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z/OS TDMF for RACF STIG

  • Version/Release: V6R4
  • Published: 2015-01-15
  • Released: 2015-01-20
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b
Transparent Data Migration Facility (TDMF) installation data sets will be not properly protected.
AC-3 - Medium - CCI-000213 - V-16932 - SV-24782r1_rule
RMF Control
AC-3
Severity
Medium
CCI
CCI-000213
Version
ZTDMR000
Vuln IDs
  • V-16932
Rule IDs
  • SV-24782r1_rule
Transparent Data Migration Facility (TDMF) 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
Checks: C-26449r1_chk

Refer to the following report produced by the Data Set and Resource Data Collection: - SENSITVE.RPT(TDMFRPT) Automated Analysis Refer to the following report produced by the Data Set and Resource Data Collection: - PDI(ZTDM0000) Verify that the accesses to the Transparent Data Migration Facility (TDMF) installation data sets are properly restricted. If the following guidance is true, this is not a finding. ___ The RACF data set rules for the data sets restricts READ access to all authorized users. ___ The RACF data set rules for the data sets restricts WRITE and/or greater access to systems programming personnel. ___ The RACF data set rules for the data sets specify that all (i.e., failures and successes) WRITE and/or greater access is logged. ___ The RACF data set rules for the data sets specify UACC(NONE) and NOWARNING.

Fix: F-34487r1_fix

The IAO will ensure that WRITE and/or greater access to Transparent Data Migration Facility (TDMF) installation data sets is limited to System Programmers only, and all WRITE and/or greater access is logged. 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 WRITE and/or greater access and if required that all WRITE and/or greater access is logged. He will identify if any additional groups have WRITE and/or greater 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.TDMF. SYS3.TDMF. The following commands are provided as a sample for implementing data set controls: ad 'SYS2.TDMF.**' uacc(none) owner(sys2) - audit(success(update) failures(read)) - data('Transparent Data Migration Facility (TDMF) Install DS') pe 'SYS2.TDMF.**' id(<syspaudt> <tstcaudt>) acc(a) pe 'SYS2.TDMF.**' id(<audtaudt>) acc(r) ad 'SYS3.TDMF.**' uacc(none) owner(sys3) - audit(success(update) failures(read)) - data('Transparent Data Migration Facility (TDMF) Install DS') pe 'SYS3.TDMF.**' id(<syspaudt> <tstcaudt>) acc(a) pe 'SYS3.TDMF.**' id(<audtaudt>) acc(r) setr generic(dataset) refresh

b
Transparent Data Migration Facility (TDMF) configuration/parameter/option values are not specified properly.
AC-4 - Medium - CCI-000035 - V-18014 - SV-24802r1_rule
RMF Control
AC-4
Severity
Medium
CCI
CCI-000035
Version
ZTDM0040
Vuln IDs
  • V-18014
Rule IDs
  • SV-24802r1_rule
Transparent Data Migration Facility (TDMF) configuration/parameter/option settings control the security and operational characteristics of product. If these setting 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 system and customer data.Systems ProgrammerECCD-1, ECCD-2
Checks: C-26454r1_chk

a) Have the the products system programmer display the configuration/parameters control statements used in the current runing product to define or enable security. b) Verify the following specifications: Parameter Options: VOLUME SECURITY = YES CHECK TARGET EMPTY = YES Session Options: Volume Security is not available. CHECKTarget|CHKTarget c) If (b) above is true, there is NO FINDING. d) If (b) above is untrue, this is a FINDING

Fix: F-22793r1_fix

The product systems programmer will verify that any configuration / parameters that are required to control the security of the product are properly configured and syntactically correct. See the required parameters below: Parameter Options: VOLUME SECURITY = YES CHECK TARGET EMPTY = YES Session Options: Volume Security is not available. CHECKTarget|CHKTarget NOTE: The IAO will ensure that volume resource protection is define to the ACP and access to volumes be given to the approiate personnel.