The audit system must be configured to audit login, logout, and session initiation.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-818	GEN002800	SV-37944r1_rule	ECAR-1 ECAR-2 ECAR-3	Medium

Description
If the system is not configured to audit certain activities and write them to an audit log, it is more difficult to detect and track system compromises and damages incurred during a system compromise.

STIG	Date
Red Hat Enterprise Linux 5 Security Technical Implementation Guide	2015-06-12

Details

Check Text ( C-37225r1_chk )
The message types that are always recorded to /var/log/audit/audit.log include LOGIN,USER_LOGIN,USER_START,USER_END among others and do not need to be added to audit_rules. The log files /var/log/faillog and /var/log/lastlog must be protected from tampering of the login records. Procedure: #egrep "faillog\|lastlog" /etc/audit/audit.rules\|grep "-p (wa\|aw)" If both /var/log/faillog and /var/log/lastlog entries do not exist, this is a finding.

Check Text ( C-37225r1_chk )

The message types that are always recorded to /var/log/audit/audit.log include LOGIN,USER_LOGIN,USER_START,USER_END among others and do not need to be added to audit_rules.

The log files /var/log/faillog and /var/log/lastlog must be protected from tampering of the login records.

Procedure:

#egrep "faillog|lastlog" /etc/audit/audit.rules|grep "-p (wa|aw)"

If both /var/log/faillog and /var/log/lastlog entries do not exist, this is a finding.

Fix Text (F-32435r1_fix)
Ensure logins Procedure: Modify /etc/audit/audit.rules to contain: -w /var/log/faillog -p wa -w /var/log/lastlog -p wa