{"stig":{"title":"z/OS TDMF for RACF Security Technical Implementation Guide","version":"7","release":"2"},"checks":[{"vulnId":"V-224541","ruleId":"SV-224541r1145284_rule","severity":"medium","ruleTitle":"Transparent Data Migration Facility (TDMF) configuration/parameter/option values are not specified properly.","description":"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.","checkContent":"Have the products systems programmer display the configuration/parameters control statements used in the current running product to define or enable security.\n\nIf the following keywords specify the values in the TDMF security parameter member, this is not a finding.\n\nParameter Options:\nVOLUME SECURITY = YES\nCHECK TARGET EMPTY = YES\n\nSession Options:\nVolume Security is not available.\nCHECKTarget|CHKTarget","fixText":"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.\n \nSee the required parameters below:\n\nParameter Options:\nVOLUME SECURITY = YES\nCHECK TARGET EMPTY = YES\n\nSession Options:\nVolume Security is not available.\nCHECKTarget|CHKTarget\n\nNote: The ISSO will ensure that volume resource protection is defined to the ACP and access to volumes be given to the appropriate personnel.","ccis":["CCI-000381"]},{"vulnId":"V-224542","ruleId":"SV-224542r1145286_rule","severity":"medium","ruleTitle":"Transparent Data Migration Facility (TDMF) installation data sets will be not properly protected.","description":"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.","checkContent":"Refer to the following report produced by the Data Set and Resource Data Collection:\n\n- SENSITVE.RPT(TDMFRPT).\n\nAutomated Analysis\nRefer to the following report produced by the Data Set and Resource Data Collection:\n\n- PDI(ZTDM0000).\n\nVerify 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.\n \nThe RACF data set rules for the data sets restricts READ access to all authorized users.\n\nThe RACF data set rules for the data sets restricts WRITE and/or greater access to systems programming personnel.\n\nThe RACF data set rules for the data sets specify that all (i.e., failures and successes) WRITE and/or greater access is logged.\n\nThe RACF data set rules for the data sets specify UACC(NONE) and NOWARNING.","fixText":"The ISSO will ensure that WRITE and/or greater access to Transparent Data Migration Facility (TDMF) installation data sets is limited to systems programmers only, and all WRITE and/or greater access is logged. READ access can be given to auditors.\n\nThe 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. The installing systems programmer will identify if any additional groups have WRITE and/or greater access for specific data sets, and once documented will work with the ISSO to see that they are properly restricted to the ACP (Access Control Program) active on the system.\n\nData sets to be protected will be: \nSYS2.TDMF.\n SYS3.TDMF.\n\nThe following commands are provided as a sample for implementing data set controls: \n\nad 'SYS2.TDMF.**' uacc(none) owner(sys2) -\n\taudit(success(update) failures(read)) -\n\tdata('Transparent Data Migration Facility (TDMF) Install DS')\npe 'SYS2.TDMF.**' id(<syspaudt> <tstcaudt>) acc(a)\npe 'SYS2.TDMF.**' id(<audtaudt>) acc(r)\n\nad 'SYS3.TDMF.**' uacc(none) owner(sys3) -\n\taudit(success(update) failures(read)) -\n\tdata('Transparent Data Migration Facility (TDMF) Install DS')\npe 'SYS3.TDMF.**' id(<syspaudt> <tstcaudt>) acc(a)\npe 'SYS3.TDMF.**' id(<audtaudt>) acc(r)\n\nsetr generic(dataset) refresh","ccis":["CCI-001499","CCI-002234"]}]}