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Microsoft OneDrive for Business 2016 Security Technical Implementation Guide

Version 1 Release 31
2020-04-242016-11-14
U_MSicrosoft_OneDrive_for_Business_2016_STIG_V1R31_Manual-xccdf.xml
The Microsoft OneDrive for Business 2016 Security Technical Implementation Guide (STIG) is published as a tool to improve the security of Department of Defense (DoD) information systems. The requirements are derived from the NIST 800-53 and related documents. Comments or proposed revisions to this document should be sent via e-mail to the following address: disa.stig_spt@mail.mil.

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Vulnerabilities (13)

Users must be prevented from using the remote fetch feature to access files on the machine (32 bit).

Finding ID
DTOO602
Rule ID
SV-85947r2_rule85947r1_rule
Severity
Cat II
CCE
(None)
Group Title
SRG-APP-000516
CCI
CCI-000366
Target Key
(None)
Documentable
No
Discussion

This setting will prevent users from going to onedrive.com to use the remote fetch feature to browse the file system of the machine (a feature supported on OneDrive running on Windows with the exception of Windows 8.1). This setting is for machines running 32-bit versions of Windows.

Fix Text

Set the policy value for Computer Configuration -> Administrative Templates -> OneDrive -> "Prevent users from using the remote fetch feature to access files on the machine (32-bit)" to "Enabled".

Check Content

Note: It is important to load the OneDrive ADMX/L templates under the DISA GPO Baseline Package under the ADMX Templates\OneDrive NextGen in order to view and set the settings appropriately. The DISA GPO Baseline Package can be downloaded from the DoD Cyber Exchange. Verify the policy value for Computer Configuration -> Administrative Templates -> OneDrive -> "Prevent users from using the remote fetch feature to access files on the machine (32-bit)" is set to "Enabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Microsoft\OneDrive\Remote Access Criteria: If the value GPOEnabled is REG_DWORD = 1, this is not a finding.

Users must be prevented from using the remote fetch feature to access files on the machine (64 bit).

Finding ID
DTOO603
Rule ID
SV-85951r2_rule85951r1_rule
Severity
Cat II
CCE
(None)
Group Title
SRG-APP-000516
CCI
CCI-000366
Target Key
(None)
Documentable
No
Discussion

This setting will prevent users from going to onedrive.com to use the remote fetch feature to browse the file system of the machine (a feature supported on OneDrive running on Windows with the exception of Windows 8.1). This setting is for machines running 64-bit versions of Windows.

Fix Text

Set the policy value for Computer Configuration -> Administrative Templates -> OneDrive -> "Prevent users from using the remote fetch feature to access files on the machine (64-bit)" to "Enabled".

Check Content

Note: It is important to load the OneDrive ADMX/L templates under the DISA GPO Baseline Package under the ADMX Templates\OneDrive NextGen in order to view and set the settings appropriately. The DISA GPO Baseline Package can be downloaded from the DoD Cyber Exchange. Verify the policy value for Computer Configuration -> Administrative Templates -> OneDrive -> "Prevent users from using the remote fetch feature to access files on the machine (64-bit)" is set to "Enabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Wow6432Node\Microsoft\OneDrive\Remote Access Criteria: If the value GPOEnabled is REG_DWORD = 1, this is not a finding.

Users must be prevented from configuring personal OneDrive accounts.

Finding ID
DTOO604
Rule ID
SV-85955r3_rule85955r1_rule
Severity
Cat II
CCE
(None)
Group Title
SRG-APP-000516
CCI
CCI-000366
Target Key
(None)
Documentable
No
Discussion

This policy setting allows you to prevent users from configuring a personal OneDrive account on the machine. If users had previously added a personal OneDrive account to the machine they will be shown an error the next time that they start the client.

Fix Text

Set the policy value for UserComputer Configuration -> Administrative Templates -> OneDrive -> "Prevent users from configuring personal OneDrive acccounts" to "Enabled".

Check Content

Note: It is important to load the OneDrive ADMX/L templates under the DISA GPO Baseline Package under the ADMX Templates\OneDrive NextGen in order to view and set the settings appropriately. The DISA GPO Baseline Package can be downloaded from the DoD Cyber Exchange. Verify the policy value for User Configuration -> Administrative Templates -> OneDrive -> "Prevent users from configuring personal OneDrive accounts" is set to "Enabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\SOFTWARE\Microsoft\OneDrive Criteria: If the value DisablePersonalSync is REG_DWORD = 1, this is not a finding.

Disabling of user name and password syntax from being used in URLs must be enforced.

