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Memory and privileged program dumps must be protected in accordance with proper security requirements.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-182 | ACP00260 | SV-31711r5_rule | Medium |
| Description |
|---|
| Access to memory and privileged program dumps running Trusted Control Block (TCB) key 0-7 may hold passwords, encryption keys, or other sensitive data that must not be made available. Failure to properly control access to these facilities could result in unauthorized personnel modifying sensitive z/OS lists. This exposure may threaten the integrity and availability of the operating system environment, and compromise the confidentiality of customer data. |
| STIG | Date |
|---|---|
| z/OS RACF STIG | 2018-04-04 |
Details
| Check Text ( C-32023r6_chk ) |
|---|
| From a command input screen enter: RLIST FACILITY (IEAABD. IEAABD.DMPAUTH IEAABD.DMPAKEY) ALL Alternately, this can be viewed by following steps: Refer to the following report produced by the Data Set and Resource Data Collection: - SENSITVE.RPT(ACP00260) Automated Analysis Refer to the following report produced by the Data Set and Resource Data Collection: - PDI(ACP00260) Ensure that the Memory and privileged program dumps resources are properly protected as stated below. If all of the following guidance is true, this is not a finding. ___ Ensure that the IEAABD. resource and/or generic equivalent is defined and all access is logged. Access will not be given to any user. ___ Ensure that IEAABD.DMPAUTH. resource and/or generic equivalent is defined and READ access is limited to authorized users. ___ Ensure that IEAABD.DMPAUTH. resource and/or generic equivalent UPDATE or greater access is restricted to only systems personnel and all access is logged. ___ Ensure that IEAABD.DMPAKEY resources and/or generic equivalent is defined and all access is restricted to systems personnel and that all access is logged. ___ Ensure that resource rules for the above resources and/or generic equivalent specify UACC(NONE) and NOWARNING. |
| Fix Text (F-18600r10_fix) |
|---|
| Memory and privileged program dump resources are provided via resources in the FACILITY resource class. Ensure that the following are properly specified in the ACP. (Note: The resources and/or resource prefixes identified below are examples of a possible installation. The actual resources and/or resource prefixes are determined when the product is actually installed on a system through the product’s installation guide and can be site specific.) Below is listed the access requirements for memory and privileged program dump resources. Ensure the guidelines for the resource type, resources, and/or generic equivalent are followed. When protecting the facilities for dumps lists via the FACILITY resource class, ensure that the following items are in effect: IEAABD. IEAABD.DMPAUTH. IEAABD.DMPAKEY. The RACF resource rules for the resources specify UACC(NONE) and NOWARNING. Ensure that no access is given to IEAABD. resource. Example RDEF FACILITY IEAABD.** UACC(NONE) OWNER(owner group) AUDIT(ALL(READ)) IEAABD.DMPAUTH. READ access is limited to authorized users that have a valid job duties requirement for access. UPDATE access will be restricted to system programming personnel and access will be logged. Example: RDEF FACILITY IEAABD.DMPAUTH.** UACC(NONE) OWNER(owner group) AUDIT(ALL(UPDATE)) PERMIT IEAABD.DMPAUTH.** CLASS(FACILITY) ID(authusers) ACCESS(READ) PERMIT IEAABD.DMPAUTH.** CLASS(FACILITY) ID(syspaudt) ACCESS(UPDATE) IEAABD.DMPAKEY. access will be restricted to system programming personnel and access will be logged. Example: RDEF FACILITY IEAABD.DMPAKEY.** UACC(NONE) OWNER(owner group) AUDIT(ALL(READ)) PERMIT IEAABD.DMPAKEY.** CLASS(FACILITY) ID(syspaudt) ACCESS(READ) |