II - Mission Support Sensitive
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000058
Group -
The VMM must protect audit information from unauthorized modification.
If audit data were to become compromised, then forensic analysis and discovery of the true source of potentially malicious system activity is impossible to achieve. To ensure the veracity of audi...Rule Medium Severity -
SRG-OS-000059
Group -
The VMM must protect audit information from unauthorized deletion.
If audit data were to become compromised, then forensic analysis and discovery of the true source of potentially malicious system activity is impossible to achieve. To ensure the veracity of audi...Rule Medium Severity -
SRG-OS-000062
Group -
The VMM must provide audit record generation capability for DoD-defined auditable events for all VMM components.
Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one. Audit re...Rule Medium Severity -
SRG-OS-000063
Group -
The VMM must allow only the ISSM (or individuals or roles appointed by the ISSM) to select which auditable events are to be audited.
Without the capability to restrict which roles and individuals can select which events are audited, unauthorized personnel may be able to prevent the auditing of critical events. Misconfigured audi...Rule Medium Severity -
SRG-OS-000064
Group -
The VMM must generate audit records when successful/unsuccessful attempts to access privileges occur.
Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an in...Rule Medium Severity -
SRG-OS-000066
Group -
The VMM, for PKI-based authentication, must validate certificates by constructing a certification path (which includes status information) to an accepted trust anchor.
Without path validation, an informed trust decision by the relying party cannot be made when presented with any certificate not already explicitly trusted. A trust anchor is an authoritative entit...Rule Medium Severity -
SRG-OS-000067
Group -
The VMM, for PKI-based authentication, must enforce authorized access to the corresponding private key.
If the private key is discovered, an attacker can use the key to authenticate as an authorized user and gain access to the network infrastructure. The cornerstone of the PKI is the private key us...Rule Medium Severity -
SRG-OS-000068
Group -
The VMM must map the authenticated identity to the user or group account for PKI-based authentication.
Without mapping the certificate used to authenticate to the user account, the ability to determine the identity of the individual user or group will not be available for forensic analysis.Rule Medium Severity -
SRG-OS-000069
Group -
The VMM must enforce password complexity by requiring that at least one uppercase character be used.
Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resistin...Rule Medium Severity -
SRG-OS-000070
Group -
The VMM must enforce password complexity by requiring that at least one lowercase character be used.
Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resistin...Rule Medium Severity -
SRG-OS-000071
Group -
The VMM must enforce password complexity by requiring that at least one numeric character be used.
Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resisti...Rule Medium Severity -
SRG-OS-000072
Group -
The VMM must require the change of at least eight of the total number of characters when passwords are changed.
If the VMM allows the user to consecutively reuse extensive portions of passwords, this increases the chances of password compromise by increasing the window of opportunity for attempts at guessing...Rule Medium Severity -
SRG-OS-000073
Group -
The VMM must store only encrypted representations of passwords.
Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are not encrypted, they can be plainly read (i.e., clear text) and easily c...Rule Medium Severity -
SRG-OS-000074
Group -
The VMM must transmit only encrypted representations of passwords.
Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are not encrypted, they can be plainly read (i.e., clear text) and easily c...Rule Medium Severity -
SRG-OS-000075
Group -
The VMM must enforce 24 hours/one day as the minimum password lifetime.
Enforcing a minimum password lifetime helps to prevent repeated password changes to defeat the password reuse or history enforcement requirement. If users are allowed to immediately and continually...Rule Medium Severity -
SRG-OS-000076
Group -
The VMM must enforce a 60-day maximum password lifetime restriction.
Any password, no matter how complex, can eventually be cracked. Therefore, passwords need to be changed periodically. If the VMM does not limit the lifetime of passwords and force users to change t...Rule Medium Severity -
SRG-OS-000078
Group -
The VMM must enforce a minimum 15-character password length.
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 effectivene...Rule Medium Severity -
SRG-OS-000079
Group -
The VMM must obscure feedback of authentication information during the authentication process to protect the information from possible exploitation/use by unauthorized individuals.
To prevent the compromise of authentication information, such as passwords during the authentication process, the feedback from the VMM shall not provide any information allowing an unauthorized us...Rule Medium Severity -
SRG-OS-000080
Group -
The VMM must enforce approved authorizations for logical access to information and system resources in accordance with applicable access control policies.
To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., networks, web servers, and web porta...Rule Medium Severity -
SRG-OS-000095
Group -
The VMM must be configured to disable non-essential capabilities.
It is detrimental for VMMs to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often overlooked and there...Rule Medium Severity -
SRG-OS-000096
Group -
The VMM must be configured to prohibit or restrict the use of functions, ports, protocols, and/or services, as defined in the PPSM CAL and vulnerability assessments.
In order to prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embedding of data types within data types), organizations must disable...Rule Medium Severity -
SRG-OS-000104
Group -
The VMM must uniquely identify and must authenticate organizational users (or processes acting on behalf of organizational users).
To assure accountability and prevent unauthenticated access, organizational users must be identified and authenticated to prevent potential misuse and compromise of the system. Organizational use...Rule Medium Severity -
SRG-OS-000105
Group -
The VMM must use multifactor authentication for network access to privileged accounts.
Without the use of multifactor authentication, the ease of access to privileged functions is greatly increased. Multifactor authentication requires using two or more factors to achieve authenticat...Rule Medium Severity -
SRG-OS-000106
Group -
The VMM must use multifactor authentication for network access to non-privileged accounts.
To assure accountability and prevent unauthenticated access, non-privileged users must utilize multifactor authentication to prevent potential misuse and compromise of the system. Multifactor aut...Rule Medium Severity -
SRG-OS-000107
Group -
The VMM must use multifactor authentication for local access to privileged accounts.
To assure accountability and prevent unauthenticated access, privileged users must utilize multifactor authentication to prevent potential misuse and compromise of the system. Multifactor authenti...Rule Medium Severity
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