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Microsoft InfoPath 2013 STIG

V1R3 · · · Released 24 Jul 2015 · 24 rules
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The Microsoft InfoPath 2013 Security Technical Implementation Guide (STIG) is published as a tool to improve the security of Department of Defense (DoD) information systems. Comments or proposed revisions to this document should be sent via e-mail to the following address: disa.stig_spt@mail.mil.
Digest of Updates vs. V1R1 · 06 Dec 2013 ✎ 1

Comparison against the immediately-prior release (V1R1). Rule matching uses the Group Vuln ID. Content-change detection compares the rule’s description, check, and fix text after stripping inline markup — cosmetic-only edits aren’t flagged.

Content changes 1

  • V-17471 Medium check All automatic loading from Trusted Locations must be disabled.
Sort by
b
Trust Bar Notifications for unsigned application add-ins must be blocked.
Medium - V-17187 - SV-53331r1_rule
RMF Control
Severity
M
CCI
Version
DTOO131
Vuln IDs
  • V-17187
Rule IDs
  • SV-53331r1_rule
If an application is configured to require all add-ins to be signed by a trusted publisher, any unsigned add-ins the application loads will be disabled and the application will display the Trust Bar at the top of the active window. The Trust Bar contains a message informing users about the unsigned add-in. If a user is allowed to make the determination to allow an unsigned add-in, it increases the risk of malicious code being introduced onto the user's computer or the network.System AdministratorInformation Assurance OfficerECSC-1
Checks: C-47611r1_chk

The policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> Security -> Trust Center "Disable Trust Bar Notification for unsigned application add-ins" must be "Enabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\15.0\InfoPath\security Criteria: If the value NoTBPromptUnsignedAddin is REG_DWORD = 1, this is not a finding.

Fix: F-46260r1_fix

Set the policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> Security -> Trust Center "Disable Trust Bar Notification for unsigned application add-ins" to "Enabled".

b
All automatic loading from Trusted Locations must be disabled.
Medium - V-17471 - SV-53333r2_rule
RMF Control
Severity
M
CCI
Version
DTOO133
Vuln IDs
  • V-17471
Rule IDs
  • SV-53333r2_rule
Trusted locations specified in the Trust Center are used to define file locations assumed to be safe. Content, code, and add-ins are allowed to load from trusted locations with a minimal amount of security, without prompting the users for permission. If a dangerous file is opened from a trusted location, it will not be subject to standard security measures and could harm users' computers or data. By default, files located in trusted locations (those specified in the Trust Center) are assumed to be safe.System AdministratorInformation Assurance OfficerECSC-1
Checks: C-47612r2_chk

The policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> Security -> Trust Center "Disable all trusted locations" must be set to "Enabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\15.0\InfoPath\security\trusted locations Criteria: If the value AllLocationsDisabled is REG_DWORD = 1, this is not a finding.

Fix: F-46262r1_fix

Set the policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> Security -> Trust Center "Disable all trusted locations" to "Enabled".

b
Redirection behavior for upgraded web sites by SharePoint must be blocked.
Medium - V-17576 - SV-53337r1_rule
RMF Control
Severity
M
CCI
Version
DTOO157
Vuln IDs
  • V-17576
Rule IDs
  • SV-53337r1_rule
InfoPath automatically redirects user requests for sites that have not been upgraded to the temporary URL if it is located on the local intranet, but blocks them if the temporary URL is located elsewhere. InfoPath will prompt users before redirecting forms or form templates to another intranet site. If this restriction is relaxed, all requests to sites that have not been upgraded will be redirected to their targets, regardless of location. This functionality could cause requests made to a secure site to be redirected to an unsecured one (for example, requests to an intranet site could be redirected to an unencrypted Internet site), causing sensitive information to be at risk.System AdministratorInformation Assurance OfficerECSC-1
Checks: C-47614r1_chk

The policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> Security -> "Control behavior for Microsoft SharePoint Foundation gradual upgrade" must be set to "Enabled (Block all redirections)". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\15.0\InfoPath\security Criteria: If the value GradualUpgradeRedirection is REG_DWORD = 2, this is not a finding.

