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z/OS BMC CONTROL-D for RACF Security Technical Implementation Guide

V7R1 · · · Released 30 Jan 2025 · 8 rules
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This Security Technical Implementation Guide is published as a tool to improve the security of Department of Defense (DOD) information systems. The requirements are derived from the National Institute of Standards and Technology (NIST) 800-53 and related documents. Comments or proposed revisions to this document should be sent via email to the following address: disa.stig_spt@mail.mil.
Digest of Updates vs. V6R8 · 23 Nov 2022 ✎ 4

Comparison against the immediately-prior release (V6R8). Rule matching uses the Group Vuln ID. Content-change detection compares the rule’s description, check, and fix text after stripping inline markup — cosmetic-only edits aren’t flagged.

Content changes 4

  • V-224388 Medium fix BMC CONTROL-D configuration/parameter values are not specified properly.
  • V-224389 Medium fix BMC CONTROL-D security exits are not installed or configured properly.
  • V-224392 Medium fix BMC CONTROL-D user data sets must be properly protected.
  • V-224393 Medium checkfix BMC CONTROL-D resources must be properly defined and protected.
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b
BMC CONTROL-D configuration/parameter values are not specified properly.
CM-7 - Medium - CCI-000381 - V-224388 - SV-224388r1041320_rule
RMF Control
CM-7
Severity
M
CCI
CCI-000381
Version
ZCTD0040
Vuln IDs
  • V-224388
  • V-18014
Rule IDs
  • SV-224388r1041320_rule
  • SV-32211
BMC CONTROL-D configuration/parameters control the security and operational characteristics of products. If these parameter values are improperly specified, security and operational controls may be weakened. This exposure may threaten the availability of the product applications, and compromise the confidentiality of customer data.
Checks: C-26065r1041318_chk

Refer to the following applicable reports produced by the z/OS Data Collection: - IOA.RPT(SECPARM) Automated Analysis Refer to the following report produced by the z/OS Data Collection: - PDI(ZCTD0040) The following keywords will have the specified values in the BMC CONTROL-D security parameter member: Keyword Value DEFMCHKD $$CTDEDM SECTOLD NO DFMD01 EXTEND DFMD04 EXTEND DFMD08 EXTEND DFMD19 EXTEND DFMD23 EXTEND DFMD24 EXTEND DFMD26 EXTEND DFMD27 EXTEND

Fix: F-26053r1041319_fix

The BMC CONTROL-D systems programmer will verify that any configuration/parameters that are required to control the security of the product are properly configured and syntactically correct. Set the standard values for the BMC CONTROL-D security parameters for the specific ACP environment along with additional IOA security parameters with standard values as documented below. Keyword Value DEFMCHKD $$CTDEDM SECTOLD NO DFMD01 EXTEND DFMD04 EXTEND DFMD08 EXTEND DFMD19 EXTEND DFMD23 EXTEND DFMD24 EXTEND DFMD26 EXTEND DFMD27 EXTEND

b
BMC CONTROL-D security exits are not installed or configured properly.
CM-3 - Medium - CCI-001744 - V-224389 - SV-224389r1041323_rule
RMF Control
CM-3
Severity
M
CCI
CCI-001744
Version
ZCTD0060
Vuln IDs
  • V-224389
  • V-17985
Rule IDs
  • SV-224389r1041323_rule
  • SV-32015
The BMC CONTROL-D security exits enable access authorization checking to BMC CONTROL-D commands, features, and online functionality. If these exit(s) is (are) not in place, activities by unauthorized users may result. BMC CONTROL-D security exit(s) interface with the ACP. If an unauthorized exit was introduced into the operating environment, system security could be weakened or bypassed. These exposures may result in the compromise of the operating system environment, ACP, and customer data.
Checks: C-26066r1041321_chk

Interview the systems programmer responsible for the BMC CONTROL-D. Determine if the site has modified the following security exit(s): CTDSE01 CTDSE04 CTDSE08 CTDSE19 CTDSE24 CTDSE28 Ensure the above security exit(s) has (have) not been modified. If the above security exit(s) has (have) been modified, ensure that the security exit(s) has (have) been approved by the site systems programmer and the approval is on file for examination.

