z/OS TADz for ACF2 STIG

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Vuln ID:
V-16932

Rule ID:
SV-28469r1_rule

Group ID:
ZB000000

Version:
ZTADA000

CCI:
CCI-000213

Severity:
Medium

Description:

Tivoli Asset Discovery for z/OS (TADz) Install data sets provide the capability to use privileged functions and/or have access to sensitive data. Failure to properly restrict access to their 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:

a) Refer to the following report produced by the Data Set and Resource Data Collection: - SENSITVE.RPT(TADZRPT) Automated Analysis Refer to the following report produced by the Data Set and Resource Data Collection: - PDI(ZTAD0000) b) Verify that access to the TADz Install data sets are properly restricted. ___ The ACF2 data set rules for the data sets does not restrict UPDATE and/or ALTER access to systems programming personnel. ___ The ACF2 data set rules for the data sets does not specify that all (i.e., failures and successes) UPDATE and/or ALTER access will be logged. c) If all of the above are untrue, there is NO FINDING. d) If any of the above is true, this is a FINDING.

Fix:

The IAO will ensure that update and allocate access to program product data sets is limited to System Programmers only, and all update and allocate access is logged. Auditors should have read access. 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 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. Data sets to be protected will be: SYS2.TADZ SYS2.TADZ .V-.SHSIMOD1 SYS3.TADZ The following commands are provided as a sample for implementing dataset controls: $KEY(SYS2) TADZ.- UID(syspaudt) R(A) W(L) A(L) E(A) TADZ.V-.SHSIMOD1 UID(syspaudt) R(A) W(L) A(L) E(A) TADZ.- UID(audtaudt) R(A) E(A) $KEY(SYS3) TADZ.- UID(syspaudt) R(A) W(L) A(L) E(A) TADZ.- UID(audtaudt) R(A) E(A)

Vuln ID:
V-17067

Rule ID:
SV-28547r1_rule

Group ID:
ZB000001

Version:
ZTADA001

CCI:
CCI-001499

Severity:
Medium

Description:

Tivoli Asset Discovery for zOS (TADz) STC data sets provide the capability to use privileged functions and/or have access to sensitive data. Failure to properly restrict access to their 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:

a) Refer to the following report produced by the Data Set and Resource Data Collection: - SENSITVE.RPT(TADZSTC) Automated Analysis Refer to the following report produced by the Data Set and Resource Data Collection: - PDI(ZTAD0001) b) Verify that acess to the TADz STC and/or batch data sets are properly restricted. ___ The ACF2 data set rules for the data sets does not restrict UPDATE and/or ALTER access to systems programming personnel. ___ The ACF2 data set rules for the data sets does not restrict UPDATE and/or ALTER access to the product STC(s) and/or batch job(s). c) If all of the above are untrue, there is NO FINDING. d) If any of the above is true, this is a FINDING.

Refer to the following report produced by the Data Set and Resource Data Collection: - SENSITVE.RPT(TADZSTC) Automated Analysis Refer to the following report produced by the Data Set and Resource Data Collection: - PDI(ZTAD0001) For all (TADz) STC and/or batch data sets: If the UPDATE or greater access is restricted to systems programming personnel and the product STC(s) and/or batch job(s) this is not a finding. If any job scheduling products are in use and access is restricted to READ this is not a finding. If auditors have READ access this is not a finding.

Fix:

The IAO will ensure that update and alter access to Tivoli Asset Discovery for zOS (TADz) STC and/or batch data sets are limited to system programmers and TADz STC and/or batch jobs only. Read access may be granted to auditors at the IAOs discretion. 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 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. Data sets to be protected will be: SYS3.TADZ The following commands are provided as a sample for implementing dataset controls: $KEY(SYS3) TADZ.- UID(syspaudt) R(A) W(A) A(A) E(A) TADZ.- UID(audtaudt) R(A) E(A) TADZ.-.UM.- UID(batchid TADZINQ) R(A) W(A) A(A) E(A) TADZ.-.IQ.- UID(batchid TADZINQ) R(A) W(A) A(A) E(A) TADZ.-.UIQ.- UID(batchid TADZINQ) R(A) W(A) A(A) E(A) TADZ.- UID(stc id TADZMON) R(A) W(A) A(A) E(A)

Grant update and alter access to Tivoli Asset Discovery for z/OS (TADz) STC and/or batch data sets are limited to system programmers and TADz STC and/or batch jobs only. Grant read access to any scheduling products that are in use. Grant read access to auditors at the ISSO’s discretion. 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. Identify if any additional groups have update access for specific data sets, and assure that they are properly restricted to the ACP (Access Control Program) active on the system. Data sets to be protected will be: SYS3.TADZ The following commands are provided as a sample for implementing dataset controls: $KEY(SYS3) TADZ.- UID(syspaudt) R(A) W(A) A(A) E(A) TADZ.- UID(audtaudt) R(A) E(A) TADZ.-.UM.- UID(batchid TADZINQ) R(A) W(A) A(A) E(A) TADZ.-.IQ.- UID(batchid TADZINQ) R(A) W(A) A(A) E(A) TADZ.-.UIQ.- UID(batchid TADZINQ) R(A) W(A) A(A) E(A) TADZ.- UID(stc id TADZMON) R(A) W(A) A(A) E(A)

Vuln ID:
V-17452

Rule ID:
SV-28612r1_rule

Group ID:
ZB000030

Version:
ZTADA030

CCI:
CCI-000764

Severity:
Medium

Description:

Tivoli Asset Discovery for z/OS (TADz) requires a started task(s) 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 OfficerSystems ProgrammerECCD-1, ECCD-2

Tivoli Asset Discovery for z/OS (TADz) requires a started task(s) that will be restricted to certain resources, datasets and other system functions. By defining the started task as a userid to the system Access Control Program (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 OfficerSystems Programmer

Check:

a) Refer to the following report produced by the ACF2 Data Collection: - ACF2CMDS.RPT(LOGONIDS) b) Ensure the following fields are completed for each STC logonid for the product: STC NO-SMC c) Ensure the following fields are completed for each Batch logonid for the product: JOB NO-SMC d) If the logonids specified in (b) and/or (c) have all the required fields are completed, this is not a FINDING. e) If the logonids specified in (b) and/or (c) do not have all the above fields completed, this is a FINDING.

Refer to the following report produced by the ACF2 Data Collection: - ACF2CMDS.RPT(LOGONIDS) Ensure the following field is completed for each STC logonid for the product: STC Ensure the following field is completed for each Batch logonid for the product: JOB If the logonids specified in (b) and/or (c) have all the required field is completed, this is not a FINDING. If the logonids specified in (b) and/or (c) do not have the above field completed, this is a FINDING.

Fix:

The TADz 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. Example: SET LID CHANGE TADZMON STC NO-SMC

The TADz system programmer and the ISSO 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 TADZMON STC