Fix: F-46267r1_fix

Set the policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> Security -> "Control behavior for Microsoft SharePoint Foundation gradual upgrade" to "Enabled (Block all redirections)".

b
Opening behavior for Email forms containing code or scripts must be controlled.
Medium - V-17580 - SV-53362r1_rule
RMF Control
Severity
M
CCI
Version
DTOO167
Vuln IDs
  • V-17580
Rule IDs
  • SV-53362r1_rule
InfoPath notifies and prompts users before opening InfoPath email forms that contain code or script. If this restriction is relaxed, InfoPath will open email forms that contain code or script without prompting users, which could allow malicious code to run on the users' computers.System AdministratorInformation Assurance OfficerECSC-1
Checks: C-47622r1_chk

The policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> InfoPath e-mail forms "Control behavior when opening InfoPath e-mail forms containing code or script" must be set to "Enabled (Prompt before running)". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\15.0\InfoPath\security Criteria: If the value EMailFormsRunCodeAndScript is REG_DWORD = 1, this is not a finding.

Fix: F-46290r1_fix

Set the policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> InfoPath e-mail forms "Control behavior when opening InfoPath e-mail forms containing code or script" to "Enabled (Prompt before running)".

b
Email with InfoPath forms must be configured to show UI to recipients.
Medium - V-17611 - SV-53384r1_rule
RMF Control
Severity
M
CCI
Version
DTOO176
Vuln IDs
  • V-17611
Rule IDs
  • SV-53384r1_rule
Malicious users could send InfoPath email forms with embedded web beacons that can be used to track when recipients open the form and provide confirmation that recipients' email addresses are valid. Additional information gathered by the form or information entered by users could also be sent to an external server and leave the users vulnerable to additional attacks. By default, InfoPath users are only warned of a beaconing threat if the form originates from the Internet.System AdministratorInformation Assurance OfficerECSC-1
Checks: C-47629r1_chk

The policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> Miscellaneous "Email Forms Beaconing UI" must be set to "Enabled (Always show UI)". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\15.0\InfoPath\security Criteria: If the value EmailFormsBeaconingUI is REG_DWORD = 1, this is not a finding.

Fix: F-46308r1_fix

Set the policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> Miscellaneous "Email Forms Beaconing UI" to "Enabled (Always show UI)".

b
Disable dynamic caching of the form template in InfoPath eMail forms.
Medium - V-17654 - SV-53378r1_rule
RMF Control
Severity
M
CCI
Version
DTOO169
Vuln IDs
  • V-17654
Rule IDs
  • SV-53378r1_rule
By default, InfoPath 2007 caches form templates when they are attached to a mail item that is recognized as an InfoPath e-mail form. When users fill out forms that open with a restricted security level, InfoPath uses the cached version of the mailed template, rather than any published version. To circumvent users filling out a published form, an attacker could e-mail an alternate version of the form, which would return the data to the sender as part of a phishing attack and could be used to gain access to confidential information. System AdministratorInformation Assurance OfficerECSC-1
Checks: C-47624r1_chk

The policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> InfoPath e-mail forms "Disable dynamic caching of the form template in InfoPath e-mail forms" must be set to "Enabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\15.0\InfoPath\deployment Criteria: If the value CacheMailXSN is REG_DWORD = 0, this is not a finding.

