III - Administrative Public
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
CA-ACF2 must limit Write or greater access to SYS1.NUCLEUS to system programmers only.
<VulnDiscussion>To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...Rule High Severity -
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
CA-ACF2 must limit Write or greater access to SYS1.LPALIB to system programmers only.
<VulnDiscussion>To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...Rule High Severity -
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
CA-ACF2 must limit Write or greater access to SYS1.IMAGELIB to system programmers.
<VulnDiscussion>To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...Rule High Severity -
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
CA-ACF2 must limit Write or greater access to Libraries containing EXIT modules to system programmers only.
<VulnDiscussion>Access control policies include: identity-based policies, role-based policies, and attribute-based policies. Access enforceme...Rule High Severity -
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
CA-ACF2 must limit Write and Allocate access to all APF-authorized libraries to system programmers only.
<VulnDiscussion>To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...Rule High Severity -
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
CA-ACF2 must limit Write or greater access to all LPA libraries to system programmers only.
<VulnDiscussion>To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...Rule High Severity -
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
CA-ACF2 must limit Write and Allocate access to LINKLIST libraries to system programmers only.
<VulnDiscussion>To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...Rule Medium Severity -
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
CA-ACF2 must limit Write and allocate access to all system-level product installation libraries to system programmers only.
<VulnDiscussion>To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...Rule Medium Severity -
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
CA-ACF2 must limit Write or greater access to SYS1.SVCLIB to system programmers only.
<VulnDiscussion>To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...Rule High Severity -
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
CA-ACF2 Access to SYS1.LINKLIB must be properly protected.
<VulnDiscussion>If the operating system were to allow any user to make changes to software libraries, then those changes might be implemented...Rule Medium Severity -
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
CA-ACF2 must limit access to data sets used to back up and/or dump SMF collection files to appropriate users and/or batch jobs that perform SMF dump processing.
<VulnDiscussion>To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...Rule Medium Severity -
SRG-OS-000324-GPOS-00125
<GroupDescription></GroupDescription>Group -
CA-ACF2 LOGONIDs must not be defined to SYS1.UADS for non-emergency use.
<VulnDiscussion>Preventing non-privileged users from executing privileged functions mitigates the risk that unauthorized individuals or proce...Rule High Severity -
SRG-OS-000324-GPOS-00125
<GroupDescription></GroupDescription>Group -
IBM z/OS IEASYMUP resource must be protected in accordance with proper security requirements.
<VulnDiscussion>Privileged functions include, for example, establishing accounts, performing system integrity checks, or administering crypto...Rule Medium Severity -
SRG-OS-000324-GPOS-00125
<GroupDescription></GroupDescription>Group -
CA-ACF2 must limit Update and Allocate access to system backup files to system programmers and/or batch jobs that perform DASD backups.
<VulnDiscussion>Preventing non-privileged users from executing privileged functions mitigates the risk that unauthorized individuals or proce...Rule Medium Severity -
SRG-OS-000324-GPOS-00125
<GroupDescription></GroupDescription>Group -
ACF2 PPGM GSO record value must specify protected programs that are only executed by privileged users.
<VulnDiscussion>Preventing non-privileged users from executing privileged functions mitigates the risk that unauthorized individuals or proce...Rule Medium Severity -
SRG-OS-000329-GPOS-00128
<GroupDescription></GroupDescription>Group -
The CA-ACF2 PSWD GSO record values for MAXTRY and PASSLMT must be properly set.
<VulnDiscussion>By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise...Rule Medium Severity -
SRG-OS-000063-GPOS-00032
<GroupDescription></GroupDescription>Group -
IBM z/OS SYS1.PARMLIB must be properly protected.
<VulnDiscussion>To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...Rule High Severity -
SRG-OS-000364-GPOS-00151
<GroupDescription></GroupDescription>Group -
CA-ACF2 must be installed, functional, and properly configured.
<VulnDiscussion>Failure to provide logical access restrictions associated with changes to system configuration may have significant effects o...Rule High Severity -
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
CA-ACF2 must limit Write and allocate access to the JES2 System data sets (e.g., Spool, Checkpoint, and Initialization parameters) to system programmers only.
<VulnDiscussion>To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...Rule Medium Severity -
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
CA-ACF2 must limit Write or greater access to libraries that contain PPT modules to system programmers only.
<VulnDiscussion>If the operating system were to allow any user to make changes to software libraries, then those changes might be implemented...Rule Low Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The EXITS GSO record value must specify the module names of site written ACF2 exit routines.
<VulnDiscussion>Configuring the operating system to implement organization-wide security implementation guides and security checklists ensure...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The CA-ACF2 LOGONID with the REFRESH attribute must have procedures for utilization.
<VulnDiscussion>Configuring the operating system to implement organization-wide security implementation guides and security checklists ensure...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
IBM z/OS TSO GSO record values must be set to the values specified.
<VulnDiscussion>Configuring the operating system to implement organization-wide security implementation guides and security checklists ensure...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
IBM z/OS procedures must restrict ACF2 LOGONIDs with the READALL attribute to auditors and/or authorized users.
<VulnDiscussion>The use of security policy filters provides protection for the confidentiality of data by restricting the flow of data. A cru...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
IBM z/OS must have the RULEVLD and RSRCVLD attributes specified for LOGONIDs with the SECURITY attribute.
<VulnDiscussion>The use of security policy filters provides protection for the confidentiality of data by restricting the flow of data. A cru...Rule Medium Severity
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