The TSOKEYS GSO record values specified are not in accordance with security requirements.

Associated with IA controls: DCCS-1, DCCS-2

SV-154r1_rule The TSOKEYS GSO record values specified are not in accordance with security requirements.

Vulnerability discussion

• (ACF0520: CAT II) The IAO will ensure that the TSOKEYS GSO value is set to KEYWORDS()....The system-wide options control the default settings for determining how the ACP will function when handling requests for access to the operating system environment, ACP, and customer data. The ACP provides the ability to set a number of these fields at the subsystem level. If no setting is found, the system-wide defaults will be used. The improper setting of any one of these fields, individually or in combination with another, can compromise the security of the processing environment. In addition, failure to establish standardized settings for the ACP control options introduces the possibility of exposure during a migration process or contingency plan activation.

Check content

a) Refer to the following report produced by the ACF2 Data Collection: - ACF2CMDS.RPT(ACFGSO) Automated Analysis Refer to the following report produced by the ACF2 Data Collection: - PDI(ACF0520) b) If the GSO TSOKEYS record values conform to the following requirements, there is NO FINDING. KEYWORDS() c) If there is any deviation from the above requirements in the GSO TSOKEYS record values, this is a FINDING.

Fix text

The IAO will ensure that the TSOKEYS GSO value is set to KEYWORDS(). Defines site supplied keywords permitted by ACF2 at TSO logon time. Ensure the GSO TSOKEYS record values conform to the following requirements. KEYWORDS() Example: SET C(GSO) INSERT TSOKEYS KEYWORDS() F ACF2,REFRESH(TSOKEYS)

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