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XCCDF
HPE 3PAR StoreServ 3.2.x Security Technical Implementation Guide
Profiles
II - Mission Support Classified
II - Mission Support Classified
An XCCDF Profile
Details
Items
Prose
19 rules organized in 19 groups
SRG-OS-000095-GPOS-00049
1 Rule
The storage system in a hardened configuration must be configured to disable the Remote Copy feature, unless needed.
High Severity
It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often overlooked and therefore may remain unsecured. They increase the risk to the platform by providing additional attack vectors. Operating systems are capable of providing a wide variety of functions and services. Some of the functions and services, provided by default, may not be necessary to support essential organizational operations (e.g., key missions, functions). Examples of non-essential capabilities include but are not limited to games, software packages, tools, and demonstration software not related to requirements or providing a wide array of functionality not required for every mission, but which cannot be disabled.
SRG-OS-000480-GPOS-00227
1 Rule
The CIM service must be disabled, unless needed.
Medium Severity
It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often overlooked and therefore may remain unsecured. They increase the risk to the platform by providing additional attack vectors. Operating systems are capable of providing a wide variety of functions and services. Some of the functions and services, provided by default, may not be necessary to support essential organizational operations (e.g., key missions, functions). Examples of non-essential capabilities include but are not limited to games, software packages, tools, and demonstration software not related to requirements or providing a wide array of functionality not required for every mission, but which cannot be disabled.
SRG-OS-000126-GPOS-00066
1 Rule
The storage system must terminate all network connections associated with a communications session at the end of the session, at shutdown, or after 10 minutes of inactivity.
Medium Severity
Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take control of a management session enabled on the console or console port that has been left unattended. In addition, quickly terminating an idle session will also free up resources committed by the managed network element. Terminating network connections associated with communication sessions includes, for example, de-allocating associated TCP/IP address/port pairs at the operating system level, and de-allocating networking assignments at the application level if multiple application sessions are using a single operating system-level network connection. This does not mean that the operating system terminates all sessions or network access; it only ends the inactive session and releases the resources associated with that session. Satisfies: SRG-OS-000126-GPOS-00066, SRG-OS-000163-GPOS-00072, SRG-OS-000279-GPOS-00109
SRG-OS-000423-GPOS-00187
1 Rule
The CIM service must use DoD-approved encryption.
High Severity
Without protection of the transmitted information, confidentiality and integrity may be compromised because unprotected communications can be intercepted and either read or altered. Facilitating the confidentiality and integrity of transmitted information requires the operating system to take measures in preparing information for transmission. This can be accomplished via encryption. This requirement applies to both internal and external networks and all types of information system components from which information can be transmitted (e.g., servers, mobile devices, notebook computers, printers, copiers, scanners, and facsimile machines). Communication paths outside the physical protection of a controlled boundary are exposed to the possibility of interception and modification. Unapproved mechanisms that are used for authentication to the cryptographic module are not verified and therefore cannot be relied upon to provide confidentiality or integrity, and DoD data may be compromised.
SRG-OS-000033-GPOS-00014
1 Rule
DoD-approved encryption must be implemented to protect the confidentiality and integrity of remote access sessions, information during preparation for transmission, information during reception, and information during transmission in addition to enforcing replay-resistant authentication mechanisms for network access to privileged accounts.
High Severity
Without protection of the transmitted information, confidentiality and integrity may be compromised because unprotected communications can be intercepted and either read or altered. Cryptographic mechanisms used for protecting the integrity of information include, for example, signed hash functions using asymmetric cryptography enabling distribution of the public key to verify the hash information while maintaining the confidentiality of the secret key used to generate the hash. Facilitating the confidentiality of transmitted information requires the operating system to take measures in preparing information for transmission. This can be accomplished via access control and encryption. This requirement applies to both internal and external networks and all types of information system components from which information can be transmitted (e.g., servers, mobile devices, notebook computers, printers, copiers, scanners, and facsimile machines). Communication paths outside the physical protection of a controlled boundary are exposed to the possibility of interception and modification. Unapproved mechanisms that are used for authentication to the cryptographic module are not verified and therefore cannot be relied upon to provide confidentiality or integrity, and DoD data may be compromised. Operating systems using encryption are required to use FIPS-compliant mechanisms for authenticating to cryptographic modules. FIPS 140-2 is the current standard for validating that mechanisms used to access cryptographic modules utilize authentication that meets DoD requirements. This allows for Security Levels 1, 2, 3, or 4 for use on a general purpose computing system. Satisfies: SRG-OS-000033-GPOS-00014, SRG-OS-000096-GPOS-00050, SRG-OS-000112-GPOS-00057, SRG-OS-000120-GPOS-00061, SRG-OS-000250-GPOS-00093, SRG-OS-000297-GPOS-00115, SRG-OS-000393-GPOS-00173, SRG-OS-000394-GPOS-00174, SRG-OS-000423-GPOS-00187, SRG-OS-000424-GPOS-00188, SRG-OS-000425-GPOS-00189, SRG-OS-000426-GPOS-00190, SRG-OS-000480-GPOS-00227
SRG-OS-000404-GPOS-00183
1 Rule
The storage system must implement cryptographic mechanisms to prevent unauthorized modification or disclosure of all information at rest on all storage system components.