Fix: F-46302r1_fix

Set the policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> InfoPath e-mail forms "Disable dynamic caching of the form template in InfoPath e-mail forms" to "Enabled".

b
Disabling of email forms from the Full Trust Security Zone must be configured.
Medium - V-17655 - SV-53383r1_rule
RMF Control
Severity
M
CCI
Version
DTOO173
Vuln IDs
  • V-17655
Rule IDs
  • SV-53383r1_rule
InfoPath provides three security levels for form templates: Restricted, Domain, and Full Trust. The security levels determine whether a form template can access data on other domains, or access files and settings on your computer. Fully trusted forms have a Full Trust security level, and can access files and settings on users' computers. The form template for these forms must be digitally signed with a trusted root certificate, or installed on users' computers. By default, InfoPath can open email forms with full trust. If an attacker designs and sends a dangerous fully trusted email form, it could affect users' computers or give the attacker access to sensitive information.System AdministratorInformation Assurance OfficerECSC-1
Checks: C-47628r1_chk

The policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> InfoPath e-mail forms "Disable e-mail forms from the Full Trust security zone" must be set to "Enabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\15.0\InfoPath\security Criteria: If the value EnableFullTrustEmailForms is REG_DWORD = 0, this is not a finding.

Fix: F-46307r1_fix

Set the policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> InfoPath e-mail forms "Disable e-mail forms from the Full Trust security zone" to "Enabled".

b
Disabling email forms from the Internet Security Zone must be configured.
Medium - V-17656 - SV-53382r1_rule
RMF Control
Severity
M
CCI
Version
DTOO172
Vuln IDs
  • V-17656
Rule IDs
  • SV-53382r1_rule
InfoPath email forms can be designed by an external attacker and sent over the Internet as part of a phishing attempt. Users might fill out such forms and provide sensitive information to the attacker. By default, forms that originate from the Internet can be opened, although those forms cannot access content stored in a different domain.System AdministratorInformation Assurance OfficerECSC-1
Checks: C-47627r1_chk

The policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> InfoPath e-mail forms "Disable e-mail forms from the Internet security zone" must be set to "Enabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\15.0\InfoPath\security Criteria: If the value EnableInternetEMailForms is REG_DWORD = 0, this is not a finding.

Fix: F-46306r1_fix

Set the policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> InfoPath e-mail forms "Disable e-mail forms from the Internet security zone" to "Enabled".

b
Disabling email forms running in Restricted Security Level must be configured.
Medium - V-17657 - SV-53381r1_rule
RMF Control
Severity
M
CCI
Version
DTOO171
Vuln IDs
  • V-17657
Rule IDs
  • SV-53381r1_rule
InfoPath forms running with the restricted security level, can only access data stored on the forms. However, a malicious user could still send an email form running with the restricted security level, in an attempt to access sensitive information provided by users. By default InfoPath email forms running with the restricted security level can be opened.System AdministratorInformation Assurance OfficerECSC-1
Checks: C-47626r1_chk

The policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> InfoPath e-mail forms "Disable e-mail forms running in restricted security level" must be set to "Enabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\15.0\InfoPath\security Criteria: If the value EnableRestrictedEMailForms is REG_DWORD = 0, this is not a finding.

Fix: F-46305r1_fix

Set the policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> InfoPath e-mail forms "Disable e-mail forms running in restricted security level" to "Enabled".

b
Disabling of Fully Trusted Solutions access to computers must be configured.
Medium - V-17658 - SV-53353r1_rule
RMF Control
Severity
M
CCI
Version
DTOO159
Vuln IDs
  • V-17658
Rule IDs
  • SV-53353r1_rule
InfoPath users can choose whether to allow trusted forms to run on their computers. The Full Trust security level allows a form to access local system resources, such as COM components or files on users' computers, and suppresses certain security prompts. It can only be used with forms that are installed on users' computers or with forms using a form template that is digitally signed with a trusted root certificate. As with any security model that allows trusted entities to operate with fewer security controls, if a form with malicious content is marked as fully trusted it could be used to compromise information security or affect users' computers.System AdministratorInformation Assurance OfficerECSC-1
Checks: C-47618r1_chk

The policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> Security -> "Disable fully trusted solutions full access to computer" must be set to "Enabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\15.0\InfoPath\security Criteria: If the value RunFullTrustSolutions is REG_DWORD = 0, this is not a finding.

