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IBM z/OS ACF2 Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-OS-000368-GPOS-00154

    <GroupDescription></GroupDescription>
    Group
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  • The IBM z/OS TFTP Server program must be properly protected.

    &lt;VulnDiscussion&gt;Control of program execution is a mechanism used to prevent execution of unauthorized programs. Some operating systems may pr...
    Rule Medium Severity
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  • SRG-OS-000104-GPOS-00051

    <GroupDescription></GroupDescription>
    Group
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  • IBM z/OS FTP Server daemon must be defined with proper security parameters.

    &lt;VulnDiscussion&gt;To assure accountability and prevent unauthenticated access, organizational users must be identified and authenticated to pre...
    Rule Medium Severity
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  • SRG-OS-000163-GPOS-00072

    <GroupDescription></GroupDescription>
    Group
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  • IBM z/OS startup parameters for the FTP Server must be defined in the SYSTCPD and SYSFTPD DD statements for configuration files.

    &lt;VulnDiscussion&gt;Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take c...
    Rule Medium Severity
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  • SRG-OS-000163-GPOS-00072

    <GroupDescription></GroupDescription>
    Group
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  • IBM z/OS FTP.DATA configuration for the FTP Server must have INACTIVE statement properly set.

    &lt;VulnDiscussion&gt;Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take c...
    Rule Medium Severity
    Show

  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
    Group
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  • IBM z/OS JESTRACE and/or SYSLOG resources must be protected in accordance with security requirements.

    &lt;VulnDiscussion&gt;To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...
    Rule Medium Severity
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  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
    Group
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  • IBM z/OS JESSPOOL resources must be protected in accordance with security requirements.

    &lt;VulnDiscussion&gt;To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...
    Rule Medium Severity
    Show

  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
    Group
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  • IBM z/OS JESNEWS resources must be protected in accordance with security requirements.

    &lt;VulnDiscussion&gt;To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...
    Rule Medium Severity
    Show

  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
    Group
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  • IBM z/OS JES2 system commands must be protected in accordance with security requirements.

    &lt;VulnDiscussion&gt;To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...
    Rule Medium Severity
    Show

  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
    Group
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  • IBM z/OS JES2 spool resources must be controlled in accordance with security requirements.

    &lt;VulnDiscussion&gt;To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...
    Rule Medium Severity
    Show

  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
    Group
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  • IBM z/OS JES2 output devices must be properly controlled for Classified Systems.

    &lt;VulnDiscussion&gt;To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...
    Rule Medium Severity
    Show

  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
    Group
    Show

  • IBM z/OS JES2 output devices must be controlled in accordance with the proper security requirements.

    &lt;VulnDiscussion&gt;To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...
    Rule Medium Severity
    Show

  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
    Group
    Show

  • IBM z/OS JES2 input sources must be controlled in accordance with the proper security requirements.

    &lt;VulnDiscussion&gt;To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...
    Rule Medium Severity
    Show

  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
    Group
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  • IBM z/OS Surrogate users must be controlled in accordance with proper security requirements.

    &lt;VulnDiscussion&gt;To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...
    Rule Medium Severity
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  • SRG-OS-000032-GPOS-00013

    <GroupDescription></GroupDescription>
    Group
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  • The IBM z/OS BPX.SMF resource must be properly configured.

    &lt;VulnDiscussion&gt;Remote access services, such as those providing remote access to network devices and information systems, which lack automate...
    Rule Medium Severity
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  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
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  • IBM z/OS Inapplicable PPT entries must be invalidated.

    &lt;VulnDiscussion&gt;It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission ob...
    Rule Medium Severity
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  • SRG-OS-000277-GPOS-00107

    <GroupDescription></GroupDescription>
    Group
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  • IBM z/OS system administrator must develop a process notify appropriate personnel when accounts are removed.

    &lt;VulnDiscussion&gt;When operating system accounts are disabled, user accessibility is affected. Accounts are utilized for identifying individual...
    Rule Medium Severity
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  • SRG-OS-000275-GPOS-00105

    <GroupDescription></GroupDescription>
    Group
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  • IBM z/OS system administrator must develop a process notify appropriate personnel when accounts are modified.

    &lt;VulnDiscussion&gt;Once an attacker establishes access to a system, the attacker often attempts to create a persistent method of reestablishing ...
    Rule Medium Severity
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  • SRG-OS-000276-GPOS-00106

    <GroupDescription></GroupDescription>
    Group
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  • IBM z/OS system administrator must develop a process notify appropriate personnel when accounts are deleted.

    &lt;VulnDiscussion&gt;When operating system accounts are disabled, user accessibility is affected. Accounts are utilized for identifying individual...
    Rule Medium Severity
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  • SRG-OS-000274-GPOS-00104

    <GroupDescription></GroupDescription>
    Group
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  • IBM z/OS system administrator must develop a process notify appropriate personnel when accounts are created.

    &lt;VulnDiscussion&gt;Once an attacker establishes access to a system, the attacker often attempts to create a persistent method of reestablishing ...
    Rule Medium Severity
    Show

  • SRG-OS-000004-GPOS-00004

    <GroupDescription></GroupDescription>
    Group
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  • IBM z/OS Required SMF data record types must be collected.

    &lt;VulnDiscussion&gt;Without establishing when events occurred, it is impossible to establish, correlate, and investigate the events leading up to...
    Rule Medium Severity
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  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
    Group
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  • IBM z/OS special privileges must be assigned on an as-needed basis to LOGONIDs associated with STCs and LOGONIDs that need to execute TSO in batch.

    &lt;VulnDiscussion&gt;To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...
    Rule Medium Severity
    Show

  • SRG-OS-000038-GPOS-00016

    <GroupDescription></GroupDescription>
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  • IBM z/OS must specify SMF data options to assure appropriate activation.

    &lt;VulnDiscussion&gt;Without establishing when events occurred, it is impossible to establish, correlate, and investigate the events leading up to...
    Rule Medium Severity
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  • SRG-OS-000341-GPOS-00132

    <GroupDescription></GroupDescription>
    Group
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  • IBM z/OS SMF collection files (system MANx data sets or LOGSTREAM DASD) must have storage capacity to store at least one weeks worth of audit data.

    &lt;VulnDiscussion&gt;In order to ensure operating systems have a sufficient storage capacity in which to write the audit logs, operating systems n...
    Rule Medium Severity
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  • SRG-OS-000342-GPOS-00133

    <GroupDescription></GroupDescription>
    Group
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  • IBM z/OS system administrators must develop an automated process to collect and retain SMF data.

    &lt;VulnDiscussion&gt;Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common...
    Rule Medium Severity
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  • SRG-OS-000046-GPOS-00022

    <GroupDescription></GroupDescription>
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  • IBM z/OS BUFUSEWARN in the SMFPRMxx must be properly set.

    &lt;VulnDiscussion&gt;It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required....
    Rule Medium Severity
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