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 symbolics. This exposure may threaten the integrity and availability of the operating system environment.

Check Content

Refer to the following report produced by the Data Set and Resource Data Collection: - SENSITVE.RPT(FACILITY) Automated Analysis Refer to the following report produced by the Data Set and Resource Data Collection: - PDI(ACP00350) 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 RACF resources are defined with a default access of NONE. ___ The RACF resource access authorizations restrict UPDATE and/or greater access to DASD administrators, Tape Library personnel, and system programming personnel. ___ The RACF resource logging requirements are specified. ___ The RACF resource access authorizations are defined with UACC(NONE) and NOWARNING.

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 above personnel with UPDATE and/or greater access. The following commands are provided as a sample for implementing resource controls: rdef facility ieasymup.* uacc(none) owner(admin) - audit(all(read)) - data('protected per acp00350') rdef facility ieasymup.symbolname uacc(none) owner(admin) - audit(all(read)) - data('protected per acp00350') pe ieasymup.symbolname cl(facility) id(<dasdaudt) acc(u) pe ieasymup.symbolname cl(facility) id(<syspaudt) acc(u) pe ieasymup.symbolname cl(facility) id(<tapeaudt) acc(u)

Additional Identifiers

Rule ID: SV-38886r5_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.