Fix: F-46280r1_fix

Set the policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> Security -> "Disable fully trusted solutions full access to computer" to "Enabled".

b
Disabling the opening of solutions from the Internet Security Zone must be configured.
Medium - V-17663 - SV-53340r1_rule
RMF Control
Severity
M
CCI
Version
DTOO158
Vuln IDs
  • V-17663
Rule IDs
  • SV-53340r1_rule
Attackers could use InfoPath solutions published to Internet Web sites to try to obtain sensitive information from users. By default, users can open InfoPath solutions that do not contain managed code from sources located in the Internet security zone as defined in the Internet Options dialog box in Internet Explorer.System AdministratorInformation Assurance OfficerECSC-1
Checks: C-47615r1_chk

The policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> Security -> "Disable opening of solutions from the Internet security zone" must be set to "Enabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\15.0\InfoPath\security Criteria: If the value AllowInternetSolutions is REG_DWORD = 0, this is not a finding.

Fix: F-46268r1_fix

Set the policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> Security -> "Disable opening of solutions from the Internet security zone" to "Enabled".

b
Disabling sending form templates with the email forms must be configured.
Medium - V-17667 - SV-53366r1_rule
RMF Control
Severity
M
CCI
Version
DTOO168
Vuln IDs
  • V-17667
Rule IDs
  • SV-53366r1_rule
InfoPath allows users to attach form templates when sending email forms. If users are able to open form templates included with email forms, rather than using a cached version that is previously published, an attacker could send a malicious form template with the email form in an attempt to gain access to sensitive information. Note: The form template is only opened directly if the form opens with a restricted security level. Otherwise, the attachment is actually a link to the published location.System AdministratorInformation Assurance OfficerECSC-1
Checks: C-47623r1_chk

The policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> InfoPath e-mail forms "Disable sending form template with e-mail forms" must be set to "Enabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\15.0\InfoPath\deployment Criteria: If the value MailXSNwithXML is REG_DWORD = 0, this is not a finding.

Fix: F-46292r1_fix

Set the policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> InfoPath e-mail forms "Disable sending form template with e-mail forms" to "Enabled".

b
InfoPath 2003 forms as email forms in InfoPath 2013 must be disallowed.
Medium - V-17668 - SV-53379r1_rule
RMF Control
Severity
M
CCI
Version
DTOO170
Vuln IDs
  • V-17668
Rule IDs
  • SV-53379r1_rule
An attacker might target InfoPath 2003 forms to try and compromise an organization's security. InfoPath 2003 did not write a published location for email forms, which means forms could open without a corresponding published location. By default, InfoPath sends all forms via email using InfoPath email forms integration, including forms created using the InfoPath 2003 file format.System AdministratorInformation Assurance OfficerECSC-1
Checks: C-47625r1_chk

The policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> InfoPath e-mail forms "Disable sending InfoPath 2003 Forms as e-mail forms" must be set to "Enabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\15.0\InfoPath Criteria: If the value DisableInfoPath2003EmailForms is REG_DWORD = 1, this is not a finding.

Fix: F-46303r1_fix

Set the policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> InfoPath e-mail forms "Disable sending InfoPath 2003 Forms as e-mail forms" to "Enabled".

b
Beaconing UI shown for opened forms must be configured.
Medium - V-17745 - SV-53357r1_rule
RMF Control
Severity
M
CCI
Version
DTOO164
Vuln IDs
  • V-17745
Rule IDs
  • SV-53357r1_rule
Malicious users can create InfoPath forms with embedded Web beacons that can be used to contact an external server when the user opens the form. Information could be gathered by the form, or information entered by users could be sent to an external server and cause them to be vulnerable to additional attacks. By default, InfoPath warns users about potential Web beaconing threats.System AdministratorInformation Assurance OfficerECSC-1
Checks: C-47620r1_chk

The policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> Security -> "Beaconing UI for forms opened in InfoPath" must be set to "Enabled (Always show beaconing UI)". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\15.0\InfoPath\security Criteria: If the value InfoPathBeaconingUI is REG_DWORD = 1, this is not a finding.

