| Finding ID |
Severity |
Title |
Description |
|
V-270643
|
High |
The Dell OS10 Switch must be configured to use at least two authentication servers for the purpose of authenticating users prior to granting administrative access. |
Centralized management of authentication settings increases the security of remote and nonlocal access methods. This control is particularly important protection against the insider threat. With robust centralized management, audit records for administrator account access to the organization's network devices can be more readily analyzed for trends and anomalies. The alternative... |
|
V-269804
|
High |
The Dell OS10 Switch must be running an operating system release that is currently supported by Dell. |
Network devices running an unsupported operating system lack current security fixes required to mitigate the risks associated with recent vulnerabilities. |
|
V-269803
|
High |
The Dell OS10 Switch must be configured to send log data to at least two central log servers for the purpose of forwarding alerts to the administrators and the information system security officer (ISSO). |
The aggregation of log data kept on a syslog server can be used to detect attacks and trigger an alert to the appropriate security personnel. The stored log data can used to detect weaknesses in security that enable the network IA team to find and address these weaknesses before breaches... |
|
V-269797
|
High |
The Dell OS10 Switch must be configured to implement cryptographic mechanisms using a FIPS 140-2 approved algorithm to protect the confidentiality of remote maintenance sessions. |
This requires the use of secure protocols instead of their unsecured counterparts, such as SSH instead of telnet, SCP instead of FTP, and HTTPS instead of HTTP. If unsecured protocols (lacking cryptographic mechanisms) are used for sessions, the contents of those sessions will be susceptible to eavesdropping, potentially putting sensitive... |
|
V-269796
|
High |
The Dell OS10 Switch must use FIPS-validated Keyed-Hash Message Authentication Code (HMAC) to protect the integrity of nonlocal maintenance and diagnostic communications. |
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.
Nonlocal maintenance and diagnostic activities are those activities conducted by individuals communicating through a network, either an external network... |
|
V-269790
|
High |
The Dell OS10 Switch must prevent nonprivileged users from executing privileged functions to include disabling, circumventing, or altering implemented security safeguards/countermeasures. |
Preventing nonprivileged users from executing privileged functions mitigates the risk that unauthorized individuals or processes may gain unnecessary access to information or privileges.
Privileged functions include establishing accounts, performing system integrity checks, or administering cryptographic key management activities. Nonprivileged users are individuals that do not possess appropriate authorizations.
Satisfies: SRG-APP-000340-NDM-000288,... |
|
V-269789
|
High |
The Dell OS10 Switch must terminate all network connections associated with a device management session at the end of the session, or the session must be terminated after five minutes of inactivity except to fulfill documented and validated mission requirements. |
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... |
|
V-269788
|
High |
The Dell OS10 Switch must use FIPS 140-2 approved algorithms for authentication to a cryptographic module. |
Unapproved mechanisms that are used for authentication to the cryptographic module are not validated and therefore cannot be relied upon to provide confidentiality or integrity, and DOD data may be compromised.
Network devices using encryption are required to use FIPS-compliant mechanisms for authenticating to cryptographic modules.
FIPS 140-2 is the... |
|
V-269787
|
High |
The Dell OS10 Switch, for PKI-based authentication, must be configured to map validated certificates to unique user accounts. |
Without mapping the PKI certificate to a unique user account, the ability to determine the identities of individuals or the status of their nonrepudiation is considerably impacted during forensic analysis. A strength of using PKI as multifactor authentication (MFA) is that it can help ensure only the assigned individual is... |
|
V-269786
|
High |
The Dell OS10 Switch must be configured to use DOD-approved OCSP responders or CRLs to validate certificates used for PKI-based authentication. |
Once issued by a DOD certificate authority (CA), public key infrastructure (PKI) certificates are typically valid for three years or shorter within the DOD. However, there are many reasons a certificate may become invalid before the prescribed expiration date. For example, an employee may leave or be terminated and still... |
|
V-269779
|
High |
The Dell OS10 Switch must be configured to use DOD PKI as multifactor authentication (MFA) for interactive logins. |
MFA is when two or more factors are used to confirm the identity of an individual who is requesting access to digital information resources. Valid factors include something the individual knows (e.g., username and password), something the individual has (e.g., a smartcard or token), or something the individual is (e.g.,... |
|
V-269777
|
High |
The Dell OS10 Switch must be configured to disable the Bash shell. |
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 unused or unnecessary physical and logical ports/protocols on information systems.
Network devices are capable of providing a wide variety of functions and services. Some of the... |
|
V-269776
|
High |
The Dell OS10 Switch must be configured to prohibit the use of all unnecessary and/or nonsecure functions, ports, protocols, and/or services. |
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 unused or unnecessary physical and logical ports/protocols on information systems.