Fix: F-26054r1041322_fix

The systems programmer responsible for the BMC CONTROL-D will review the BMC CONTROL-D operating environment. Ensure that the following security exit(s) is (are) installed properly. Determine if the site has modified the following security exit(s): CTDSE01 CTDSE04 CTDSE08 CTDSE19 CTDSE24 CTDSE28 Ensure that the security exit(s) has (have) not been modified. If the security exit(s) has (have) been modified, ensure the security exit(s) has (have) been checked as to not violate any security integrity within the system and approval documentation is on file.

b
BMC CONTROL-D installation data sets will be properly protected.
CM-5 - Medium - CCI-001499 - V-224390 - SV-224390r1041324_rule
RMF Control
CM-5
Severity
M
CCI
CCI-001499
Version
ZCTDR000
Vuln IDs
  • V-224390
  • V-16932
Rule IDs
  • SV-224390r1041324_rule
  • SV-31828
BMC CONTROL-D installation data sets have the ability to use privileged functions and/or have access to sensitive data. Failure to properly restrict access to these data sets could result in violating the integrity of the base product which could result in compromising the operating system or sensitive data.
Checks: C-26067r868343_chk

Refer to the following report produced by the Data Set and Resource Data Collection: - SENSITVE.RPT(CTDRPT) Automated Analysis Refer to the following report produced by the Data Set and Resource Data Collection: - PDI(ZCTD0000) Verify that the accesses to the BMC CONTROL-D installation data sets are properly restricted. If the following guidance is true, this is not a finding. ___ The RACF data set access authorizations restrict READ access to auditors, BMC users, security personnel (domain level and decentralized), and BMC STCs and/or batch users. ___ The RACF data set access authorizations restrict WRITE and/or greater access to systems programming personnel. ___ The RACF data set access authorizations specify that all (i.e., failures and successes) WRITE and/or greater access are logged. ___ The RACF data set access authorizations specify UACC(NONE) and NOWARNING.

Fix: F-26055r868344_fix

The ISSO will ensure that WRITE and/or greater access to BMC CONTROL-D installation data sets are limited to systems programmers only, and all WRITE and/or greater access is logged. READ access can be given to auditors, BMC users, security personnel (domain level and decentralized), and BMC STCs and/or batch users. All failures and successful WRITE and/or greater accesses are logged. The installing systems programmer will identify and document the product data sets and categorize them according to who will have update and alter access and if required that all update and allocate access is logged. The installing systems programmer will identify if any additional groups have update and/or alter access for specific data sets, and once documented will work with the ISSO to ensure they are properly restricted to the ACP (Access Control Program) active on the system. (Note: The data sets and/or data set prefixes identified below are examples of a possible installation. The actual data sets and/or prefixes are determined when the product is actually installed on a system through the product's installation guide and can be site specific.) Data sets to be protected will be: SYS2.IOA.*.CTDI. The following commands are provided as a sample for implementing data set controls: ad 'SYS2.IOA.*.CTDI.**' uacc(none) owner(sys2) - audit(success(update) failures(read)) - data('BMC CONTROL-D Install DS') pe 'SYS2.IOA.*.CTDI.**' id(<syspaudt>) acc(a) pe 'SYS2.IOA.*.CTDI.**' id(<audtaudt> <secaaudt> <secdaudt>) acc(r) pe 'SYS2.IOA.*.CTDI.**' id(<bmcuser> CONTROLD) acc(r) setr generic(dataset) refresh

b
BMC CONTROL-D STC data sets must be properly protected.
CM-5 - Medium - CCI-001499 - V-224391 - SV-224391r958616_rule
RMF Control
CM-5
Severity
M
CCI
CCI-001499
Version
ZCTDR001
Vuln IDs
  • V-224391
  • V-17067
Rule IDs
  • SV-224391r958616_rule
  • SV-32166
BMC CONTROL-D STC data sets have the ability to use privileged functions and/or have access to sensitive data. Failure to properly restrict access to these data sets could result in violating the integrity of the base product which could result in compromising the operating system or sensitive data.
Checks: C-26068r868346_chk

