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Check: RACF-US-000220

IBM z/OS RACF STIG: RACF-US-000220 (in versions v8 r8 through v7 r1)

Title

The IBM z/OS user account for the UNIX kernel (OMVS) must be properly defined to the security database. (Cat II impact)

Discussion

To assure accountability and prevent unauthenticated access, organizational users must be identified and authenticated to prevent potential misuse and compromise of the system.

Check Content

If OMVS userid is defined to the ESM as follows, this is not a finding. No access to interactive on-line facilities (e.g., TSO, CICS, etc.) Default group specified as OMVSGRP or STCOMVS UID(0) HOME directory specified as “/” Shell program specified as “/bin/sh”

Fix Text

Define OMVS userid to the ESM as specified below: No access to interactive on-line facilities (e.g., TSO, CICS, etc.) Default group specified as OMVSGRP or STCOMVS UID(0) HOME directory specified as “/” Shell program specified as “/bin/sh”

Additional Identifiers

Rule ID: SV-223859r604139_rule

Vulnerability ID: V-223859

Group Title: SRG-OS-000104-GPOS-00051

Expert Comments

Expert comments are only available to logged-in users.

CCIs

CCIs tied to check.

Number	Definition
CCI-000764	Uniquely identify and authenticate organizational users and associate that unique identification with processes acting on behalf of those users.

Controls

Controls tied to check. These are derived from the CCIs shown above.

Number	Title
IA-2	Identification and Authentication (organizational Users)