z/OS BMC CONTROL-D for ACF2 STIG

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Vuln ID:
V-16932

Rule ID:
SV-31827r2_rule

Group ID:
ZB000000

Version:
ZCTDA000

CCI:
CCI-000213

Severity:
Medium

Description:

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.Information Assurance OfficerSystems ProgrammerDCSL-1, ECAR-1, ECAR-2, ECCD-1, ECCD-2

Check:

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 ACF2 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 ACF2 data set access authorizations restrict WRITE and/or greater access to systems programming personnel. ___ The ACF2 data set access authorizations specify that all (i.e., failures and successes) WRITE and/or greater access are logged.

Fix:

The IAO will ensure that WRITE and/or greater access to BMC CONTROL-D installation data sets are limited to System 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. He will identify if any additional groups have update and/or alter access for specific data sets, and once documented he will work with the IAO to see that 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: $KEY(SYS2) IOA.-.CTDI.- UID(<syspaudt>) R(A) W(L) A(L) E(A) IOA.-.CTDI.- UID(<audtaudt>) R(A) E(A) IOA.-.CTDI.- UID(<bmcuser>) R(A) E(A) IOA.-.CTDI.- UID(<secaaudt>) R(A) E(A) IOA.-.CTDI.- UID(<secdaudt>) R(A) E(A) IOA.-.CTDI.- UID(CONTROLD) R(A) E(A)

Vuln ID:
V-17067

Rule ID:
SV-32165r3_rule

Group ID:
ZB000001

Version:
ZCTDA001

CCI:
CCI-001499

Severity:
Medium

Description:

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.Information Assurance OfficerSystems ProgrammerDCSL-1, ECAR-1, ECAR-2, ECAR-3, ECCD-1, ECCD-2

Check:

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 ACF2 data set access authorizations restrict READ access to auditors and CONTROL-D end users. ___ The ACF2 data set access authorizations restrict WRITE and/or greater access to systems programming personnel. ___ The ACF2 data set access authorizations restrict WRITE and/or greater access to BMC STCs and/or batch users. ___ The ACF2 data set access authorizations restrict UPDATE access to centralized and decentralized security personnel.

Fix:

The IAO will ensure that WRITE and/or greater access to BMC CONTROL-D STC data sets are limited to System 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. He will identify if any additional groups have update and/or alter access for specific data sets, and once documented he will work with the IAO to see that 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: $KEY(SYS3) IOA.-.CTDO.- UID(syspaudt) R(A) W(A) A(A) E(A) IOA.-.CTDO.- UID(tstcaudt) R(A) W(A) A(A) E(A) IOA.-.CTDO.- UID(BMC STCs) R(A) W(A) A(A) E(A) IOA.-.CTDO.- UID(secaaudt) R(A) W(A) E(A) IOA.-.CTDO.- UID(secdaudt) R(A) W(A) E(A) IOA.-.CTDO.- UID(audtaudt) R(A) E(A) IOA.-.CTDO.- UID(bmcuser) R(A) E(A)

Vuln ID:
V-17452

Rule ID:
SV-32067r1_rule

Group ID:
ZB000030

Version:
ZCTDA030

CCI:
CCI-000764

Severity:
Medium

Description:

BMC CONTROL-D requires a started task that will 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.Information Assurance OfficerECCD-1, ECCD-2

Check:

Refer to the following report produced by the ACF2 Data Collection: - ACF2CMDS.RPT(ATTSTC) Insure that the logonids(s) for the BMC CONTROL-D started task(s) includes the following: STC MUSASS NO-SMC

Fix:

The BMC CONTROL-D system programmer 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. Example: SET LID CHANGE CONTROLD STC MUSASS NO-SMC

Vuln ID:
V-17947

Rule ID:
SV-32055r2_rule

Group ID:
ZB000020

Version:
ZCTDA020

CCI:
CCI-000035

Severity:
Medium

Description:

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 system programmers only in greater than read authority. Resources are also granted to certain non systems personnel with read only authority.Information Assurance OfficerSystems ProgrammerECCD-1, ECCD-2

Check:

Refer to the following report produced by the ACF2 Data Collection and Data Set and Resource Data Collection: - SENSITVE.RPT(ZCTD0020) - ACF2CMDS.RPT(RESOURCE) – Alternate report 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 ACF2 resources are defined with a default access of PREVENT. ___ The ACF2 resource access authorizations restrict access to the appropriate personnel. ___ The ACF2 resource logging requirements are specified.

Refer to the following report produced by the ACF2 Data Collection and Data Set and Resource Data Collection: - SENSITVE.RPT(ZCTD0020) - ACF2CMDS.RPT(RESOURCE) – Alternate report 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 ACF2 resources are defined with a default access of PREVENT. ___ The ACF2 resource access authorizations restrict access to the appropriate personnel. ___ The ACF2 resource logging requirements are specified.