Refer to the following report produced by the Data Set and Resource Data Collection: - SENSITVE.RPT(CTDSTC) Automated Analysis Refer to the following report produced by the Data Set and Resource Data Collection: - PDI(ZCTD0001) Verify that the accesses to the BMC CONTROL-D STC data sets are properly restricted. If the following guidance is true, this is not a finding. ___ The RACF data set access authorizations restrict READ access to auditors and CONTROL-D end users. ___ The RACF data set access authorizations restrict WRITE and/or greater access to systems programming personnel. ___ The RACF data set access authorizations restrict WRITE and/or greater access to BMC STCs and/or batch users. ___ The RACF data set access authorizations restrict UPDATE access to centralized and decentralized security personnel. ___ The RACF data set access authorizations specify UACC(NONE) and NOWARNING.

Fix: F-26056r868347_fix

The ISSO will ensure that WRITE and/or greater access to BMC CONTROL-D STC data sets are limited to systems programmers and BMC STCs and/or batch users. UPDATE access can be given to centralized and decentralized security personnel. READ access can be given to auditors and BMC users. The installing systems programmer will identify and document the product data sets and categorize them according to who will have update and alter access and if required that all update and allocate access is logged. The installing systems programmer will identify if any additional groups have update and/or alter access for specific data sets, and once documented will work with the ISSO to ensure they are properly restricted to the ACP (Access Control Program) active on the system. (Note: The data sets and/or data set prefixes identified below are examples of a possible installation. The actual data sets and/or prefixes are determined when the product is actually installed on a system through the product's installation guide and can be site specific.) Data sets to be protected will be: SYS3.IOA.*.CTDO. The following commands are provided as a sample for implementing data set controls: ad 'SYS3.IOA.*.CTDO.**' uacc(none) owner(sys3) - audit(failures(read)) - data('BMC CONTROL-D STC DS') pe 'SYS3.IOA.*.CTDO.**' id(syspaudt tstcaudt) acc(a) pe 'SYS3.IOA.*.CTDO.**' id(BMC STCs) acc(a) pe 'SYS3.IOA.*.CTDO.**' id(secaaudt secdaudt) acc(u) pe 'SYS3.IOA.*.CTDO.**' id(bmcuser audtaudt) acc(r) setr generic(dataset) refresh

b
BMC CONTROL-D user data sets must be properly protected.
CM-5 - Medium - CCI-001499 - V-224392 - SV-224392r1041326_rule
RMF Control
CM-5
Severity
M
CCI
CCI-001499
Version
ZCTDR002
Vuln IDs
  • V-224392
  • V-21592
Rule IDs
  • SV-224392r1041326_rule
  • SV-32163
BMC CONTROL-D User data sets, CDAM and Repository, have the ability to use privileged functions and/or have access to sensitive data. Failure to properly restrict access to these data sets could result in violating the integrity of the base product which could result in compromising the operating system or sensitive data.
Checks: C-26069r518677_chk

Refer to the following report produced by the Data Set and Resource Data Collection: - SENSITVE.RPT(CTMUSER) Automated Analysis Refer to the following report produced by the Data Set and Resource Data Collection: - PDI(ZCTD0002) Verify that the accesses to the BMC CONTROL-D User data sets are properly restricted. If the following guidance is true, this is not a finding. ___ The RACF data set access authorizations restrict READ access to auditors. ___ The RACF data set access authorizations restrict WRITE and/or greater access to systems programming personnel. ___ The RACF data set access authorizations restrict WRITE and/or greater access to the BMC STCs and/or batch users. ___ The RACF data set access authorizations restrict UPDATE access to centralized and decentralized security personnel, and/or CONTROL-D end users. ___ The RACF data set access authorizations specify UACC(NONE) and NOWARNING.

