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V-223511

CAT II (Medium)

ACF2 TSO2741 GSO record values must be set to obliterate the logon password on 2741 devices.

Rule ID

SV-223511r958470_rule

STIG

IBM z/OS ACF2 Security Technical Implementation Guide

Version

V9R8

CCIs

CCI-000206

Discussion

To prevent the compromise of authentication information, such as passwords during the authentication process, the feedback from the operating system must not provide any information allowing an unauthorized user to compromise the authentication mechanism.

Check Content

From the ISPF Command Shell enter:
ACF <enter>
SET CONTROL(GSO)
LIST TSO2741

If the GSO TSO2741 record values conform to the following requirements, this is not a finding.

BS(16)
LENGTH(8)
M1(X)
M2(N)
M3(Z)
M4(M)
STRING()

Fix Text

Define a cross out string used to obliterate the logon password on 2741 devices.

Ensure the GSO TSO2741 record values conform to the following requirements.

BS(16)
LENGTH(8)
M1(X)
M2(N)
M3(Z)
M4(M)
STRING()

Example:
SET C(GSO)
INSERT TSO2741 BS(16) LENGTH(8) M1(X) M2(N) M3(Z) M4(M) STRING()

F ACF2,REFRESH(TSO2741)