Nutanix AOS 5.20.x OS Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-OS-000342-GPOS-00133
<GroupDescription></GroupDescription>Group -
Nutanix AOS must offload audit records to a syslog server.
<VulnDiscussion>Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Offloading is a common p...Rule Medium Severity -
SRG-OS-000047-GPOS-00023
<GroupDescription></GroupDescription>Group -
Nutanix AOS must shut down by default upon audit failure (unless availability is an overriding concern).
<VulnDiscussion>It is critical that when the operating system is at risk of failing to process audit logs as required, it takes action to mit...Rule Medium Severity -
SRG-OS-000051-GPOS-00024
<GroupDescription></GroupDescription>Group -
Nutanix AOS must provide the capability to centrally review and analyze audit records from multiple components within the system.
<VulnDiscussion>Successful incident response and auditing relies on timely, accurate system information and analysis to allow the organizatio...Rule Medium Severity -
SRG-OS-000355-GPOS-00143
<GroupDescription></GroupDescription>Group -
Nutanix AOS must compare internal information system clocks at least every 24 hours with a server 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 Low Severity -
SRG-OS-000057-GPOS-00027
<GroupDescription></GroupDescription>Group -
Nutanix AOS must protect audit information from unauthorized access.
<VulnDiscussion>Unauthorized disclosure of audit records can reveal system and configuration data to attackers, thus compromising its confide...Rule Medium Severity -
SRG-OS-000256-GPOS-00097
<GroupDescription></GroupDescription>Group -
Nutanix AOS audit tools must be configured to 0755 or less permissive.
<VulnDiscussion>Without information that establishes the identity of the subjects (i.e., users or processes acting on behalf of users) associ...Rule Medium Severity -
SRG-OS-000257-GPOS-00098
<GroupDescription></GroupDescription>Group -
Nutanix AOS audit tools must be owned by root.
<VulnDiscussion>Protecting audit information also includes identifying and protecting the tools used to view and manipulate log data. Therefo...Rule Medium Severity -
SRG-OS-000258-GPOS-00099
<GroupDescription></GroupDescription>Group -
Nutanix AOS audit tools must be group-owned by root.
<VulnDiscussion>Protecting audit information also includes identifying and protecting the tools used to view and manipulate log data. Therefo...Rule Medium Severity -
SRG-OS-000278-GPOS-00108
<GroupDescription></GroupDescription>Group -
Nutanix AOS must use cryptographic mechanisms to protect the integrity of audit tools.
<VulnDiscussion>Protecting the integrity of the tools used for auditing purposes is a critical step toward ensuring the integrity of audit in...Rule High Severity -
SRG-OS-000363-GPOS-00150
<GroupDescription></GroupDescription>Group -
Nutanix AOS 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
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