The OL 8 lastlog command must be group-owned by root.

STIG ID: OL08-00-020264  |  SRG: SRG-OS-000206-GPOS-00084 |  Severity: medium |  CCI: CCI-001314 |  Vulnerability Id: V-248707 | 

Vulnerability Discussion

Unauthorized disclosure of the contents of the /var/log/lastlog file can reveal system data to attackers, thus compromising its confidentiality.

Check

Verify the "lastlog" command is group-owned by root with the following command:

$ sudo ls -l /usr/bin/lastlog

-rwxr-x---. 1 root root 21200 Nov 4 22:51 /usr/bin/lastlog

If the "lastlog" command is not group-owned by root, this is a finding.

Fix

Configure the "lastlog" command for OL 8 to be group-owned by root with the following command:

$ sudo chgrp root /usr/bin/lastlog
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