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IBM z/OS ACF2 Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
    Group
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  • CA-ACF2 must limit access to SYS(x).TRACE to system programmers only.

    &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

  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
    Group
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  • ACF2 Classes required to properly security the z/OS UNIX environment must be ACTIVE.

    &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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  • Access to IBM z/OS special privilege TAPE-LBL or TAPE-BLP must be limited and/or justified.

    &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

  • CA-ACF2 must limit access to System page data sets (i.e., PLPA, COMMON, and LOCALx) to system programmers.

    &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 must protect dynamic lists 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 High Severity
    Show

  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
    Group
    Show

  • SRG-OS-000324-GPOS-00125

    <GroupDescription></GroupDescription>
    Group
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  • CA-ACF2 must limit Write or greater access to SYS1.UADS To system programmers only and read and update access must be limited to system programmer personnel and/or security personnel.

    &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>
    Group
    Show

  • CA-ACF2 must limit all system PROCLIB data sets to appropriate 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 High Severity
    Show

  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
    Group
    Show

  • CA-ACF2 access to the System Master Catalog 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 High Severity
    Show

  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
    Group
    Show

  • IBM z/OS MCS consoles access authorization(s) for CONSOLE resource(s) 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
    Show

  • CA-ACF2 must limit Write or greater access to SYS1.NUCLEUS to system programmers only.

    &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>
    Group
    Show

  • CA-ACF2 must limit Write or greater access to SYS1.LPALIB to system programmers only.

    &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>
    Group
    Show

  • CA-ACF2 must limit Write or greater access to SYS1.IMAGELIB to system programmers.

    &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>
    Group
    Show

  • CA-ACF2 must limit Write or greater access to Libraries containing EXIT modules to system programmers only.

    &lt;VulnDiscussion&gt;Access control policies include: identity-based policies, role-based policies, and attribute-based policies. Access enforceme...
    Rule High Severity
    Show

  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
    Group
    Show

  • CA-ACF2 must limit Write and Allocate access to all APF-authorized libraries to system programmers only.

    &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>
    Group
    Show

  • CA-ACF2 must limit Write or greater access to all LPA libraries to system programmers only.

    &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

  • CA-ACF2 must limit Write and Allocate access to LINKLIST libraries to system programmers only.

    &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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  • CA-ACF2 must limit Write and allocate access to all system-level product installation libraries to system programmers only.

    &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

  • CA-ACF2 must limit Write or greater access to SYS1.SVCLIB to system programmers only.

    &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>
    Group
    Show

  • CA-ACF2 Access to SYS1.LINKLIB must be properly protected.

    &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
    Show

  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
    Group
    Show

  • 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.

    &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

  • CA-ACF2 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
    Show

  • SRG-OS-000324-GPOS-00125

    <GroupDescription></GroupDescription>
    Group
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  • IBM z/OS IEASYMUP resource must be protected in accordance with proper security requirements.

    &lt;VulnDiscussion&gt;Privileged functions include, for example, establishing accounts, performing system integrity checks, or administering crypto...
    Rule Medium Severity
    Show

  • SRG-OS-000324-GPOS-00125

    <GroupDescription></GroupDescription>
    Group
    Show

  • CA-ACF2 must limit Update and Allocate access to system backup files to system programmers and/or batch jobs that perform DASD backups.

    &lt;VulnDiscussion&gt;Preventing non-privileged users from executing privileged functions mitigates the risk that unauthorized individuals or proce...
    Rule Medium Severity
    Show

  • SRG-OS-000324-GPOS-00125

    <GroupDescription></GroupDescription>
    Group
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  • ACF2 PPGM GSO record value must specify protected programs that are only executed by privileged users.

    &lt;VulnDiscussion&gt;Preventing non-privileged users from executing privileged functions mitigates the risk that unauthorized individuals or proce...
    Rule Medium Severity
    Show

  • SRG-OS-000329-GPOS-00128

    <GroupDescription></GroupDescription>
    Group
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  • The CA-ACF2 PSWD GSO record values for MAXTRY and PASSLMT must be properly set.

    &lt;VulnDiscussion&gt;By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise...
    Rule Medium Severity
    Show

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