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III - Administrative Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000001-GPOS-00001

    <GroupDescription></GroupDescription>
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  • The IBM z/VM TCP/IP DTCPARMS files must be properly configured to connect to an external security manager.

    &lt;VulnDiscussion&gt;A comprehensive account management process such as provided by External Security Managers (ESM) which includes automation hel...
    Rule High Severity
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  • SRG-OS-000004-GPOS-00004

    <GroupDescription></GroupDescription>
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  • CA VM:Secure product must be installed and operating.

    &lt;VulnDiscussion&gt;A comprehensive account management process such as provided by an External Security Manager (ESM) which includes automation h...
    Rule Medium Severity
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  • SRG-OS-000021-GPOS-00005

    <GroupDescription></GroupDescription>
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  • The IBM z/VM JOURNALING LOGON parameter must be set for lockout after 3 attempts for 15 minutes.

    &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
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  • SRG-OS-000021-GPOS-00005

    <GroupDescription></GroupDescription>
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  • The CA VM:Secure JOURNAL Facility parameters must be set for lockout after 3 attempts.

    &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
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  • SRG-OS-000023-GPOS-00006

    <GroupDescription></GroupDescription>
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  • The IBM z/VM LOGO Configuration file must be configured to display the Standard Mandatory DoD Notice and Consent Banner before granting local or remote access to the system.

    &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-000023-GPOS-00006

    <GroupDescription></GroupDescription>
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  • The IBM z/VM TCP/IP FTP Server must be configured to display the Standard Mandatory DoD Notice and Consent Banner before granting local or remote access to the system and until users acknowledge the usage conditions and take explicit actions to log on for further access.

    &lt;VulnDiscussion&gt;The banner must be acknowledged by the user prior to allowing the user access to the operating system. This provides assuranc...
    Rule Medium Severity
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  • SRG-OS-000024-GPOS-00007

    <GroupDescription></GroupDescription>
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  • The IBM z/VM LOGO configuration file must be configured to display the Standard Mandatory DoD Notice and Consent Banner until users acknowledge the usage conditions and take explicit actions to log on for further access.

    &lt;VulnDiscussion&gt;The banner must be acknowledged by the user prior to allowing the user access to the operating system. This provides assuranc...
    Rule Medium Severity
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  • SRG-OS-000032-GPOS-00013

    <GroupDescription></GroupDescription>
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  • For FTP processing Z/VM TCP/IP FTP server Exit must be enabled.

    &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-000033-GPOS-00014

    <GroupDescription></GroupDescription>
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  • The IBM z/VM TCP/IP configuration must include an SSLSERVERID statement.

    &lt;VulnDiscussion&gt;The Secure Socket Layer (SSL) server, provides processing support for secure (encrypted) communication between remote clients...
    Rule Medium Severity
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  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
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  • CA VM:Secure product AUDIT file must be restricted to authorized personnel.

    &lt;VulnDiscussion&gt;Unauthorized disclosure of audit records can reveal system and configuration data to attackers, thus compromising its confide...
    Rule Medium Severity
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  • SRG-OS-000470-GPOS-00214

    <GroupDescription></GroupDescription>
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  • The IBM z/VM Journal option must be specified in the Product Configuration File.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
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  • SRG-OS-000066-GPOS-00034

    <GroupDescription></GroupDescription>
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  • All digital certificates in use must have a valid path to a trusted Certification authority.

    &lt;VulnDiscussion&gt;Without path validation, an informed trust decision by the relying party cannot be made when presented with any certificate n...
    Rule Medium Severity
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  • SRG-OS-000067-GPOS-00035

    <GroupDescription></GroupDescription>
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  • The IBM z/VM TCP/IP Key database for LDAP or SSL server must be created with the proper permissions.

    &lt;VulnDiscussion&gt;If the private key is discovered, an attacker can use the key to authenticate as an authorized user and gain access to the ne...
    Rule Medium Severity
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  • SRG-OS-000073-GPOS-00041

    <GroupDescription></GroupDescription>
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  • CA VM:Secure product Password Encryption (PEF) option must be properly configured to store and transmit cryptographically-protected passwords.

    &lt;VulnDiscussion&gt;Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are...
    Rule High Severity
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  • SRG-OS-000076-GPOS-00044

    <GroupDescription></GroupDescription>
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  • CA VM:Secure product AUTOEXP record in the Security Config File must be properly set.

    &lt;VulnDiscussion&gt;Any password, no matter how complex, can eventually be cracked. Therefore, passwords need to be changed periodically. If the ...
    Rule Medium Severity
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  • SRG-OS-000077-GPOS-00045

    <GroupDescription></GroupDescription>
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  • CA VM:Secure product PASSWORD user exit must be coded with the PWLIST option properly set.

    &lt;VulnDiscussion&gt;Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute...
    Rule Medium Severity
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  • SRG-OS-000078-GPOS-00046

    <GroupDescription></GroupDescription>
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  • IBM zVM CA VM:Secure product PASSWORD user exit must be in use.

    &lt;VulnDiscussion&gt;The shorter the password, the lower the number of possible combinations that need to be tested before the password is comprom...
    Rule Medium Severity
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  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
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  • IBM z/VM must be configured to disable non-essential capabilities.

    &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-000480-GPOS-00226

    <GroupDescription></GroupDescription>
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  • CA VM:Secure product Config Delay LOG option must be set to 0.

    &lt;VulnDiscussion&gt;IBM z/VM 6.4.0 made changes to obscure whether a logon is invalid due to the user ID or due to the password. Both the logon p...
    Rule Medium Severity
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  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
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  • CA VM:Secure product NORULE record in the SECURITY CONFIG file must be configured to REJECT.

    &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-000096-GPOS-00050

    <GroupDescription></GroupDescription>
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  • All IBM z/VM TCP/IP Ports must be restricted to ports, protocols, and/or services, as defined in the PPSM CAL and vulnerability assessments.

    &lt;VulnDiscussion&gt;In order to prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e....
    Rule Medium Severity
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  • SRG-OS-000118-GPOS-00060

    <GroupDescription></GroupDescription>
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  • The IBM z/VM Security Manager must provide a procedure to disable userIDs after 35 days of inactivity.

    &lt;VulnDiscussion&gt;Inactive identifiers pose a risk to systems and applications because attackers may exploit an inactive identifier and potenti...
    Rule Medium Severity
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  • SRG-OS-000120-GPOS-00061

    <GroupDescription></GroupDescription>
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  • The IBM z/VM TCP/IP VMSSL command operands must be configured properly.

    &lt;VulnDiscussion&gt;VMSSL services are initiated using the VMSSL command defined in the DTCPARMS file. Unapproved mechanisms that are used for au...
    Rule High Severity
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  • SRG-OS-000121-GPOS-00062

    <GroupDescription></GroupDescription>
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  • The IBM z/VM TCP/IP ANONYMOU statement must not be coded in FTP configuration.

    &lt;VulnDiscussion&gt;Operating systems utilizing encryption are required to use FIPS-compliant mechanisms for authenticating to cryptographic modu...
    Rule Medium Severity
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  • SRG-OS-000132-GPOS-00067

    <GroupDescription></GroupDescription>
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  • CA VM:Secure product ADMIN GLOBALS command must be restricted to systems programming personnel.

    &lt;VulnDiscussion&gt;Operating system management functionality includes functions necessary for administration and requires privileged user access...
    Rule Medium Severity
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