Detections
Analytics
OL09-00-002503 - OL 9 SSH public host key files must have mode 0644 or less permissive.
Information
If a public host key file is modified by an unauthorized user, the SSH service may be compromised.Solution
Change the mode of public host key files under "/etc/ssh" to "0644" with the following command:$ sudo chmod 0644 /etc/ssh/*key.pub
Restart the SSH daemon for the changes to take effect:
$ sudo systemctl restart sshd.service
See Also
https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_Oracle_Linux_9_V1R4_STIG.zip
Item Details
Audit Name: DISA Oracle Linux 9 STIG v1r4
Category: CONFIGURATION MANAGEMENT
References: 800-53|CM-6b., CAT|II, CCI|CCI-000366, Rule-ID|SV-271772r1092028_rule, STIG-ID|OL09-00-002503, Vuln-ID|V-271772
Plugin: Unix
Control ID: 358ced9e1d8716a1daee4ae7b9fcf14e19400c16006a8508fa060b23fbedf944