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XCCDF
Multifunction Device and Network Printers STIG
Multifunction Device and Network Printers STIG
An XCCDF Benchmark
Details
Profiles
Items
Prose
File Metadata
21 rules organized in 21 groups
MFD/Printer Firewall/Router Rule Perimeter
1 Rule
A firewall or router rule must block all ingress and egress traffic from the enclave perimeter to the MFD or Network Printer.
Medium Severity
Access to the MFD or printer from outside the enclave network could lead to a denial of service caused by a large number of large print files being sent to the device. Ability for the MFD or printer to access addresses outside the enclave network could lead to a compromise of sensitive data caused by forwarding a print file to a location outside of the enclave network. This also prevents accidental implementation of a “call-home” feature that is not allowed.
MFD Firmware
1 Rule
The MFD or Network Printer must employ the most current firmware available.
Medium Severity
MFD devices or printers utilizing old firmware can expose the network to known vulnerabilities leading to a denial of service or a compromise of sensitive data. While the MFD must use the most current firmware available, it must not use a “call-home” feature that is not allowed.
MFD SNMP Community Strings
1 Rule
The default passwords and SNMP community strings of all management services have not been replaced with complex passwords.
High Severity
There are many known vulnerabilities in the SNMP protocol and if the default community strings and passwords are not modified an unauthorized individual could gain control of the MFD or printer. This could lead to a denial of service or the compromise of sensitive data. The SA will ensure the default passwords and SNMP community strings of all management services are replaced with complex passwords.
MFD Configuration State After Power Down or Reboot
1 Rule
The MFD or Network Printer must maintain configuration state (e.g., passwords, service settings) after a power down or restart.
High Severity
If the MFD does not maintain it state over a power down or restart, it will expose the network to all of the vulnerabilities that where mitigated by the modifications made to its configuration state. This also prevents accidental implementation of a “call-home” feature that is not allowed.
MFD Management Protocols
1 Rule
Management protocols, with the exception of HTTPS and SNMPv3, must be disabled at all times except when necessary.
Medium Severity
Unneeded protocols expose the device and the network to unnecessary vulnerabilities.
MFD or a printer can be managed from any IP
1 Rule
There is no restriction on where a MFD or a printer can be remotely managed.
High Severity
Since unrestricted access to the MFD or printer for management is not required the restricting the management interface to specific IP addresses decreases the exposure of the system to malicious actions. If the MFD or printer is compromised it could lead to a denial of service or a compromise of sensitive data. The SA will ensure devices can only be remotely managed by SA’s or printer administrators from specific IPs (SA workstations and print spooler).
Print Services Restricted to Port 9100 and/or LPD
1 Rule
Print services for a MFD or printer are not restricted to Port 9100 and/or LPD (Port 515). Where both Windows and non-Windows clients need services from the same device, both Port 9100 and LPD can be enabled simultaneously.
Low Severity
Printer services running on ports other than the known ports for printing cannot be monitored on the network and could lead to a denial of service it the invalid port is blocked by a network administrator responding to an alert from the IDS for traffic on an unauthorized port.
MFD/Printer Restrict Jobs Only From Print Spooler
1 Rule
A MFD or printer is not configured to restrict jobs to those from print spoolers.
Medium Severity
If MFDs or printers are not restricted to accept print jobs only from print spoolers that authenticate the user and log the job, a denial of service can be created by the MFD or printer accepting one or more large print jobs from an unauthorized user. The SA will ensure MFDs and printers are configured to restrict jobs only to print spoolers, not directly from users. Mobile device print jobs must be sent to a print spooler, they must not be sent directly from a mobile device to a MFD or printer that supports direct wireless printing (e.g., AirPrint, Wi-Fi Direct, etc.). The configuration is accomplished by restricting access, by IP, to those of the print spooler and SAs. If supported, IP restriction is accomplished on the device, or if not supported, by placing the device behind a firewall, switch or router with an appropriate discretionary access control list.
MFD Authorized Users Restrictions
1 Rule
Print spoolers are not configured to restrict access to authorized users and restrict users to managing their own individual jobs.
Medium Severity
If unauthorized users are allowed access to the print spooler they can queue large print file creating a denial of service for other users. If users are not restricted to manipulating only files they created, they could create ad denial of service by changing the print order of existing files or deleting other users files. The SA will ensure print spoolers are configured to restrict access to authorized user and restrict users to managing their own individual jobs.
MFD and Spooler Auditing
1 Rule
The devices and their spoolers do not have auditing enabled.
Medium Severity
Without auditing the identification and prosecution of an individual that performs malicious actions is difficult if not impossible.
MFD/Printer Security Policy
1 Rule
Implementation of an MFD and printer security policy for the protection of classified information.
