_strategy=NoneAuth("user"))
References
[1] IETF RFC 4252 - "none" Authentication Request IETF
[2] Paramiko Authentication Module "NoneAuth" Paramiko
[3] Standards Mapping - Common Weakness Enumeration CWE ID 306
[4] Standards Mapping - Common Weakness Enumeration Top 25 2019 [13] CWE ID 287
[5] Standards Mapping - Common Weakness Enumeration Top 25 2020 [14] CWE ID 287, [24] CWE ID 306
[6] Standards Mapping - Common Weakness Enumeration Top 25 2021 [11] CWE ID 306, [14] CWE ID 287
[7] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287, [18] CWE ID 306
[8] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287, [20] CWE ID 306
[9] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-000804, CCI-001084, CCI-002165
[10] Standards Mapping - FIPS200 IA
[11] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[12] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), IA-2 Identification and Authentication (Organizational Users) (P1), IA-8 Identification and Authentication (Non-Organizational Users) (P1), IA-11 Re-Authentication (P0), SC-3 Security Function Isolation (P1)
[13] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, IA-2 Identification and Authentication (Organizational Users), IA-8 Identification and Authentication (Non-Organizational Users), SC-3 Security Function Isolation, SC-11 Trusted Path
[14] Standards Mapping - OWASP API 2023 API2 Broken Authentication
[15] Standards Mapping - OWASP Application Security Verification Standard 4.0 1.2.2 Authentication Architectural Requirements (L2 L3), 1.2.3 Authentication Architectural Requirements (L2 L3), 1.2.4 Authentication Architectural Requirements (L2 L3), 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), 14.5.4 Validate HTTP Request Header Requirements (L1 L2 L3)
[16] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[17] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[18] Standards Mapping - OWASP Top 10 2004 A3 Broken Authentication and Session Management
[19] Standards Mapping - OWASP Top 10 2007 A7 Broken Authentication and Session Management
[20] Standards Mapping - OWASP Top 10 2010 A3 Broken Authentication and Session Management
[21] Standards Mapping - OWASP Top 10 2013 A2 Broken Authentication and Session Management
[22] Standards Mapping - OWASP Top 10 2017 A2 Broken Authentication
[23] Standards Mapping - OWASP Top 10 2021 A07 Identification and Authentication Failures
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 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 5.3 - Authentication and Access Control, Control Objective C.2.1.2 - 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 285
[35] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 306
[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, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001540 CAT I, APSC-DV-001610 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[56] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001540 CAT I, APSC-DV-001610 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[57] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authentication (WASC-01)
[58] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authentication
desc.structural.python.ssh_misconfiguration_missing_authentication