Title

SLEM 5 must display the date and time of the last successful account logon upon an SSH logon. (Cat II impact)

Discussion

Providing users with feedback on when account accesses via SSH last occurred facilitates user recognition and reporting of unauthorized account use.

Check Content

Verify all remote connections via SSH to SLEM 5 display feedback on when account accesses last occurred with the following command: > sudo /usr/sbin/sshd -dd 2>&1 | awk '/filename/ {print $4}' | tr -d '\r' | tr '\n' ' ' | xargs sudo grep -iH '^\s*printlastlog' /etc/ssh/sshd_config:PrintLastLog yes If the "PrintLastLog" is not set to "yes", is commented out, missing, or conflicting results are returned, this is a finding.

Fix Text

Configure SLEM 5 to provide users with feedback on when account accesses last occurred. Add or modify the following lines in the "/etc/ssh/sshd_config" file: PrintLastLog yes Restart the SSH daemon in order for the changes to take effect: > sudo systemctl restart sshd.service

Additional Identifiers

Rule ID: SV-261339r996480_rule

Vulnerability ID: V-261339

Group Title: SRG-OS-000480-GPOS-00227

Expert Comments

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