Low Severity
Department of Defense Manual 5200.01, "Protection of Classified Information" provides policy, assigns responsibilities, and provides procedures for the designation, marking, protection, and dissemination of controlled unclassified information (CUI) and classified information. DoDM 5200.01, Volume 3, Section 14 mandates that organizations identify equipment used for classified processing and develop security procedures to safeguard these devices. This requires that each organization have an MFD and printer security policy that lists the following safeguards: a. Prevent unauthorized access to that information, including by repair or maintenance personnel. b. Ensure that repair procedures do not result in unauthorized dissemination of or access to classified information. c. Replace and destroy equipment parts in the appropriate manner when classified information cannot be removed. d. Ensure that appropriately knowledgeable, cleared personnel inspect equipment and associated media used to process classified information before the equipment is removed from protected areas to ensure there is no retained classified information. e. Ensure MFD and printers used to process classified information are certified and accredited in accordance with DoDD 8500.01E. f. Ensure that MFD and printers address issues concerning compromising emanations in accordance with DoDD 8500.01E.
MFD Level of Audit and Reviewing
1 Rule
The level of audit has not been established or the audit logs being collected for the devices and print spoolers are not being reviewed.
Low Severity
If inadequate information is captured in the audit, the identification and prosecution of malicious user will be very difficult. If the audits are not regularly reviewed suspicious activity may go undetected for a long time. Therefore, the level of auditing for MFDs, printers, and print spoolers must be defined and personnel identified to review the audit logs.
MFD Classified Network
1 Rule
MFDs with print, copy, scan, or fax capabilities must be prohibited on classified networks without the approval of the DAA.
High Severity
MFDs with print, copy, scan, or fax capabilities, if compromised, could lead to the compromise of classified data or the compromise of the network. The IAO will ensure MFDs with copy, scan, or fax capabilities are not allowed on classified networks unless approved by the DAA.
MFD Clearing Disk Space Scan to Disk
1 Rule
A MFD device, with scan to hard disk functionality used, is not configured to clear the hard disk between jobs.
Medium Severity
If the MFD is compromised the un-cleared, previously used, space on the hard disk drive can be read which can lead to a compromise of sensitive data. The SA will ensure the device is configured to clear the hard disk between jobs if scan to hard disk functionality is used.
MFD Scan Discretionary Access Control
1 Rule
Scan to a file share is enabled but the file shares do not have the appropriate discretionary access control list in place.
Low Severity
Without appropriate discretionary access controls unauthorized individuals may read the scanned data. This can lead to a compromise of sensitive data. The SA will ensure file shares have the appropriate discretionary access control list in place if scan to a file share is enabled.
MFD fax from network auditing
1 Rule
Auditing of user access and fax logs must be enabled when fax from the network is enabled.
Low Severity
Without auditing the originator and destination of a fax cannot be determined. Prosecuting of an individual who maliciously compromises sensitive data via a fax will be hindered without audits. The SA will ensure auditing of user access and fax logging is enabled if fax from the network is enabled.
MFD scan to SMTP (email)
1 Rule
MFDs must not allow scan to SMTP (email).
Medium Severity
The SMTP engines found on the MFDs reviewed when writing the MFD STIG did not have robust enough security features supporting scan to email. Because of the lack of robust security, scan to email will be disabled on MFD devices. Failure to disable this feature could lead to an untraceable and possibly undetectable compromise of sensitive data. The SA will ensure MFDs do not allow scan to SMTP.
MFD Hard Drive Lock
1 Rule
A MFD device does not have a mechanism to lock and prevent access to the hard drive.
Medium Severity
If the hard disk drive of a MFD can be removed from the MFD the data on the drive can be recovered and read. This can lead to a compromise of sensitive data. The IAO will ensure the device has a mechanism to lock and prevent access to the hard disk.
MFD/Printer Global Configuration Settings
1 Rule
The device is not configured to prevent non-printer administrators from altering the global configuration of the device.
High Severity
If unauthorized users can alter the global configuration of the MFD they can remove all security. This can lead to the compromise of sensitive data or the compromise of the network the MFD is attached to.
MFD03.002
1 Rule
The MFD must be configured to prohibit the use of all unnecessary and/or nonsecure functions, physical and logical ports, protocols, and/or services.
Medium Severity
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 unused or unnecessary physical and logical ports/protocols on information systems. MFDs 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. Additionally, it is sometimes convenient to provide multiple services from a single component (e.g., email and web services); however, doing so increases risk over limiting the services provided by any one component. To support the requirements and principles of least functionality, the MFD must support the organizational requirements providing only essential capabilities and limiting the use of ports, protocols, and/or services to only those required, authorized, and approved. Some network devices have capabilities enabled by default; if these capabilities are not necessary, they must be disabled. If a particular capability is used, then it must be documented and approved.
MFD Protocol TCP/IP
1 Rule
The MFD or Network Printer must not enable network protocols other than TCP/IP.
Medium Severity
The greater the number of protocols allowed active on the network the more vulnerabilities there will be available to be exploited. This also prevents accidental implementation of a “call-home” feature that is not allowed.