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NixOS must not have the telnet package installed.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-268131ANIX-00-000780SV-268131r1131067_ruleCCI-000197high
Description
Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are not encrypted, they can be plainly read (i.e., clear text) and easily compromised.
STIGDate
Anduril NixOS Security Technical Implementation Guide2025-08-19

Related Frameworks

1 mapping across 4 frameworks
SCF0 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (3) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

IAC-10Authenticator Management
0.50
IAC-10.1Password-Based Authentication
0.50
IAC-10.4Automated Support For Password Strength
0.50
NIST 800-530 mappings

No source states a mapping between these directly.

Also reachable in 2 hops (58) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

AC-17(1)Monitoring and Control
1.00
AC-17(2)Protection of Confidentiality and Integrity Using Encryption
1.00
AC-2(1)Automated System Account Management
1.00
AC-2(10)Shared and Group Account Credential Change
1.00
AC-2(11)Usage Conditions
1.00
AC-2(2)Automated Temporary and Emergency Account Management
1.00
AC-2(3)Disable Accounts
1.00
AC-2(4)Automated Audit Actions
1.00
AC-3Access Enforcement
1.00
AC-4Information Flow Enforcement
1.00

+48 more (top 10 by confidence shown)

NIST 800-1710 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (4) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

3.5.10
1.00
3.5.7
1.00
3.5.8
1.00
3.5.9
1.00
CCI1 mapping
CCI-000197
1.00

Details

Check Text (C-268131r1131067_chk)

Ensure the telnet package is not installed and available with the following command: $ whereis telnet telnet: If there is a path, and the output looks like "telnet: /nix/store/sqiphymcpky1yysgdc1aj4lr9jg9n53a-inetutils-2.2/bin/telnet", this is a finding.

Fix Text (F-71958r1131066_fix)

Edit the NixOS Configuration file /etc/nixos/configuration.nix or /etc/nixos/flake.nix and remove any references to pkgs.libtelnet, pkgs.busybox, or pkgs.inetutils from the environment.systemPackages list. Rebuild and switch to the new NixOS configuration: $ sudo nixos-rebuild switch