Fix: F-26057r1041325_fix

The ISSO must ensure that WRITE and/or greater access to BMC CONTROL-D User data sets are limited to systems programmers and BMC STCs and/or batch users. Additionally, UPDATE access can be given to centralized and decentralized security personnel, and BMC users. READ access can be given to auditors. The installing systems programmer will identify and document the product data sets and categorize them according to who will have update and alter access and if required that all update and allocate access is logged. The installing systems programmer will identify if any additional groups have update and/or alter access for specific data sets, and once documented will work with the ISSO to ensure they are properly restricted to the ACP (Access Control Program) active on the system. (Note: The data sets and/or data set prefixes identified below are examples of a possible installation. The actual data sets and/or prefixes are determined when the product is actually installed on a system through the product's installation guide and can be site specific.) Data sets to be protected will be: SYS3.IOA.*.CTDR. CTRUSR. CTDSRV. CTDJB1. The following commands are provided as a sample for implementing data set controls: ad 'SYS3.IOA.*.CTDR.**' uacc(none) owner(sys3) - audit(failures(read)) - data('BMC CONTROL-D Repository DS') pe 'SYS3.IOA.*.CTDR.**' id(syspaudt tstcaudt BMC STCs) acc(a) pe 'SYS3.IOA.*.CTDR.**' id(bmcuser) acc(u) pe 'SYS3.IOA.*.CTDR.**' id(secaaudt secdaudt) acc(u) pe 'SYS3.IOA.*.CTDR.**' id(audtaudt) acc(r) ad 'CTRUSR.**' uacc(none) owner(CTRUSR) - audit(failures(read)) - data('BMC CONTROL-D CDAM DS') pe 'CTRUSR.**' id(syspaudt tstcaudt BMC STCs) acc(a) pe 'CTRUSR.**' id(bmcuser) acc(u) pe 'CTRUSR.**' id(secaaudt secdaudt) acc(u) pe 'CTRUSR.**' id(audtaudt) acc(r) ad 'CTDSRV.**' uacc(none) owner(CTDSRV) - audit(failures(read)) - data('BMC CONTROL-D CDAM DS') pe 'CTDSRV.**' id(syspaudt tstcaudt BMC STCs) acc(a) pe 'CTDSRV.**' id(bmcuser) acc(u) pe 'CTDSRV.**' id(secaaudt secdaudt) acc(u) pe 'CTDSRV.**' id(audtaudt) acc(r) ad 'CTDJB1.**' uacc(none) owner(CTDJB1) - audit(failures(read)) - data('BMC CONTROL-D CDAM DS') pe 'CTDJB1.**' id(syspaudt tstcaudt BMC STCs) acc(a) pe 'CTDJB1.**' id(bmcuser) acc(u) pe 'CTDJB1.**' id(secaaudt secdaudt) acc(u) pe 'CTDJB1.**' id(audtaudt) acc(r) setr generic(dataset) refresh

b
BMC CONTROL-D resources must be properly defined and protected.
AC-3 - Medium - CCI-000213 - V-224393 - SV-224393r1041329_rule
RMF Control
AC-3
Severity
M
CCI
CCI-000213
Version
ZCTDR020
Vuln IDs
  • V-224393
  • V-17947
Rule IDs
  • SV-224393r1041329_rule
  • SV-32056
BMC CONTROL-D can run with sensitive system privileges, and potentially can circumvent system controls. Failure to properly control access to product resources could result in the compromise of the operating system environment, and compromise the confidentiality of customer data. Many utilities assign resource controls that can be granted to systems programmers only in greater than read authority. Resources are also granted to certain non systems personnel with read only authority.
Checks: C-26070r1041327_chk

Refer to the following report produced by the Data Set and Resource Data Collection: - SENSITVE.RPT(ZCTD0020) Automated Analysis Refer to the following report produced by the Data Set and Resource Data Collection: - PDI(ZCTD0020) Verify that the accesses to resources and/or generic equivalent are properly restricted according to the requirements specified in BMC CONTROL-D Resources table in the z/OS STIG Addendum. If the following guidance is true, this is not a finding. Note: To determine what resource class is used review the IOACLASS setting in SECPARM. The "Trigger" resources, i.e., $$SECxxx (xxx is unique to the product) are defined in the FACILITY resource class ___ The RACF resources are defined with a default access of NONE. ___ The RACF resource access authorizations restrict access to the appropriate personnel. ___ The RACF resource logging requirements are specified. ___ The RACF resource access authorizations are defined with UACC(NONE) and NOWARNING.

