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IBM z/OS RACF Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-OS-000104-GPOS-00051

    <GroupDescription></GroupDescription>
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  • IBM z/OS attributes of UNIX user accounts used for account modeling must be defined in accordance with security requirements.

    &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-000080-GPOS-00048

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  • The IBM z/OS startup user account for the z/OS UNIX Telnet Server must be properly defined.

    &lt;VulnDiscussion&gt;The PROFILE.TCPIP configuration file provides system operation and configuration parameters for the TN3270 Telnet Server. Sev...
    Rule Medium Severity
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  • SRG-OS-000080-GPOS-00048

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  • IBM z/OS HFS objects for the z/OS UNIX Telnet Server must be properly protected.

    &lt;VulnDiscussion&gt;HFS directories and files of the z/OS UNIX Telnet Server provide the configuration and executable properties of this product....
    Rule Medium Severity
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  • SRG-OS-000024-GPOS-00007

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  • The IBM z/OS UNIX Telnet Server etc/banner file must have the Standard Mandatory DoD Notice and Consent Banner.

    &lt;VulnDiscussion&gt;A logon banner can be used to inform users about the environment during the initial logon. Logon banners are used to warn use...
    Rule Medium Severity
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  • SRG-OS-000228-GPOS-00088

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  • IBM z/OS UNIX Telnet server Startup parameters must be properly specified.

    &lt;VulnDiscussion&gt;The z/OS UNIX Telnet Server (i.e., otelnetd) provides interactive access to the z/OS UNIX shell. During the initialization pr...
    Rule Medium Severity
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  • SRG-OS-000228-GPOS-00088

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  • The IBM z/OS UNIX Telnet server warning banner must be properly specified.

    &lt;VulnDiscussion&gt;Display of a standardized and approved use notification before granting access to the publicly accessible operating system en...
    Rule Medium Severity
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  • SRG-OS-000080-GPOS-00048

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  • IBM z/OS System datasets used to support the VTAM network must be properly secured.

    &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-000259-GPOS-00100

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  • IBM z/OS VTAM USSTAB definitions must not be used for unsecured terminals.

    &lt;VulnDiscussion&gt;If the operating system were to allow any user to make changes to software libraries, then those changes might be implemented...
    Rule Medium Severity
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  • SRG-OS-000080-GPOS-00048

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  • The IBM RACF System REXX IRRPHREX security data set must be properly protected.

    &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-000070-GPOS-00038

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  • IBM RACF exit ICHPWX11 for password phrases must be installed and properly configured.

    &lt;VulnDiscussion&gt;Use of a complex password phrase helps to increase the time and resources required to compromise the password. Password phras...
    Rule Medium Severity
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  • SRG-OS-000080-GPOS-00048

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  • IBM RACF must limit WRITE or greater access to LINKLIST libraries to system programmers only.

    &lt;VulnDiscussion&gt;The primary function of the LINKLIST is to serve as a single repository for commonly used system modules. Failure to ensure t...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

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  • The IBM z/OS TCPIP.DATA configuration statement must contain the DOMAINORIGIN or DOMAIN specified for each TCP/IP defined.

    &lt;VulnDiscussion&gt;If data origin authentication and data integrity verification are not performed, the resultant response could be forged, it m...
    Rule Medium Severity
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  • SRG-OS-000138-GPOS-00069

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  • IBM z/OS sensitive and critical system data sets must not exist on shared DASDs.

    &lt;VulnDiscussion&gt;Preventing unauthorized information transfers mitigates the risk of information, including encrypted representations of infor...
    Rule Medium Severity
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  • SRG-OS-000080-GPOS-00048

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  • IBM z/OS TCP/IP AT-TLS policy must be properly configured in Policy Agent.

    &lt;VulnDiscussion&gt;If events associated with nonlocal administrative access or diagnostic sessions are not logged, a major tool for assessing an...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

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  • IBM Integrated Crypto Service Facility (ICSF) Configuration parameters must be correctly specified.

    &lt;VulnDiscussion&gt;IBM Integrated Crypto Service Facility (ICSF) product has the ability to use privileged functions and/or have access to sensi...
    Rule Medium Severity
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  • SRG-OS-000080-GPOS-00048

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  • IBM Integrated Crypto Service Facility (ICSF) install data sets are not properly protected.

    &lt;VulnDiscussion&gt;IBM Integrated Crypto Service Facility (ICSF) product has the ability to use privileged functions and/or have access to sensi...
    Rule Medium Severity
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  • SRG-OS-000104-GPOS-00051

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  • IBM Integrated Crypto Service Facility (ICSF) Started Task name is not properly identified / defined to the system ACP.

    &lt;VulnDiscussion&gt;IBM Integrated Crypto Service Facility (ICSF) requires a started task that will be restricted to certain resources, datasets ...
    Rule Medium Severity
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  • SRG-OS-000104-GPOS-00051

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  • IBM Integrated Crypto Service Facility (ICSF) Started task(s) must be properly defined to the STARTED resource class for RACF.

    &lt;VulnDiscussion&gt;Access to product resources should be restricted to only those individuals responsible for the application connectivity and w...
    Rule Medium Severity
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  • SRG-OS-000259-GPOS-00100

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  • IBM Integrated Crypto Service Facility (ICSF) STC data sets must be properly protected.

    &lt;VulnDiscussion&gt;IBM Integrated Crypto Service Facility (ICSF) STC data sets have the ability to use privileged functions and/or have access t...
    Rule Medium Severity
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  • SRG-OS-000073-GPOS-00041

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  • IBM Passtickets must be configured to be KeyEncrypted.

    &lt;VulnDiscussion&gt;Passwords such as IBM Passtickets need to be protected at all times, and encryption is the standard method for protecting suc...
    Rule Medium Severity
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