Fix:

The IAO 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. (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: $key($$addnot) type(ioa) - uid(<appsaudt>) allow - uid(<operaudt>) allow - uid(<pcspaudt>) allow - uid(<syspaudt>) allow - uid(*) prevent

The IAO 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., $$SECxxx (xxx is unique to the product) are defined in the FACILITY resource class (Note: The resource class, resources, and/or resource prefixes identified below are examples of a possible installation. The actual resource class, resources, and/or resource prefixes are determined when the product is actually installed on a system through the product’s installation guide and can be site specific.) Use BMC CONTROL-D Resources and BMC INCONTROL Resources Descriptions tables in the zOS STIG Addendum. These tables list the resources, descriptions, and access and logging requirements. Ensure the guidelines for the resources and/or generic equivalent specified in the z/OS STIG Addendum are followed. The following commands are provided as a sample for implementing resource controls: $key($$addnot) type(ioa) - uid(<appsaudt>) allow - uid(<operaudt>) allow - uid(<pcspaudt>) allow - uid(<syspaudt>) allow - uid(*) prevent

Vuln ID:
V-17985

Rule ID:
SV-32015r1_rule

Group ID:
ZB000060

Version:
ZCTD0060

CCI:
CCI-000035

Severity:
Medium

Description:

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.Information Assurance OfficerSystems ProgrammerDCCS-1, DCCS-2, ECSD-1, ECSD-2

Check:

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:

The System 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.

Vuln ID:
V-18014

Rule ID:
SV-32211r1_rule

Group ID:
ZB000040

Version:
ZCTD0040

CCI:
CCI-000035

Severity:
Medium

Description:

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.Systems ProgrammerECCD-1, ECCD-2

Check:

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:

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

Vuln ID:
V-21592

Rule ID:
SV-32162r3_rule

Group ID:
ZB000002

Version:
ZCTDA002

CCI:
CCI-001499

Severity:
Medium

Description:

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.Information Assurance OfficerSystems ProgrammerDCSL-1, ECAR-1, ECAR-2, ECCD-1, ECCD-2

Check:

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 ACF2 data set access authorizations restrict READ access to auditors. ___ The ACF2 data set access authorizations restrict WRITE and/or greater access to systems programming personnel. ___ The ACF2 data set access authorizations restrict WRITE and/or greater access to the BMC STCs and/or batch users. ___ The ACF2 data set access authorizations restrict UPDATE access to centralized and decentralized security personnel, and/or CONTROL-D end users.

Fix:

The IAO must ensure that WRITE and/or greater access to BMC CONTROL-D User data sets are limited to System Programmers and BMC STCs and/or batch users. Additionally, UPDATE access can be given to centralized and decentralized security personnel, and BMC users. The IAO can approve ALLOC access in circumstances where it is determined to be necessary and appropriate for systems operations to execute in a normal secure manner. 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. He must identify if any additional groups have update and/or alter access for specific data sets, and once documented he will work with the IAO to see that 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: $KEY(SYS3) IOA.-.CTDR.- UID(syspaudt) R(A) W(A) A(A) E(A) IOA.-.CTDR.- UID(tstcaudt) R(A) W(A) A(A) E(A) IOA.-.CTDR.- UID(BMC STCs) R(A) W(A) A(A) E(A) IOA.-.CTDR.- UID(bmcuser) R(A) W(A) E(A) IOA.-.CTDR.- UID(secaaudt) R(A) W(A) E(A) IOA.-.CTDR.- UID(secdaudt) R(A) W(A) E(A) IOA.-.CTDR.- UID(audtaudt) R(A) E(A) $KEY(CTRUSR) - UID(syspaudt) R(A) W(A) A(A) E(A) - UID(tstcaudt) R(A) W(A) A(A) E(A) - UID(BMC STCs) R(A) W(A) A(A) E(A) - UID(bmcuser) R(A) W(A) E(A) - UID(secaaudt) R(A) W(A) E(A) - UID(secdaudt) R(A) W(A) E(A) - UID(audtaudt) R(A) E(A) $KEY(CTDSRV) - UID(syspaudt) R(A) W(A) A(A) E(A) - UID(tstcaudt) R(A) W(A) A(A) E(A) - UID(BMC STCs) R(A) W(A) A(A) E(A) - UID(bmcuser) R(A) W(A) E(A) - UID(secaaudt) R(A) W(A) E(A) - UID(secdaudt) R(A) W(A) E(A) - UID(audtaudt) R(A) E(A) $KEY(CTDJB1) - UID(syspaudt) R(A) W(A) A(A) E(A) - UID(tstcaudt) R(A) W(A) A(A) E(A) - UID(BMC STCs) R(A) W(A) A(A) E(A) - UID(bmcuser) R(A) W(A) E(A) - UID(secaaudt) R(A) W(A) E(A) - UID(secdaudt) R(A) W(A) E(A) - UID(audtaudt) R(A) E(A)