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II - Mission Support Public

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000057

    <GroupDescription></GroupDescription>
    Group
  • The operating system must protect audit information from unauthorized read access.

    &lt;VulnDiscussion&gt;Unauthorized disclosure of audit records can reveal system and configuration data to attackers, thus compromising its confide...
    Rule Medium Severity
  • SRG-OS-000058

    <GroupDescription></GroupDescription>
    Group
  • The operating system must protect audit information from unauthorized modification.

    &lt;VulnDiscussion&gt;If audit information were to become compromised, then forensic analysis and discovery of the true source of potentially malic...
    Rule Medium Severity
  • SRG-OS-000059

    <GroupDescription></GroupDescription>
    Group
  • The operating system must protect audit information from unauthorized deletion.

    &lt;VulnDiscussion&gt;If audit information were to become compromised, then forensic analysis and discovery of the true source of potentially malic...
    Rule Medium Severity
  • SRG-OS-000062

    <GroupDescription></GroupDescription>
    Group
  • The operating system must provide audit record generation capability for DoD-defined auditable events for all operating system components.

    &lt;VulnDiscussion&gt;Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events r...
    Rule Medium Severity
  • SRG-OS-000063

    <GroupDescription></GroupDescription>
    Group
  • The operating system must allow only the ISSM (or individuals or roles appointed by the ISSM) to select which auditable events are to be audited.

    &lt;VulnDiscussion&gt;Without the capability to restrict which roles and individuals can select which events are audited, unauthorized personnel ma...
    Rule Medium Severity
  • SRG-OS-000064

    <GroupDescription></GroupDescription>
    Group
  • The operating system must generate audit records when successful/unsuccessful attempts to access privileges occur.

    &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
  • SRG-OS-000066

    <GroupDescription></GroupDescription>
    Group
  • The operating system, for PKI-based authentication, must validate certificates by constructing a certification path (which includes status information) to an accepted trust anchor.

    &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
  • SRG-OS-000067

    <GroupDescription></GroupDescription>
    Group
  • The operating system, for PKI-based authentication, must enforce authorized access to the corresponding private key.

    &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 n...
    Rule Medium Severity
  • SRG-OS-000068

    <GroupDescription></GroupDescription>
    Group
  • The operating system must map the authenticated identity to the user or group account for PKI-based authentication.

    &lt;VulnDiscussion&gt;Without mapping the certificate used to authenticate to the user account, the ability to determine the identity of the indivi...
    Rule Medium Severity
  • SRG-OS-000069

    <GroupDescription></GroupDescription>
    Group
  • The operating system must enforce password complexity by requiring that at least one upper-case character be used.

    &lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...
    Rule Medium Severity
  • SRG-OS-000070

    <GroupDescription></GroupDescription>
    Group
  • The operating system must enforce password complexity by requiring that at least one lower-case character be used.

    &lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...
    Rule Medium Severity
  • SRG-OS-000071

    <GroupDescription></GroupDescription>
    Group
  • The operating system must enforce password complexity by requiring that at least one numeric character be used.

    &lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...
    Rule Medium Severity
  • SRG-OS-000072

    <GroupDescription></GroupDescription>
    Group
  • The operating system must require the change of at least 50% of the total number of characters when passwords are changed.

    &lt;VulnDiscussion&gt; If the operating system allows the user to consecutively reuse extensive portions of passwords, this increases the chances o...
    Rule Medium Severity
  • SRG-OS-000073

    <GroupDescription></GroupDescription>
    Group
  • The operating system must store only encrypted representations of 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
  • SRG-OS-000074

    <GroupDescription></GroupDescription>
    Group
  • The operating system must transmit only encrypted representations of 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
  • SRG-OS-000075

    <GroupDescription></GroupDescription>
    Group
  • Operating systems must enforce 24 hours/1 day as the minimum password lifetime.

    &lt;VulnDiscussion&gt;Enforcing a minimum password lifetime helps to prevent repeated password changes to defeat the password reuse or history enfo...
    Rule Medium Severity
  • SRG-OS-000076

    <GroupDescription></GroupDescription>
    Group
  • Operating systems must enforce a 60-day maximum password lifetime restriction.

    &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
  • SRG-OS-000077

    <GroupDescription></GroupDescription>
    Group
  • The operating system must prohibit password reuse for a minimum of five generations.

    &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
  • SRG-OS-000078

    <GroupDescription></GroupDescription>
    Group
  • The operating system must enforce a minimum 15-character password length.

    &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
  • SRG-OS-000079

    <GroupDescription></GroupDescription>
    Group
  • The operating system must obscure feedback of authentication information during the authentication process to protect the information from possible exploitation/use by unauthorized individuals.

    &lt;VulnDiscussion&gt;To prevent the compromise of authentication information, such as passwords during the authentication process, the feedback fr...
    Rule Medium Severity
  • SRG-OS-000080

    <GroupDescription></GroupDescription>
    Group
  • The operating system must enforce approved authorizations for logical access to information and system resources in accordance with applicable access control policies.

    &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
  • SRG-OS-000095

    <GroupDescription></GroupDescription>
    Group
  • The operating system 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
  • SRG-OS-000096

    <GroupDescription></GroupDescription>
    Group
  • The operating system must be configured to prohibit or restrict the use of functions, 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
  • SRG-OS-000104

    <GroupDescription></GroupDescription>
    Group
  • The operating system must uniquely identify and must authenticate organizational users (or processes acting on behalf of organizational users).

    &lt;VulnDiscussion&gt;To assure accountability and prevent unauthenticated access, organizational users must be identified and authenticated to pre...
    Rule Medium Severity
  • SRG-OS-000105

    <GroupDescription></GroupDescription>
    Group
  • The operating system must use multifactor authentication for network access to privileged accounts.

    &lt;VulnDiscussion&gt;Without the use of multifactor authentication, the ease of access to privileged functions is greatly increased. Multifactor ...
    Rule Medium Severity

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