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General Purpose Operating System Security Requirements Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • The operating system must notify designated personnel if baseline configurations are changed in an unauthorized manner.

    <VulnDiscussion>Unauthorized changes to the baseline configuration could make the system vulnerable to various attacks or allow unauthorized ...
    Rule Medium Severity
    Show

  • SRG-OS-000364

    <GroupDescription></GroupDescription>
    Group
    Show

  • The operating system must enforce access restrictions.

    &lt;VulnDiscussion&gt;Failure to provide logical access restrictions associated with changes to system configuration may have significant effects o...
    Rule Medium Severity
    Show

  • SRG-OS-000365

    <GroupDescription></GroupDescription>
    Group
    Show

  • The operating system must audit the enforcement actions used to restrict access associated with changes to the system.

    &lt;VulnDiscussion&gt;Without auditing the enforcement of access restrictions against changes to the application configuration, it will be difficul...
    Rule Medium Severity
    Show

  • The operating system must prevent the installation of patches, service packs, device drivers, or operating system components without verification they have been digitally signed using a certificate that is recognized and approved by the organization.

    &lt;VulnDiscussion&gt;Changes to any software components can have significant effects on the overall security of the operating system. This require...
    Rule High Severity
    Show

  • SRG-OS-000368

    <GroupDescription></GroupDescription>
    Group
    Show

  • The operating system must prevent program execution in accordance with local policies regarding software program usage and restrictions and/or rules authorizing the terms and conditions of software program usage.

    &lt;VulnDiscussion&gt;Control of program execution is a mechanism used to prevent execution of unauthorized programs. Some operating systems may pr...
    Rule Medium Severity
    Show

  • SRG-OS-000370

    <GroupDescription></GroupDescription>
    Group
    Show

  • The operating system must employ a deny-all, permit-by-exception policy to allow the execution of authorized software programs.

    &lt;VulnDiscussion&gt;Utilizing a whitelist provides a configuration management method for allowing the execution of only authorized software. Usin...
    Rule Medium Severity
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  • SRG-OS-000375

    <GroupDescription></GroupDescription>
    Group
    Show

  • The operating system must implement multifactor authentication for remote access to privileged accounts in such a way that one of the factors is provided by a device separate from the system gaining access.

    &lt;VulnDiscussion&gt;Using an authentication device, such as a common access card (CAC) or token that is separate from the information system, ens...
    Rule Medium Severity
    Show

  • SRG-OS-000376

    <GroupDescription></GroupDescription>
    Group
    Show

  • The operating system must authenticate all endpoint devices before establishing a local, remote, and/or network connection using bidirectional authentication that is cryptographically based.

    &lt;VulnDiscussion&gt;Without authenticating devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. B...
    Rule Medium Severity
    Show

  • SRG-OS-000383

    <GroupDescription></GroupDescription>
    Group
    Show

  • The operating system must prohibit the use of cached authenticators after one day.

    &lt;VulnDiscussion&gt;If cached authentication information is out-of-date, the validity of the authentication information may be questionable.&lt;/...
    Rule Medium Severity
    Show

  • SRG-OS-000384

    <GroupDescription></GroupDescription>
    Group
    Show

  • The operating system, for PKI-based authentication, must implement a local cache of revocation data to support path discovery and validation in case of the inability to access revocation information via the network.

    &lt;VulnDiscussion&gt;Without configuring a local cache of revocation data, there is the potential to allow access to users who are no longer autho...
    Rule Medium Severity
    Show

  • SRG-OS-000392

    <GroupDescription></GroupDescription>
    Group
    Show

  • The operating system must audit all activities performed during nonlocal maintenance and diagnostic sessions.

    &lt;VulnDiscussion&gt;If events associated with nonlocal administrative access or diagnostic sessions are not logged, a major tool for assessing an...
    Rule Medium Severity
    Show

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