Finding ID
DTOO104
Rule ID
SV-85921r1_rule
Severity
Cat II
CCE
(None)
Group Title
SRG-APP-000210
CCI
CCI-001170
Target Key
(None)
Documentable
No
Discussion

The Uniform Resource Locator (URL) standard allows user authentication to be included in URL strings in the form http://username:password@example.com. A malicious user might use this URL syntax to create a hyperlink that appears to open a legitimate website but actually opens a deceptive (spoofed) website. For example, the URL http://www.wingtiptoys.com@example.com appears to open http://www.wingtiptoys.com but actually opens http://example.com. To protect users from such attacks, Internet Explorer usually blocks any URLs using this syntax. This functionality can be controlled separately for instances of Internet Explorer spawned by Office applications (for example, if a user clicks a link in an Office document or selects a menu option that loads a website). If user names and passwords in URLs are allowed, users could be diverted to dangerous Web pages, which could pose a security risk.

Fix Text

Set the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Disable user name and password" to "Enabled" and place a check in the 'groove.exe' check box.

Check Content

Verify the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Disable user name and password" is set to "Enabled" and 'groove.exe' is checked. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_HTTP_USERNAME_PASSWORD_DISABLE Criteria: If the value groove.exe is REG_DWORD = 1, this is not a finding.

Enabling IE Bind to Object functionality must be present.

Finding ID
DTOO111
Rule ID
SV-85925r1_rule
Severity
Cat II
CCE
(None)
Group Title
SRG-APP-000112
CCI
CCI-001695
Target Key
(None)
Documentable
No
Discussion

Internet Explorer performs a number of safety checks before initializing an ActiveX control. It will not initialize a control if the kill bit for the control is set in the registry, or if the security settings for the zone in which the control is located do not allow it to be initialized. This functionality can be controlled separately for instances of Internet Explorer spawned by Office applications (for example, if a user clicks a link in an Office document or selects a menu option that loads a web page). A security risk could occur if potentially dangerous controls are allowed to load.

Fix Text

Set the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Bind to Object" to "Enabled" and place a check in the 'groove.exe' check box.

Check Content

Verify the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Bind to Object" is set to "Enabled" and 'groove.exe' is checked. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_SAFE_BINDTOOBJECT Criteria: If the value groove.exe is REG_DWORD = 1, this is not a finding.

Saved from URL mark to assure Internet zone processing must be enforced.

Finding ID
DTOO117
Rule ID
SV-85927r1_rule
Severity
Cat II
CCE
(None)
Group Title
SRG-APP-000210
CCI
CCI-001170
Target Key
(None)
Documentable
No
Discussion

Typically, when Internet Explorer loads a web page from a Universal Naming Convention (UNC) share that contains a Mark of the Web (MOTW) comment, indicating the page was saved from a site on the Internet, Internet Explorer runs the page in the Internet security zone instead of the less restrictive Local Intranet security zone. This functionality can be controlled separately for instances of Internet Explorer spawned by Office applications (for example, if a user clicks a link in an Office document or selects a menu option that loads a web page). If Internet Explorer does not evaluate the page for a MOTW, potentially dangerous code could be allowed to run.

Fix Text

Set the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Saved from URL" to "Enabled" and place a check in the 'groove.exe' check box.

Check Content

Verify the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Saved from URL" is set to "Enabled" and 'groove.exe' is checked. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_UNC_SAVEDFILECHECK Criteria: If the value groove.exe is REG_DWORD = 1, this is not a finding.

Navigation to URLs embedded in Office products must be blocked.

Finding ID
DTOO123
Rule ID
SV-85929r1_rule
Severity
Cat II
CCE
(None)
Group Title
SRG-APP-000210
CCI
CCI-001170
Target Key
(None)
Documentable
No
Discussion

To protect users from attacks, Internet Explorer usually does not attempt to load malformed URLs. This functionality can be controlled separately for instances of Internet Explorer spawned by Office applications (for example, if a user clicks a link in an Office document or selects a menu option that loads a web page). If Internet Explorer attempts to load a malformed URL, a security risk could occur.

Fix Text

Set the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Navigate URL" to "Enabled" and place a check in the 'groove.exe' check box.

Check Content

Verify the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Navigate URL" is set to "Enabled" and 'groove.exe' is checked. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_VALIDATE_NAVIGATE_URL Criteria: If the value groove.exe is REG_DWORD = 1, this is not a finding.

Scripted Window Security must be enforced.

Finding ID
DTOO124
Rule ID
SV-85933r1_rule
Severity
Cat II
CCE
(None)
Group Title
SRG-APP-000112
CCI
CCI-001695
Target Key
(None)
Documentable
No
Discussion

Malicious websites often try to confuse or trick users into giving a site permission to perform an action allowing the site to take control of the users' computers in some manner. Disabling or not configuring this setting allows unknown websites to: -Create browser windows appearing to be from the local operating system. -Draw active windows displaying outside of the viewable areas of the screen capturing keyboard input. -Overlay parent windows with their own browser windows to hide important system information, choices or prompts.

Fix Text

Set the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Scripted Window Security Restrictions" to "Enabled" and place a check in the 'groove.exe' check box.

Check Content

Verify the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Scripted Window Security Restrictions" is set to "Enabled" and 'groove.exe' is checked. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_WINDOW_RESTRICTIONS Criteria: If the value groove.exe is REG_DWORD = 1, this is not a finding.

Add-on Management functionality must be allowed.

