The GRPLIST SETROPTS value is not set to ACTIVE.

SV-265r2_rule The GRPLIST SETROPTS value is not set to ACTIVE.

Vulnerability discussion

(RACF0350: CAT II) GRPLIST specifies that RACF processing is to perform group list access checking for all system users. When you specify GRPLIST, a users authority to access a resource is not based only on the authority of the users current connect group; access is based on the authority of any group to which the user is connected.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 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 migration process or contingency plan activation.

Check content

a) Refer to the following report produced by the RACF Data Collection: - RACFCMDS.RPT(SETROPTS) Automated Analysis Refer to the following report produced by the RACF Data Collection: - PDI(RACF0350) b) If the GRPLIST is enabled then the message "LIST OF GROUPS ACCESS CHECKING IS ACTIVE." will be displayed, there is NO FINDING. c) If the message indicates that LIST OF GROUPS is NOT ACTIVE, this is a FINDING.

Fix text

The IAO will ensure that GRPLIST SETROPTS value is set to ACTIVE. Evaluate the impact associated with implementation of the control option. Develop a plan of action to implement the control option as specified in the example below: The RACF Command SETR LIST will show the status of RACF Controls including a status of GRPLIST. (1) List Of Groups Checking is activated with the command SETR GRPLIST.

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