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UBTU-24-100800 Ubuntu 24.04 LTS must have SSH installed.

DISA STIG library V1R7
All changes in this version
first version loaded CAT I

Maps to SC-8, SC-8(2) via CCI-002418, CCI-002420, CCI-002422

Title

Ubuntu 24.04 LTS must have SSH installed.

Control

Verify the SSH package is installed with the following command: $ dpkg -l | grep openssh ii openssh-client 1:9.6p1-3ubuntu13.5 amd64 secure shell (SSH) client, for secure access to remote machines ii openssh-server 1:9.6p1-3ubuntu13.5 amd64 secure shell (SSH) server, for secure access from remote machines ii openssh-sftp-server 1:9.6p1-3ubuntu13.5 amd64 secure shell (SSH) sftp server module, for SFTP access from remote machines If the "openssh" server package is not installed, this is a finding.

Discussion

Without protection of the transmitted information, confidentiality and integrity may be compromised because unprotected communications can be intercepted and either read or altered. This requirement applies to both internal and external networks and all types of information system components from which information can be transmitted (e.g., servers, mobile devices, notebook computers, printers, copiers, scanners, and facsimile machines). Communication paths outside the physical protection of a controlled boundary are exposed to the possibility of interception and modification. Protecting the confidentiality and integrity of organizational information can be accomplished by physical means (e.g., employing physical distribution systems) or by logical means (e.g., employing cryptographic techniques). If physical means of protection are employed, then logical means (cryptography) do not have to be employed, and vice versa. Satisfies: SRG-OS-000423-GPOS-00187, SRG-OS-000425-GPOS-00189, SRG-OS-000426-GPOS-00190

Related controls

CCI-002418, CCI-002420, CCI-002422

Fix

Install the "ssh" meta-package on the system with the following command: $ sudo apt install -y ssh