Network devices are capable of providing a wide variety of functions and services. Some of the... |
|
V-269769
|
High |
The Dell OS10 Switch must be configured to assign appropriate user roles or access levels to authenticated users. |
Successful identification and authentication must not automatically give an entity full access to a network device or security domain. The lack of authorization-based access control could result in the immediate compromise and unauthorized access to sensitive information. All DOD systems must be properly configured to incorporate access control methods that... |
|
V-270644
|
Medium |
The Dell OS10 Switch must be configured to synchronize internal information system clocks using redundant authoritative time sources. |
The loss of connectivity to a particular authoritative time source will result in the loss of time synchronization (free-run mode) and increasingly inaccurate time stamps on audit events and other functions.
Multiple time sources provide redundancy by including a secondary source. Time synchronization is usually a hierarchy; clients synchronize time... |
|
V-269805
|
Medium |
The Dell OS10 Switch must not have any default manufacturer passwords when deployed. |
Password-based authentication applies to passwords regardless of whether they are used in single-factor or multifactor authentication. Long passwords or passphrases are preferable over shorter passwords. Enforced composition rules provide marginal security benefits while decreasing usability. However, organizations may choose to establish certain rules for password generation (e.g., minimum character length... |
|
V-269802
|
Medium |
The Dell OS10 Switch must obtain its public key certificates from an appropriate certificate policy through an approved service provider. |
For user certificates, each organization obtains certificates from an approved, shared service provider, as required by OMB policy. For federal agencies operating a legacy public key infrastructure cross-certified with the Federal Bridge Certification Authority at medium assurance or higher, this certification authority (CA) will suffice.
Satisfies: SRG-APP-000516-NDM-000344, SRG-APP-000910-NDM-000300
|
|
V-269801
|
Medium |
The Dell OS10 Switch must enforce access restrictions associated with changes to the system components. |
Changes to the hardware or software components of the network device can have significant effects on the overall security of the network. Therefore, only qualified and authorized individuals should be allowed administrative access to the network device for implementing any changes or upgrades. This requirement applies to updates of the... |
|
V-269800
|
Medium |
The Dell OS10 Switch must generate log records for a locally developed list of auditable events. |
Auditing and logging are key components of any security architecture. Logging the actions of specific events provides a means to investigate an attack; to recognize resource usage or capacity thresholds; or to identify an improperly configured network device. If auditing is not comprehensive, it will not be useful for intrusion... |
|
V-269799
|
Medium |
The application must install security-relevant firmware updates within the time period directed by an authoritative source (e.g., IAVM, CTOs, DTMs, and STIGs). |
Security flaws with firmware are discovered daily. Vendors are constantly updating and patching their products to address newly discovered security vulnerabilities. Organizations (including any contractor to the organization) are required to promptly install security-relevant firmware updates. Flaws discovered during security assessments, continuous monitoring, incident response activities, or information system error... |
|
V-269798
|
Medium |
The Dell OS10 Switch must be configured to protect against known types of denial-of-service (DoS) attacks by employing organization-defined security safeguards. |
DoS is a condition when a resource is not available for legitimate users. When this occurs, the organization either cannot accomplish its mission or must operate at degraded capacity.
This requirement addresses the configuration of network devices to mitigate the impact of DoS attacks that have occurred or are ongoing... |
|
V-269795
|
Medium |
The Dell OS10 Switch must prohibit the use of cached authenticators after an organization-defined time period. |
Some authentication implementations can be configured to use cached authenticators.
If cached authentication information is out-of-date, the validity of the authentication information may be questionable.
The organization-defined time period should be established for each device depending on the nature of the device; for example, a device with just a few... |
|
V-269794
|
Medium |
The Dell OS10 Switch must authenticate Network Time Protocol (NTP) sources using authentication that is cryptographically based. |
If NTP is not authenticated, an attacker can introduce a rogue NTP server. This rogue server can then be used to send incorrect time information to network devices, which will make log timestamps inaccurate and affect scheduled actions. NTP authentication is used to prevent this tampering by authenticating the time... |
|
V-269793
|
Medium |
The Dell OS10 Switch must be configured to authenticate SNMP messages using a FIPS-validated Keyed-Hash Message Authentication Code (HMAC). |
Without authenticating devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. Bidirectional authentication provides stronger safeguards to validate the identity of other devices for connections that are of greater risk.
A local connection is any connection with a device communicating without the use of a network. A... |
|
V-269791
|
Medium |
The Dell OS10 Switch must generate an immediate real-time alert of all audit failure events requiring real-time alerts. |
It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required. Without a real-time alert, security personnel may be unaware of an impending failure of the audit capability and system operation may be adversely affected.
