Default system accounts must be disabled or removed.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-810	GEN002640	SV-39834r2_rule		Medium

Description
Vendor accounts and software may contain backdoors allowing unauthorized access to the system. These backdoors are common knowledge and present a threat to system security if the account is not disabled.

STIG	Date
SOLARIS 10 X86 SECURITY TECHNICAL IMPLEMENTATION GUIDE	2017-03-03

Details

Check Text ( C-38711r3_chk )
Determine if default system accounts (such as, those for sys, bin, uucp, nuucp, daemon, smtp, gdm, lp, nobody) have been disabled. # cat /etc/shadow If an account's password field is "*", "*LK*", "NP", or is prefixed with a "!", the account is locked or disabled. If any default system account is not locked and its use is not justified and documented with the ISSO, this is a finding.

Fix Text (F-964r2_fix)
Lock the default system account(s). # passwd -l