Title

IEASYMUP resource will be protected in accordance with proper security requirements. (Cat II impact)

Discussion

Failure to properly control access to the IEASYMUP resource could result in unauthorized personnel modifying sensitive z/OS symbolic. This exposure may threaten the integrity and availability of the operating system environment.

Check Content

Refer to the following report produced by the ACF2 Data Collection and Data Set and Resource Data Collection: - SENSITVE.RPT(FACILITY) - ACF2CMDS.RPT(RESOURCE) – Alternate report Automated Analysis Refer to the following report produced by the Data Set and Resource Data Collection: - PDI(ACP00350) Review resource rules for TYPE(FAC). Verify that the accesses for IEASYMUP resources and/or generic equivalent are properly restricted. If the following guidance is true, this is not a finding. ___ The ACF2 resources are defined with a default access of PREVENT. ___ The ACF2 resource access authorizations state that SERVICE(UPDATE) and/or greater access to DASD administrators, Tape Library personnel, and system programming personnel. ___ The ACF2 resource logging requirements are specified.

Fix Text

The IAO will ensure that the System level symbolic resources are defined to the FACILITY resource class and protected. UPDATE access to the System level symbolic resources are limited to System Programmers, DASD Administrators, and/or Tape Library personnel. All access is logged. Ensure the guidelines for the resources and/or generic equivalent are followed. Limit access to the IEASYMUP resources to the above personnel with LOG and SERVICE(UPDATE) and/or greater access. The following commands are provided as a sample for implementing resource controls: $KEY(IEASYMUP) TYPE(FAC) - UID(<dasdaudt>) SERVICE(UPDATE) LOG - UID(<syspaudt>) SERVICE(UPDATE) LOG - UID(<tapeaudt>) SERVICE(UPDATE) LOG - UID(*) PREVENT SET R(FAC) COMPILE 'ACF2.FAC(IEASYMUP)' STORE F ACF2,REBUILD(FAC)

Additional Identifiers

Rule ID: SV-38875r4_rule

Vulnerability ID: V-29532

Group Title: ACP00350

Expert Comments

CCIs tied to check.

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