Title

ACF2 TSO2741 GSO record values must be set to obliterate the logon password on 2741 devices. (Cat II impact)

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)

Additional Identifiers

Rule ID: SV-223511r958470_rule

Vulnerability ID: V-223511

Group Title: SRG-OS-000079-GPOS-00047

Expert Comments

CCIs tied to check.

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