Finding ID
DTOO126
Rule ID
SV-85935r1_rule
Severity
Cat II
CCE
(None)
Group Title
SRG-APP-000207
CCI
CCI-001662
Target Key
(None)
Documentable
No
Discussion

Internet Explorer add-ons are pieces of code, run in Internet Explorer, to provide additional functionality. Rogue add-ons may contain viruses or other malicious code. Disabling or not configuring this setting could allow malicious code or users to become active on user computers or the network. For example, a malicious user can monitor and then use keystrokes users type into Internet Explorer. Even legitimate add-ons may demand resources, compromising the performance of Internet Explorer, and the operating systems for user computers.

Fix Text

Set the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Add-on Management" to "Enabled" and place a check in the 'groove.exe' check box.

Check Content

Verify the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Add-on Management" is set to "Enabled" and 'groove.exe' is checked. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_ADDON_MANAGEMENT Criteria: If the value groove.exe is REG_DWORD = 1, this is not a finding.

Links that invoke instances of Internet Explorer from within an Office product must be blocked.

Finding ID
DTOO129
Rule ID
SV-85937r1_rule
Severity
Cat II
CCE
(None)
Group Title
SRG-APP-000207
CCI
CCI-001662
Target Key
(None)
Documentable
No
Discussion

The Pop-up Blocker feature in Internet Explorer can be used to block most unwanted pop-up and pop-under windows from appearing. This functionality can be controlled separately for instances of Internet Explorer spawned by Office applications (for example, if a user clicks a link in an Office document or selects a menu option that loads a web page). If the Pop-up Blocker is disabled, disruptive and potentially dangerous pop-up windows could load and present a security risk.

Fix Text

Set the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Block popups" to "Enabled" and place a check in the 'groove.exe' check box.

Check Content

Verify the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Block popups" is set to "Enabled" and 'groove.exe' is checked. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_WEBOC_POPUPMANAGEMENT Criteria: If the value groove.exe is REG_DWORD = 1, this is not a finding.

File Downloads must be configured for proper restrictions.

Finding ID
DTOO132
Rule ID
SV-85941r1_rule
Severity
Cat II
CCE
(None)
Group Title
SRG-APP-000209
CCI
CCI-001169
Target Key
(None)
Documentable
No
Discussion

Disabling this setting allows websites to present file download prompts via code without the user specifically initiating the download. User preferences may also allow the download to occur without prompting or interaction with the user. Even if Internet Explorer prompts the user to accept the download, some websites abuse this functionality. Malicious websites may continually prompt users to download a file or present confusing dialog boxes to trick users into downloading or running a file. If the download occurs and it contains malicious code, the code could become active on user computers or the network.

Fix Text

Set the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Restrict File Download" to "Enabled" and place a check in the 'groove.exe' check box.

Check Content

Verify the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Restrict File Download" is set to "Enabled" and 'groove.exe' is checked. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_RESTRICT_FILEDOWNLOAD Criteria: If the value of groove.exe is REG_DWORD = 1, this is not a finding.

Protection from zone elevation must be enforced.

Finding ID
DTOO209
Rule ID
SV-85943r1_rule
Severity
Cat II
CCE
(None)
Group Title
SRG-APP-000112
CCI
CCI-001695
Target Key
(None)
Documentable
No
Discussion

Internet Explorer places restrictions on each web page users can use the browser to open. Web pages on a user's local computer have the fewest security restrictions and reside in the Local Machine zone, making this security zone a prime target for malicious users and code. Disabling or not configuring this setting could allow pages in the Internet zone to navigate to pages in the Local Machine zone to then run code to elevate privileges. This could allow malicious code or users to become active on user computers or the network.

Fix Text

Set the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Protection From Zone Elevation" to "Enabled" and place a check in the 'groove.exe' check box.

Check Content

Verify the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Protection From Zone Elevation" is set to "Enabled" and 'groove.exe' is checked. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_ZONE_ELEVATION Criteria: If the value groove.exe is REG_DWORD = 1, this is not a finding.

ActiveX Installs must be configured for proper restriction.

Finding ID
DTOO211
Rule ID
SV-85945r1_rule
Severity
Cat II
CCE
(None)
Group Title
SRG-APP-000488
CCI
CCI-002460
Target Key
(None)
Documentable
No
Discussion

Microsoft ActiveX controls allow unmanaged, unprotected code to run on the user computers. ActiveX controls do not run within a protected container in the browser like the other types of HTML or Microsoft Silverlight-based controls. Disabling or not configuring this setting does not block prompts for ActiveX control installations, and these prompts display to users. This could allow malicious code to become active on user computers or the network.

Fix Text

Set the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Restrict ActiveX Install" to "Enabled" and place a check in the 'groove.exe' check box.

Check Content

Verify the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Restrict ActiveX Install" is set to "Enabled" and 'groove.exe' is checked. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_RESTRICT_ACTIVEXINSTALL Criteria: If the value groove.exe is REG_DWORD = 1, this is not a finding.