Fix: F-46284r1_fix

Set the policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> Security -> "Beaconing UI for forms opened in InfoPath" to "Enabled (Always show beaconing UI)".

b
Beaconing of UI forms with ActiveX controls must be enforced.
Medium - V-17746 - SV-53359r1_rule
RMF Control
Severity
M
CCI
Version
DTOO165
Vuln IDs
  • V-17746
Rule IDs
  • SV-53359r1_rule
InfoPath makes it possible to host InfoPath forms in other applications as ActiveX controls. Such controls are known as InfoPath form controls. A malicious user could insert a web beacon into one of these controls which could be used to contact an external server when the user opens the form. Information could be gathered by the form, or information entered by users could be sent to an external server and expose the internal systems to additional attacks. By default, InfoPath form controls warn users about potential web beaconing threats.System AdministratorInformation Assurance OfficerECSC-1
Checks: C-47621r1_chk

The policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> Security -> "Beaconing UI for forms opened in InfoPath Filler ActiveX" must be set to "Enabled (Always show beaconing UI)". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\15.0\InfoPath\security Criteria: If the value EditorActiveXBeaconingUI is REG_DWORD = 1, this is not a finding.

Fix: F-46287r1_fix

Set the policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> Security -> "Beaconing UI for forms opened in InfoPath Filler ActiveX" to "Enabled (Always show beaconing UI)".

b
Offline Mode capability to cache queries for offline mode must be configured.
Medium - V-17758 - SV-53335r2_rule
RMF Control
Severity
M
CCI
Version
DTOO156
Vuln IDs
  • V-17758
Rule IDs
  • SV-53335r2_rule
InfoPath can function in online mode or offline mode. It can also cache queries for use in offline mode. If offline mode is used and cached queries are enabled, sensitive information contained in the cache could be at risk. By default, InfoPath is in online mode, but offline mode is available to users. Users can also cache queries for use in offline mode.System AdministratorInformation Assurance OfficerECSC-1
Checks: C-47613r2_chk

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> InfoPath Options -> Advanced -> Offline "Offline Mode status" is set to "Enabled (Enabled, InfoPath not in Offline Mode)". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\15.0\InfoPath\editor\offline Criteria: If the value CachedModeStatus is REG_DWORD = 2, this is not a finding.

Fix: F-46265r1_fix

Set the policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> InfoPath Options -> Advanced -> Offline "Offline Mode status" to "Enabled (Enabled, InfoPath not in Offline Mode)".

b
Unsafe file types must be prevented from being attached to InfoPath forms.
Medium - V-17764 - SV-53355r1_rule
RMF Control
Severity
M
CCI
Version
DTOO160
Vuln IDs
  • V-17764
Rule IDs
  • SV-53355r1_rule
Users can attach any type of file to forms except potentially unsafe files that might contain viruses, such as .bat or .exe files. For the full list of file types that InfoPath disallows by default, see "Security Details" in Insert a file attachment control on the Microsoft Office Online website. If unsafe file types are added to InfoPath forms, they might be used as a means of attacking the computer on which the form is opened. These unsafe file types may include active content, or may introduce other vulnerabilities that an attacker can exploit.System AdministratorInformation Assurance OfficerECSC-1
Checks: C-47619r1_chk

The policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> Security -> "Prevent users from allowing unsafe file types to be attached to forms" must be set to "Enabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\15.0\InfoPath\security Criteria: If the value DisallowAttachmentCustomization is REG_DWORD = 1, this is not a finding.