Alerts provide... |
|
V-269785
|
Medium |
The Dell OS10 Switch must enforce password complexity by requiring that at least one special 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 resisting attempts at guessing and brute-force attacks.
Password complexity is one factor of several that determine how long it... |
|
V-269784
|
Medium |
The Dell OS10 Switch 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 resisting attempts at guessing and brute-force attacks.
Password complexity is one factor of several that determine how long it... |
|
V-269783
|
Medium |
The Dell OS10 Switch 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 resisting attempts at guessing and brute-force attacks.
Password complexity is one factor of several that determine how long it... |
|
V-269782
|
Medium |
The Dell OS10 Switch must enforce password complexity by requiring that at least one uppercase character be used. |
Use of a complex passwords 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 resisting attempts at guessing and brute-force attacks.
Password complexity is one factor of several that determine how long it... |
|
V-269781
|
Medium |
The Dell OS10 Switch must enforce a minimum 15-character password length. |
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.
The shorter the password, the lower the number... |
|
V-269780
|
Medium |
The Dell OS10 Switch must implement replay-resistant authentication mechanisms for network access to privileged accounts. |
A replay attack may enable an unauthorized user to gain access to the application. Authentication sessions between the authenticator and the application validating the user credentials must not be vulnerable to a replay attack.
An authentication process resists replay attacks if it is impractical to achieve a successful authentication by... |
|
V-269778
|
Medium |
The Dell OS10 Switch must be configured with only one local account to be used as the account of last resort in the event the authentication server is unavailable. |
Authentication for administrative (privileged level) access to the device is always required. An account can be created on the device's local database for use when the authentication server is down or connectivity between the device and the authentication server is not operable. This account is referred to as the account... |
|
V-269775
|
Medium |
The Dell OS10 Switch must prevent the installation of patches, service packs, or application components without verification the software component has been digitally signed using a certificate that is recognized and approved by the organization. |
Changes to any software components can have significant effects on the overall security of the network device. Verifying software components have been digitally signed using a certificate that is recognized and approved by the organization ensures the software has not been tampered with and has been provided by a trusted... |
|
V-269774
|
Medium |
The Dell OS10 Switch must initiate session auditing upon startup. |
If auditing is enabled late in the startup process, the actions of some start-up processes may not be audited. Some audit systems also maintain state information only available if auditing is enabled before a given process is created.
Satisfies: SRG-APP-000092-NDM-000224, SRG-APP-000026-NDM-000208, SRG-APP-000027-NDM-000209, SRG-APP-000028-NDM-000210, SRG-APP-000029-NDM-000211, SRG-APP-000091-NDM-000223, SRG-APP-000095-NDM-000225, SRG-APP-000096-NDM-000226, SRG-APP-000097-NDM-000227, SRG-APP-000098-NDM-000228, SRG-APP-000099-NDM-000229,... |
|
V-269773
|
Medium |
The Dell OS10 Switch must protect against an individual (or process acting on behalf of an individual) falsely denying having performed organization-defined actions to be covered by nonrepudiation. |
This requirement supports nonrepudiation of actions taken by an administrator and is required to maintain the integrity of the configuration management process. All configuration changes to the network device are logged, and administrators authenticate with two-factor authentication before gaining administrative access. Together, these processes will ensure the administrators can be... |
|
V-269772
|
Medium |
The Dell OS10 device must display the Standard Mandatory DOD Notice and Consent Banner before granting access to the device. |
Display of the DOD-approved use notification before granting access to the network device ensures privacy and security notification verbiage used is consistent with applicable federal laws, Executive Orders, directives, policies, regulations, standards, and guidance.
System use notifications are required only for access via logon interfaces with human users.
Satisfies: SRG-APP-000068-NDM-000215,... |
|
V-269771
|
Medium |
The Dell OS10 Switch must be configured to enforce the limit of three consecutive invalid logon attempts, after which time it must block any login attempt for 15 minutes. |
By limiting the number of failed login attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute-forcing, is reduced. |
|
V-269770
|
Medium |
The Dell OS10 Switch must enforce approved authorizations for controlling the flow of management information within the network device based on information flow control policies. |
A mechanism to detect and prevent unauthorized communication flow must be configured or provided as part of the system design. If management information flow is not enforced based on approved authorizations, the network device may become compromised. Information flow control regulates where management information is allowed to travel within a... |
|
V-269768
|
Medium |
The Dell OS10 Switch must limit the number of concurrent sessions to an organization-defined number for each administrator account and/or administrator account type. |
Device management includes the ability to control the number of administrators and management sessions that manage a device. Limiting the number of allowed administrators and sessions per administrator based on account type, role, or access type is helpful in limiting risks related to denial-of-service (DoS) attacks.
This requirement addresses concurrent... |