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IBM z/OS TSS Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-OS-000032-GPOS-00013

    <GroupDescription></GroupDescription>
    Group
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  • IBM z/OS SMF recording options for the SSH daemon must be configured to write SMF records for all eligible events.

    &lt;VulnDiscussion&gt;SMF data collection is the basic unit of tracking of all system functions and actions. Included in this tracking data are the...
    Rule Medium Severity
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  • SRG-OS-000228-GPOS-00088

    <GroupDescription></GroupDescription>
    Group
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  • The IBM z/OS SSH daemon must be configured with the Standard Mandatory DoD Notice and Consent Banner.

    &lt;VulnDiscussion&gt;Display of a standardized and approved use notification before granting access to the operating system ensures privacy and se...
    Rule Medium Severity
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  • SRG-OS-000032-GPOS-00013

    <GroupDescription></GroupDescription>
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  • IBM z/OS PROFILE.TCPIP configuration statements for the TCP/IP stack must be properly coded.

    &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-000080-GPOS-00048

    <GroupDescription></GroupDescription>
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  • IBM z/OS permission bits and user audit bits for HFS objects that are part of the Base TCP/IP component must be configured properly.

    &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 TCP/IP resources 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
    Show

  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
    Group
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  • IBM z/OS data sets for the Base TCP/IP component must be properly protected.

    &lt;VulnDiscussion&gt;MVS data sets of the Base TCP/IP component provide the configuration, operational, and executable properties of IBMs TCP/IP s...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
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  • IBM z/OS Configuration files for the TCP/IP stack must be properly specified.

    &lt;VulnDiscussion&gt;Configuring the operating system to implement organization-wide security implementation guides and security checklists ensure...
    Rule Medium Severity
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  • SRG-OS-000104-GPOS-00051

    <GroupDescription></GroupDescription>
    Group
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  • IBM z/OS started tasks for the Base TCP/IP component 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-000297-GPOS-00115

    <GroupDescription></GroupDescription>
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  • IBM z//OS must be configured to restrict all TCP/IP ports to ports, protocols, and/or services as defined in the PPSM CAL and vulnerability assessments.

    &lt;VulnDiscussion&gt;Remote access services, such as those providing remote access to network devices and information systems, which lack automate...
    Rule Medium Severity
    Show

  • SRG-OS-000023-GPOS-00006

    <GroupDescription></GroupDescription>
    Group
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  • IBM z/OS TN3270 Telnet server configuration statement MSG10 text must have the Standard Mandatory DoD Notice and Consent Banner.

    &lt;VulnDiscussion&gt;Display of a standardized and approved use notification before granting access to the operating system ensures privacy and se...
    Rule Medium Severity
    Show

  • SRG-OS-000392-GPOS-00172

    <GroupDescription></GroupDescription>
    Group
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  • IBM z/OS SMF recording options for the TN3270 Telnet server must be properly specified.

    &lt;VulnDiscussion&gt;Remote access services, such as those providing remote access to network devices and information systems, which lack automate...
    Rule Medium Severity
    Show

  • SRG-OS-000033-GPOS-00014

    <GroupDescription></GroupDescription>
    Group
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  • IBM z/OS SSL encryption options for the TN3270 Telnet server must be specified properly for each statement that defines a SECUREPORT or within the TELNETGLOBALS.

    &lt;VulnDiscussion&gt;Without confidentiality protection mechanisms, unauthorized individuals may gain access to sensitive information via a remote...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • IBM z/OS VTAM session setup controls for the TN3270 Telnet server must be properly specified.

    &lt;VulnDiscussion&gt;Configuring the operating system to implement organization-wide security implementation guides and security checklists ensure...
    Rule Medium Severity
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  • SRG-OS-000163-GPOS-00072

    <GroupDescription></GroupDescription>
    Group
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  • IBM z/OS PROFILE.TCPIP configuration for the TN3270 Telnet server must have the INACTIVE statement properly specified.

    &lt;VulnDiscussion&gt;Terminating network connections associated with communications sessions includes, for example, de-allocating associated TCP/I...
    Rule Medium Severity
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  • SRG-OS-000228-GPOS-00088

    <GroupDescription></GroupDescription>
    Group
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  • The IBM z/OS warning banner for the TN3270 Telnet server must be properly specified.

    &lt;VulnDiscussion&gt;Display of a standardized and approved use notification before granting access to the operating system ensures privacy and se...
    Rule Medium Severity
    Show

  • SRG-OS-000425-GPOS-00189

    <GroupDescription></GroupDescription>
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  • IBM z/OS TELNETPARMS or TELNETGLOBALS must specify a SECUREPORT statement for systems requiring confidentiality and integrity.

    &lt;VulnDiscussion&gt;Information can be either unintentionally or maliciously disclosed or modified during preparation for transmission, for examp...
    Rule Medium Severity
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  • SRG-OS-000080-GPOS-00048

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  • IBM Z/OS TSOAUTH resources must be restricted to authorized users.

    &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-000324-GPOS-00125

    <GroupDescription></GroupDescription>
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  • CA-TSS LOGONIDs must not be defined to SYS1.UADS for non-emergency use.

    &lt;VulnDiscussion&gt;Preventing non-privileged users from executing privileged functions mitigates the risk that unauthorized individuals or proce...
    Rule High Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • IBM z/OS UNIX HFS MapName file security parameters must be properly specified.

    &lt;VulnDiscussion&gt;Removal of unneeded or non-secure functions, ports, protocols, and services mitigate the risk of unauthorized connection of d...
    Rule Medium Severity
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  • SRG-OS-000047-GPOS-00023

    <GroupDescription></GroupDescription>
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  • IBM z/OS NOBUFFS in SMFPRMxx must be properly set (default is MSG).

    &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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  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
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  • IBM z/OS BPX resource(s) 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 UNIX 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>
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  • IBM z/OS UNIX SUPERUSER resources must be protected in accordance with guidelines.

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

  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
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  • IBM z/OS UNIX MVS data sets or HFS objects 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
    Show

  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
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  • IBM z/OS UNIX MVS data sets with z/OS UNIX components 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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