All accounts on the system must have unique user or account names.

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All accounts on the system must have unique user or account names.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-761	GEN000300	SV-38442r2_rule	IAIA-1 IAIA-2	Medium

Description
A unique user name is the first part of the identification and authentication process. If user names are not unique, there can be no accountability on the system for auditing purposes. Multiple accounts sharing the same name could result in the Denial of Service to one or both of the accounts or unauthorized access to files or privileges.

STIG	Date
HP-UX 11.31 Security Technical Implementation Guide	2015-06-12

Details

Check Text ( C-36245r4_chk )
Verify the consistency of the assigned home directories in the authentication database. For Trusted Mode: # authck -av For SMSE: # pwck If any duplicate account names are found, this is a finding.

Fix Text (F-31502r2_fix)
Determine if the duplicate accounts have the same or different UIDs. # cat /etc/passwd \| cut -f 1,1 -d “:” \| sort \| uniq -d If the UIDs are different, the account name must be changed. If the UIDs are the same, disable/remove one of the two (or more) password file entries via the SAM/SMH interface.