OL 8, for certificate-based authentication, must enforce authorized access to the corresponding private key.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-248532 | SRG-OS-000067-GPOS-00035 | OL08-00-010100 | SV-248532r958450_rule | 2026-02-13 | 2 |
Description
If an unauthorized user obtains access to a private key without a passcode, that user would have unauthorized access to any system where the associated public key has been installed.
ℹ️ Check
Verify the SSH private key files have a passcode.
For each private key stored on the system, use the following command:
$ sudo ssh-keygen -y -f /path/to/file
If the contents of the key are displayed, this is a finding.
✔️ Fix
Create a new private and public key pair that uses a passcode with the following command:
$ sudo ssh-keygen -n [passphrase]