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II - Mission Support Public

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000191

    <GroupDescription></GroupDescription>
    Group
  • The VMM must employ automated mechanisms to determine the state of system components with regard to flaw remediation using the following frequency: continuously, where HBSS is used; 30 days, for any additional internal network scans not covered by HBSS; and annually, for external scans by Computer Network Defense Service Provider (CNDSP).

    &lt;VulnDiscussion&gt;Without the use of automated mechanisms to scan for security flaws on a continuous and/or periodic basis, the VMM or other sy...
    Rule Medium Severity
  • SRG-OS-000203

    <GroupDescription></GroupDescription>
    Group
  • The VMM must check the validity of all data inputs except those specifically identified by the organization.

    &lt;VulnDiscussion&gt;Invalid user input occurs when a user inserts data or characters into data entry fields and the VMM is unprepared to process ...
    Rule Medium Severity
  • SRG-OS-000205

    <GroupDescription></GroupDescription>
    Group
  • The VMM must generate error messages that provide information necessary for corrective actions without revealing information that could be exploited by adversaries.

    &lt;VulnDiscussion&gt;Any VMM providing too much information in error messages risks compromising the data and security of the structure, and conte...
    Rule Medium Severity
  • SRG-OS-000206

    <GroupDescription></GroupDescription>
    Group
  • The VMM must reveal system error messages only to authorized users.

    &lt;VulnDiscussion&gt;Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an orga...
    Rule Medium Severity
  • SRG-OS-000221

    <GroupDescription></GroupDescription>
    Group
  • All interactions among guest VMs must be mediated by the VMM or its service VMs to support proper function.

    &lt;VulnDiscussion&gt;Mechanisms to detect and prevent unauthorized communication flow must be configured or provided as part of the VMM design. If...
    Rule Medium Severity
  • SRG-OS-000239

    <GroupDescription></GroupDescription>
    Group
  • The VMM must automatically audit account modification.

    &lt;VulnDiscussion&gt;Once an attacker establishes access to a system, the attacker often attempts to create a persistent method of reestablishing ...
    Rule Medium Severity
  • SRG-OS-000240

    <GroupDescription></GroupDescription>
    Group
  • The VMM must automatically audit account disabling actions.

    &lt;VulnDiscussion&gt;When VMM accounts are disabled, user accessibility is affected. Once an attacker establishes access to a system, the attacker...
    Rule Medium Severity
  • SRG-OS-000241

    <GroupDescription></GroupDescription>
    Group
  • The VMM must automatically audit account removal actions.

    &lt;VulnDiscussion&gt;When VMM accounts are removed, user accessibility is affected. Once an attacker establishes access to a system, the attacker ...
    Rule Medium Severity
  • SRG-OS-000242

    <GroupDescription></GroupDescription>
    Group
  • All guest VM network communications must be implemented through use of virtual network devices provisioned by the VMM.

    &lt;VulnDiscussion&gt;Mechanisms to detect and prevent unauthorized communication flow must be configured or provided as part of the VMM design. If...
    Rule Medium Severity
  • SRG-OS-000242

    <GroupDescription></GroupDescription>
    Group
  • All interactions between guest VMs and external systems, via other interface devices, must be mediated by the VMM or its service VMs.

    &lt;VulnDiscussion&gt;Mechanisms to detect and prevent unauthorized communication flow must be configured or provided as part of the VMM design. If...
    Rule Medium Severity

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