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The Photon operating system must protect sshd configuration from unauthorized access.


Overview

Finding ID Version Rule ID IA Controls Severity
V-256581 PHTN-30-000112 SV-256581r887417_rule Medium
Description
The "sshd_config" file contains all the configuration items for sshd. Incorrect or malicious configuration of sshd can allow unauthorized access to the system, insecure communication, limited forensic trail, etc.
STIG Date
VMware vSphere 7.0 vCenter Appliance Photon OS Security Technical Implementation Guide 2023-02-21

Details

Check Text ( C-60256r887415_chk )
At the command line, run the following command:

# stat -c "%n permissions are %a and owned by %U:%G" /etc/ssh/sshd_config

Expected result:

/etc/ssh/sshd_config permissions are 600 and owned by root:root

If the output does not match the expected result, this is a finding.
Fix Text (F-60199r887416_fix)
At the command line, run the following commands:

# chmod 600 /etc/ssh/sshd_config
# chown root:root /etc/ssh/sshd_config