III - Administrative Classified
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
IBM z/OS must configure system waittimes to protect resource availability based on site priorities.
<VulnDiscussion>Once an attacker establishes access to a system, the attacker often attempts to create a persistent method of reestablishing ...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
IBM z/OS Emergency LOGONIDs must be properly defined.
<VulnDiscussion>Activity under unusual conditions can indicate hostile activity. For example, what is normal activity during business hours c...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
IBM z/OS DFSMS control data sets must reside on separate storage volumes.
<VulnDiscussion>Configuration settings are the set of parameters that can be changed in hardware, software, or firmware components of the sys...Rule Medium Severity -
SRG-OS-000480-GPOS-00232
<GroupDescription></GroupDescription>Group -
IBM z/OS Policy Agent must employ a deny-all, allow-by-exception firewall policy for allowing connections to other systems.
<VulnDiscussion>Failure to restrict network connectivity only to authorized systems permits inbound connections from malicious systems. It al...Rule Medium Severity -
SRG-OS-000368-GPOS-00154
<GroupDescription></GroupDescription>Group -
Unsupported IBM z/OS system software must not be installed and/or active on the system.
<VulnDiscussion>Control of program execution is a mechanism used to prevent execution of unauthorized programs. Some operating systems may pr...Rule High Severity -
SRG-OS-000368-GPOS-00154
<GroupDescription></GroupDescription>Group -
IBM z/OS must not allow non-existent or inaccessible LINKLIST libraries.
<VulnDiscussion>Control of program execution is a mechanism used to prevent execution of unauthorized programs. Some operating systems may pr...Rule Medium Severity -
SRG-OS-000368-GPOS-00154
<GroupDescription></GroupDescription>Group -
IBM z/OS must not allow non-existent or inaccessible Link Pack Area (LPA) libraries.
<VulnDiscussion>Control of program execution is a mechanism used to prevent execution of unauthorized programs. Some operating systems may pr...Rule Medium Severity -
SRG-OS-000095-GPOS-00049
<GroupDescription></GroupDescription>Group -
IBM z/OS must not have inaccessible APF libraries defined.
<VulnDiscussion>It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission ob...Rule Medium Severity -
SRG-OS-000095-GPOS-00049
<GroupDescription></GroupDescription>Group -
IBM z/OS LNKAUTH=APFTAB must be specified in the IEASYSxx member(s) in the currently active parmlib data set(s).
<VulnDiscussion>Failure to specify LINKAUTH=APFTAB allows libraries other than those designated as APF to contain authorized modules which co...Rule Medium Severity -
SRG-OS-000095-GPOS-00049
<GroupDescription></GroupDescription>Group -
Duplicated IBM z/OS sensitive utilities and/or programs must not exist in APF libraries.
<VulnDiscussion>Removal of unneeded or non-secure functions, ports, protocols, and services mitigate the risk of unauthorized connection of d...Rule Medium Severity
Node 2
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