Low Severity
Operating systems handling data requiring “data at rest” protections must employ cryptographic mechanisms to prevent unauthorized disclosure and modification of the information at rest. Selection of a cryptographic mechanism is based on the need to protect the integrity of organizational information. The strength of the mechanism is commensurate with the security category and/or classification of the information. Organizations have the flexibility to either encrypt all information on storage devices (i.e., full disk encryption) or encrypt specific data structures (e.g., files, records, or fields). Satisfies: SRG-OS-000404-GPOS-00183, SRG-OS-000405-GPOS-00184
SRG-OS-000046-GPOS-00022
1 Rule
SNMP must be changed from default settings and must be configured on the storage system to provide alerts of critical events that impact system security.
Medium Severity
Whether active or not, default SNMP passwords, users, and passphrases must be changed to maintain security. If the service is running with the default authenticators, anyone can gather data about the system and the network(s) and use the information to potentially compromise the integrity of the system or network(s). The product must be configured to alert administrators when events occur that may impact system operation or security. The alerting mechanism must support secured options and configurations that can be audited. Satisfies: SRG-OS-000046-GPOS-00022, SRG-OS-000480-GPOS-00227, SRG-OS-000344-GPOS-00135
SRG-OS-000480-GPOS-00227
1 Rule
The SNMP service on the storage system must use only SNMPv3 or its successors.
Medium Severity
SNMP Versions 1 and 2 are not considered secure. Without the strong authentication and privacy provided by the SNMP Version 3 User-based Security Model (USM), an attacker or other unauthorized users may gain access to detailed system management information and use the information to launch attacks against the system.
SRG-OS-000480-GPOS-00227
1 Rule
The SNMP service on the storage system must require the use of a FIPS 140-2 approved cryptographic hash algorithm as part of its authentication and integrity methods.
Medium Severity
The SNMP service must use AES or a FIPS 140-2 approved successor algorithm for protecting the privacy of communications.
SRG-OS-000355-GPOS-00143
1 Rule
The storage 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).
Low Severity
Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the correct time a particular event occurred on a system is critical when conducting forensic analysis and investigating system events. Sources outside the configured acceptable allowance (drift) may be inaccurate. Synchronizing internal information system clocks provides uniformity of time stamps for information systems with multiple system clocks and systems connected over a network. Organizations should consider endpoints that may not have regular access to the authoritative time server (e.g., mobile, teleworking, and tactical endpoints).
SRG-OS-000123-GPOS-00064
1 Rule
The storage system must be configured to have only 1 emergency account which can be accessed without LDAP, and which has full administrator capabilities.
High Severity
While LDAP allows the storage system to support stronger authentication and provides additional auditing, it also places a dependency on an external entity in the operational environment. The existence of a single local account with a strong password means that administrators can continue to access the storage system in the event the LDAP system is temporarily unavailable.
SRG-OS-000001-GPOS-00001
1 Rule
The storage system must only be operated in conjunction with an LDAP server in a trusted environment if an Active Directory server is not available.
High Severity
Where strong account and password management capabilities are required, the 3PAR system is heavily dependent on its ability to use an LDAP server. Satisfies: SRG-OS-000001-GPOS-00001, SRG-OS-000104-GPOS-00051, SRG-OS-000480-GPOS-00227
SRG-OS-000125-GPOS-00065
1 Rule
User credentials which would allow remote access to the system by the Service Processor must be removed from the storage system.
High Severity
Failure to remove the default user accounts associated with remote access from the Service Processor increases the risk of unauthorized access to the 3PAR OS via the product's remote support interface. The Service Processor's authentication methods have not been evaluated and using such mechanisms to permit remote, full control of the system by organizational or non-organizational users represents an increased risk to unauthorized access. The Service Processor can also send system data offsite providing access to system information to non-DoD organizations.
