No profile (default benchmark)
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000324
<GroupDescription></GroupDescription>Group -
The operating system must prevent nonprivileged users from executing privileged functions to include disabling, circumventing, or altering implemented security safeguards/countermeasures.
<VulnDiscussion>Preventing non-privileged users from executing privileged functions mitigates the risk that unauthorized individuals or proce...Rule High Severity -
SRG-OS-000326
<GroupDescription></GroupDescription>Group -
The operating system must prevent all software from executing at higher privilege levels than users executing the software.
<VulnDiscussion>In certain situations, software applications/programs need to execute with elevated privileges to perform required functions....Rule Medium Severity -
SRG-OS-000327
<GroupDescription></GroupDescription>Group -
The operating system must audit the execution of privileged functions.
<VulnDiscussion>Misuse of privileged functions, either intentionally or unintentionally by authorized users, or by unauthorized external enti...Rule Medium Severity -
SRG-OS-000329
<GroupDescription></GroupDescription>Group -
The operating system must automatically lock an account until the locked account is released by an administrator when three unsuccessful logon attempts in 15 minutes occur.
<VulnDiscussion>By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise...Rule Medium Severity -
SRG-OS-000337
<GroupDescription></GroupDescription>Group -
The operating system must provide the capability for assigned IMOs/ISSOs or designated SAs to change the auditing to be performed on all operating system components, based on all selectable event criteria in near real time.
<VulnDiscussion>If authorized individuals do not have the ability to modify auditing parameters in response to a changing threat environment,...Rule Medium Severity -
SRG-OS-000341
<GroupDescription></GroupDescription>Group -
The operating system must allocate audit record storage capacity to store at least one week's worth of audit records, when audit records are not immediately sent to a central audit record storage facility.
<VulnDiscussion>In order to ensure operating systems have a sufficient storage capacity in which to write the audit logs, operating systems n...Rule Low Severity -
SRG-OS-000342
<GroupDescription></GroupDescription>Group -
The operating system must offload audit records onto a different system or media from the system being audited.
<VulnDiscussion>Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common...Rule Low Severity -
SRG-OS-000343
<GroupDescription></GroupDescription>Group -
The operating system must immediately notify the SA and ISSO (at a minimum) when allocated audit record storage volume reaches 75 percent of the repository maximum audit record storage capacity.
<VulnDiscussion>If security personnel are not notified immediately when storage volume reaches 75% utilization, they are unable to plan for a...Rule Low Severity -
SRG-OS-000344
<GroupDescription></GroupDescription>Group -
The operating system must provide an immediate real-time alert to the SA and ISSO, at a minimum, of all audit failure events requiring real-time alerts.
<VulnDiscussion>It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required....Rule Medium Severity -
SRG-OS-000348
<GroupDescription></GroupDescription>Group -
The operating system must provide an audit reduction capability that supports on-demand audit review and analysis.
<VulnDiscussion>The ability to perform on-demand audit review and analysis, including after the audit data has been subjected to audit reduct...Rule Low Severity -
SRG-OS-000349
<GroupDescription></GroupDescription>Group -
The operating system must provide an audit reduction capability that supports after-the-fact investigations of security incidents.
<VulnDiscussion>If the audit reduction capability does not support after-the-fact investigations, it is difficult to establish, correlate, an...Rule Low Severity -
SRG-OS-000350
<GroupDescription></GroupDescription>Group -
The operating system must provide a report generation capability that supports on-demand audit review and analysis.
<VulnDiscussion>The report generation capability must support on-demand review and analysis in order to facilitate the organization's ability...Rule Low Severity -
SRG-OS-000351
<GroupDescription></GroupDescription>Group -
The operating system must provide a report generation capability that supports on-demand reporting requirements.
<VulnDiscussion>The report generation capability must support on-demand reporting in order to facilitate the organization's ability to genera...Rule Low Severity -
SRG-OS-000352
<GroupDescription></GroupDescription>Group -
The operating system must provide a report generation capability that supports after-the-fact investigations of security incidents.
<VulnDiscussion>If the report generation capability does not support after-the-fact investigations, it is difficult to establish, correlate, ...Rule Low Severity -
SRG-OS-000353
<GroupDescription></GroupDescription>Group -
The operating system must not alter original content or time ordering of audit records when it provides an audit reduction capability.
<VulnDiscussion>If the audit reduction capability alters the content or time ordering of audit records, the integrity of the audit records is...Rule Medium Severity -
SRG-OS-000354
<GroupDescription></GroupDescription>Group -
The operating system must not alter original content or time ordering of audit records when it provides a report generation capability.
<VulnDiscussion>If the report generation capability alters the content or time ordering of audit records, the integrity of the audit records ...Rule Medium Severity -
SRG-OS-000355
<GroupDescription></GroupDescription>Group -
The operating system must, for networked systems, compare internal information system clocks at least every 24 hours with a server which is synchronized to one of the redundant United States Naval Observatory (USNO) time servers, or a time server designated for the appropriate DOD network (NIPRNet/SIPRNet), and/or the Global Positioning System (GPS).
<VulnDiscussion>Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the cor...Rule Medium Severity -
SRG-OS-000356
<GroupDescription></GroupDescription>Group -
The operating system must synchronize internal information system clocks to the authoritative time source when the time difference is greater than one second.
<VulnDiscussion>Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the cor...Rule Medium Severity -
SRG-OS-000358
<GroupDescription></GroupDescription>Group -
The operating system must record time stamps for audit records that meet a minimum granularity of one second for a minimum degree of precision.
<VulnDiscussion>Without sufficient granularity of time stamps, it is not possible to adequately determine the chronological order of records....Rule Medium Severity -
SRG-OS-000359
<GroupDescription></GroupDescription>Group -
The operating system must record time stamps for audit records that can be mapped to Coordinated Universal Time (UTC) or Greenwich Mean Time (GMT).
<VulnDiscussion>If time stamps are not consistently applied and there is no common time reference, it is difficult to perform forensic analys...Rule Low Severity -
SRG-OS-000360
<GroupDescription></GroupDescription>Group -
The operating system must enforce dual authorization for movement and/or deletion of all audit information, when such movement or deletion is not part of an authorized automatic process.
<VulnDiscussion>An authorized user may intentionally or accidentally move or delete audit records without those specific actions being author...Rule Medium Severity -
SRG-OS-000362
<GroupDescription></GroupDescription>Group -
The operating system must prohibit user installation of system software without explicit privileged status.
<VulnDiscussion>Allowing regular users to install software, without explicit privileges, creates the risk that untested or potentially malici...Rule Medium Severity -
SRG-OS-000363
<GroupDescription></GroupDescription>Group -
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 -
SRG-OS-000364
<GroupDescription></GroupDescription>Group -
The operating system must enforce access restrictions.
<VulnDiscussion>Failure to provide logical access restrictions associated with changes to system configuration may have significant effects o...Rule Medium Severity -
SRG-OS-000365
<GroupDescription></GroupDescription>Group -
The operating system must audit the enforcement actions used to restrict access associated with changes to the system.
<VulnDiscussion>Without auditing the enforcement of access restrictions against changes to the application configuration, it will be difficul...Rule Medium Severity
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