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The audit system must be configured to audit account creation.


Overview

Finding ID Version Rule ID IA Controls Severity
V-22376 GEN002750 SV-45305r1_rule Low
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
SUSE Linux Enterprise Server v11 for System z 2016-12-20

Details

Check Text ( C-42653r1_chk )
Determine if execution of the useradd and groupadd executable are audited.
# auditctl -l | egrep '(useradd|groupadd)'
If either useradd or groupadd are not listed with a permissions filter of at least 'x', this is a finding.
Determine if /etc/passwd, /etc/shadow, /etc/group, and /etc/gshadow are audited for appending.
# auditctl -l | egrep '(/etc/passwd|/etc/shadow|/etc/group|/etc/gshadow)'
If any of these are not listed with a permissions filter of at least 'a', this is a finding.
Fix Text (F-38701r1_fix)
Configure execute auditing of the useradd and groupadd executables.
Add the following to audit.rules:
-w /usr/sbin/useradd -p x -k useradd
-w /usr/sbin/groupadd -p x -k groupadd
Configure append auditing of the passwd, shadow, group, and gshadow files. Add the following to audit.rules:
-w /etc/passwd -p a -k passwd
-w /etc/shadow -p a -k shadow
-w /etc/group -p a -k group
-w /etc/gshadow -p a -k gshadow
Restart the auditd service.
# rcauditd restart
OR
# service auditd restart