SRG-OS-000001-GPOS-00001
1 Rule
The storage system must only be operated in conjunction with an Active Directory server in a trusted environment if an LDAP server is not available.
High Severity
Where strong account and password management capabilities are required, the 3PAR system is heavily dependent on its ability to use an AD server. Satisfies: SRG-OS-000001-GPOS-00001, SRG-OS-000104-GPOS-00051, SRG-OS-000480-GPOS-00227
SRG-OS-000078-GPOS-00046
1 Rule
The storage system must require passwords contain a minimum of 15 characters, after an administrator has set the minimum password length to that value.
Medium Severity
The shorter the password, the lower the number of possible combinations that need to be tested before the password is compromised. Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. Password length is one factor of several that helps to determine strength and how long it takes to crack a password. Use of more characters in a password helps to exponentially increase the time and/or resources required to compromise the password.
SRG-OS-000023-GPOS-00006
1 Rule
The Standard Mandatory DoD Notice and Consent Banner must be displayed until users acknowledge the usage conditions and take explicit actions to log on for further access.
Low Severity
Display of a standardized and approved use notification before granting access to the operating system ensures privacy and security notification verbiage used is consistent with applicable federal laws, Executive Orders, directives, policies, regulations, standards, and guidance. The banner must be acknowledged by the user prior to allowing the user access to the operating system. This provides assurance that the user has seen the message and accepted the conditions for access. If the consent banner is not acknowledged by the user, DoD will not be in compliance with system use notifications required by law. To establish acceptance of the application usage policy, a click-through banner at system logon is required. The system must prevent further activity until the user executes a positive action to manifest agreement by clicking on a box indicating "OK". The banner must be formatted in accordance with applicable DoD policy. Use the following verbiage for operating systems that can accommodate banners of 1300 characters: "You are accessing a U.S. Government (USG) Information System (IS) that is provided for USG-authorized use only. By using this IS (which includes any device attached to this IS), you consent to the following conditions: -The USG routinely intercepts and monitors communications on this IS for purposes including, but not limited to, penetration testing, COMSEC monitoring, network operations and defense, personnel misconduct (PM), law enforcement (LE), and counterintelligence (CI) investigations. -At any time, the USG may inspect and seize data stored on this IS. -Communications using, or data stored on, this IS are not private, are subject to routine monitoring, interception, and search, and may be disclosed or used for any USG-authorized purpose. -This IS includes security measures (e.g., authentication and access controls) to protect USG interests--not for your personal benefit or privacy. -Notwithstanding the above, using this IS does not constitute consent to PM, LE or CI investigative searching or monitoring of the content of privileged communications, or work product, related to personal representation or services by attorneys, psychotherapists, or clergy, and their assistants. Such communications and work product are private and confidential. See User Agreement for details." Use the following verbiage for operating systems that have severe limitations on the number of characters that can be displayed in the banner: "I've read & consent to terms in IS user agreem't." Satisfies: SRG-OS-000023-GPOS-00006, SRG-OS-000024-GPOS-00007, SRG-OS-000228-GPOS-00088
SRG-OS-000341-GPOS-00132
1 Rule
The storage system must allocate audit record storage capacity to store at least one weeks worth of audit records, when audit records are not immediately sent to a central audit record storage facility.
Medium Severity
To verify operating systems have a sufficient storage capacity in which to write the audit logs, operating systems need to be able to allocate audit record storage capacity. The task of allocating audit record storage capacity is usually performed during initial installation of the operating system.
SRG-OS-000359-GPOS-00146
1 Rule
The storage system must record time stamps for audit records that can be mapped to Coordinated Universal Time (UTC) or Greenwich Mean Time (GMT).
Low Severity
If time stamps are not consistently applied and there is no common time reference, it is difficult to perform forensic analysis. Time stamps generated by the operating system include date and time. Time is commonly expressed in UTC, a modern continuation of GMT, or local time with an offset from UTC.
SRG-OS-000480-GPOS-00227
1 Rule
The storage system must be operated at the latest maintenance update available from the vendor.
Medium Severity
The organization must install security-relevant updates (e.g., patches, maintenance updates, and version updates). Due to the potential need for isolation of the storage system from automatic update mechanisms, the organization must give careful consideration to the methodology used to carry out updates.