Fix: F-46282r1_fix

Set the policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> Security -> "Prevent users from allowing unsafe file types to be attached to forms" to "Enabled".

b
Add-ins to Office applications must be signed by a Trusted Publisher.
Medium - V-26589 - SV-53328r1_rule
RMF Control
Severity
M
CCI
Version
DTOO127
Vuln IDs
  • V-26589
Rule IDs
  • SV-53328r1_rule
Office 2013 applications do not check the digital signature on application add-ins before opening them. Disabling or not configuring this setting may allow an application to load a dangerous add-in. As a result, malicious code could become active on user computers or the network.System AdministratorInformation Assurance OfficerECSC-1
Checks: C-47610r1_chk

The policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> Security -> Trust Center "Require that application add-ins are signed by Trusted Publisher" must be set to "Enabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\15.0\InfoPath\security Criteria: If the value RequireAddinSig is REG_DWORD = 1, this is not a finding.

Fix: F-46258r1_fix

Set the policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> Security -> Trust Center "Require that application add-ins are signed by Trusted Publisher" to "Enabled".

b
InfoPath must be enforced to not use email forms from the Intranet security zone.
Medium - V-26618 - SV-53385r1_rule
RMF Control
Severity
M
CCI
Version
DTOO294
Vuln IDs
  • V-26618
Rule IDs
  • SV-53385r1_rule
InfoPath email forms can be designed by an internal attacker and sent over the local intranet, and users might fill out such forms and provide sensitive information to the attacker. By default, forms that originate from the local intranet can be opened.System AdministratorInformation Assurance OfficerECSC-1
Checks: C-47630r1_chk

The policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> InfoPath e-mail forms "Disable e-mail forms from the Intranet security zone" must be set to "Enabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\15.0\InfoPath\security Criteria: If the value EnableIntranetEMailForms is REG_DWORD = 0, this is not a finding.

Fix: F-46309r1_fix

Set the policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> InfoPath e-mail forms "Disable e-mail forms from the Intranet security zone" to "Enabled".

b
InfoPath email forms in Outlook must be disallowed.
Medium - V-26619 - SV-53389r1_rule
RMF Control
Severity
M
CCI
Version
DTOO295
Vuln IDs
  • V-26619
Rule IDs
  • SV-53389r1_rule
Attackers can send users InfoPath email forms in an attempt to gain access to confidential information. Depending on the level of trust of the forms, it might also be possible to gain access to other data automatically. By default, Outlook 2013 uses the InfoPath email forms feature to render forms in Outlook and allows users to fill them out in place.System AdministratorInformation Assurance OfficerECSC-1
Checks: C-47631r1_chk

The policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> InfoPath e-mail forms "Disable InfoPath e-mail forms in Outlook" must be set to "Enabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\15.0\outlook\options\mail Criteria: If the value DisableInfopathForms is REG_DWORD = 1, this is not a finding.

Fix: F-46313r1_fix

Set the policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> InfoPath e-mail forms "Disable InfoPath e-mail forms in Outlook" to "Enabled".

b
Disabling opening forms with managed code from the Internet security zone must be configured.
Medium - V-26620 - SV-53392r1_rule
RMF Control
Severity
M
CCI
Version
DTOO296
Vuln IDs
  • V-26620
Rule IDs
  • SV-53392r1_rule
When InfoPath solutions are opened locally, the location of the form is checked so that updates to the form can be downloaded. If a user saves a form locally from a location on the Internet and then opens the same form from another location on the Internet, the cache will be updated with the new location information. If the user then opens the first form from its saved location, there will be a mismatch between the locally saved form and the locally cached form. This situation would typically happen when developers move forms to a new location, but if there is no warning when the cached location is used, it could be misused by an attacker attempting to redirect the forms to a new location. This type of attack is a form of beaconing. By default, if the location information in the cached form and the saved form to not match, the form cannot be opened without prompting the user for consent.System AdministratorInformation Assurance OfficerECSC-1
Checks: C-47633r1_chk

The policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> Security "Disable opening forms with managed code from the Internet security zone" must be set to "Enabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\15.0\InfoPath\security Criteria: If the value RunManagedCodeFromInternet is REG_DWORD = 1, this is not a finding.