Fix: F-26058r1041328_fix

The ISSO will work with the systems programmer to verify that the following are properly specified in the ACP. Note: To determine what resource class is used review the IOACLASS setting in SECPARM. The "Trigger" resources, i.e., $$SECxxx (xxx is unique to the product) are defined in the FACILITY resource class (Note: The resource class, resources, and/or resource prefixes identified below are examples of a possible installation. The actual resource class, resources, and/or resource prefixes are determined when the product is actually installed on a system through the product's installation guide and can be site specific.) Use BMC CONTROL-D Resources and BMC INCONTROL Resources Descriptions tables in the zOS STIG Addendum. These tables list the resources, descriptions, and access and logging requirements. Ensure the guidelines for the resources and/or generic equivalent specified in the z/OS STIG Addendum are followed. The following commands are provided as a sample for implementing resource controls: rdef $ioa $$addnot.** uacc(none) owner(admin) - audit(failure(read)) - data('protected per zctdr020') pe $$addnot.** cl($ioa) id(<appsaudt>) acc(alter) pe $$addnot.** cl($ioa) id(<operaudt>) acc(alter) pe $$addnot.** cl($ioa) id(<pcspaudt>) acc(alter) pe $$addnot.** cl($ioa) id(<syspaudt>) acc(alter)

b
BMC CONTROL-D Started Task name is not properly identified / defined to the system ACP.
IA-2 - Medium - CCI-000764 - V-224394 - SV-224394r958482_rule
RMF Control
IA-2
Severity
M
CCI
CCI-000764
Version
ZCTDR030
Vuln IDs
  • V-224394
  • V-17452
Rule IDs
  • SV-224394r958482_rule
  • SV-32068
Products that require a started task will require that the started task be restricted to certain resources, datasets and other system functions. By defining the started task as a userid to the system ACP, It allows the ACP to control the access and authorized users that require these capabilities. Failure to properly control these capabilities, could compromise of the operating system environment, ACP, and customer data.
Checks: C-26071r518683_chk

Refer to the following report produced by the RACF Data Collection: - RACFCMDS.RPT(LISTUSER) The BMC CONTROL-D started task(s) and/or batch job userid(s) is defined and is assigned the RACF PROTECTED attribute.

Fix: F-26059r518684_fix

The BMC system programer and the IAO will ensure that a product's Started Task(s) is properly Identified / defined to the System ACP. If the product requires a Started Task, verify that it is properly defined to the System ACP with the proper attributes. Most installation manuals will indicate how the Started Task is identified and any additional attributes that must be specified. A sample is provided here: au CONTROLD name('stc, BMC Controld') owner(stc) dfltgrp(stc) nopass

b
BMC CONTROL-D Started task(s) must be properly defined to the STARTED resource class for RACF.
IA-2 - Medium - CCI-000764 - V-224395 - SV-224395r958482_rule
RMF Control
IA-2
Severity
M
CCI
CCI-000764
Version
ZCTDR032
Vuln IDs
  • V-224395
  • V-17454
Rule IDs
  • SV-224395r958482_rule
  • SV-32155
Access to product resources should be restricted to only those individuals responsible for the application connectivity and who have a requirement to access these resources. Improper control of product resources could potentially compromise the operating system, ACP, and customer data.
Checks: C-26072r518686_chk

Refer to the following report produced by the RACF Data Collection: - DSMON.RPT(RACSPT) Automated Analysis Refer to the following report produced by the RACF Data Collection: - PDI(ZCTD0032) Verify that the BMC CONTROL-D started task(s) is (are) defined to the STARTED resource class profile and/or ICHRIN03 table entry.

Fix: F-26060r518687_fix

The BMC CONTROL-D system programmer and the IAO will ensure that a product's started task(s) is (are) properly identified and/or defined to the System ACP. A unique userid must be assigned for the BMC CONTROL-D started task(s) thru a corresponding STARTED class entry. The following sample set of commands is shown here as a guideline: rdef started CONTROLD.** uacc(none) owner(admin) audit(all(read)) stdata(user(CONTROLD) group(stc)) setr racl(started) ref