Fix: F-46316r1_fix

Set the policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> Security "Disable opening forms with managed code from the Internet security zone" to "Enabled".

b
A form that is digitally signed must be displayed with a warning.
Medium - V-26621 - SV-53432r1_rule
RMF Control
Severity
M
CCI
Version
DTOO297
Vuln IDs
  • V-26621
Rule IDs
  • SV-53432r1_rule
This setting controls whether or not the user sees a dialog box when opening Microsoft InfoPath forms containing digitally signed content. By default, InfoPath shows the user a warning message when the form contains a digital signature. By being aware of a digitally signed form, the user will be able to check the validity of the signature. Otherwise, the forms may have been maliciously modified and will be invalidated.System AdministratorInformation Assurance OfficerECSC-1
Checks: C-47665r1_chk

The policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> Security "Display a warning that a form is digitally signed" must be set to "Enabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\15.0\InfoPath\security Criteria: If the value SignatureWarning is REG_DWORD = 1, this is not a finding.

Fix: F-46356r1_fix

Set the policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> Security "Display a warning that a form is digitally signed" to "Enabled".

b
InfoPath 2013 applications must be prevented from loading any custom user interface (UI) code.
Medium - V-26625 - SV-54916r1_rule
RMF Control
Severity
M
CCI
Version
DTOO305
Vuln IDs
  • V-26625
Rule IDs
  • SV-54916r1_rule
This policy setting controls whether Office 2013 applications load any custom user interface (UI) code included with a document or template. Office 2013 allows developers to extend the UI with customization code that is included in a document or template. If this policy setting is enabled, Office 2013 applications cannot load any UI customization code included with documents and templates. If this policy setting is disabled or not configured, Office 2013 applications load any UI customization code included with a document or template when opening it, leaving the Office 2013 application susceptible to malicious code.System AdministratorInformation Assurance OfficerECSC-1
Checks: C-48670r1_chk

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Office 2013 -> Global Options -> Customize -> "Disable UI extending from documents and templates" is set to "Enabled" and "Disallow in InfoPath" is checked. Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\software\policies\Microsoft\office\15.0\common\toolbars\InfoPath Criteria: If the value noextensibilitycustomizationfromdocument is REG_DWORD = 1, this is not a finding.

Fix: F-47784r2_fix

Set the policy value for User Configuration -> Administrative Templates -> Microsoft Office 2013 -> Global Options -> Customize -> "Disable UI extending from documents and templates" to "Enabled". Select the policy option for "Disallow in InfoPath".

b
The InfoPath APTCA Assembly Allowable List must be enforced.
Medium - V-26697 - SV-53452r1_rule
RMF Control
Severity
M
CCI
Version
DTOO309
Vuln IDs
  • V-26697
Rule IDs
  • SV-53452r1_rule
InfoPath 2013 forms' business logic can only call into Global Assembly Cache (GAC) assemblies listed in the APTCA Assembly Allowable List. If this configuration is changed, forms can call into any assembly in the GAC where the Allow Partially Trusted Callers Attribute (APTCA) is set. This configuration could allow malicious developers to access assemblies in the GAC not intended to be used by InfoPath forms.System AdministratorInformation Assurance OfficerECSC-1
Checks: C-47667r1_chk

The policy value for Computer Configuration -> Administrative Templates -> Microsoft InfoPath 2013 (Machine) -> Security "InfoPath APTCA Assembly Allowable List Enforcement" must be set to "Enabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Policies\Microsoft\office\15.0\InfoPath\security Criteria: If the value APTCA_AllowList is REG_DWORD = 1, this is not a finding.

Fix: F-46378r1_fix

Set the policy value for Computer Configuration -> Administrative Templates -> Microsoft InfoPath 2013 (Machine) -> Security "InfoPath APTCA Assembly Allowable List Enforcement" to "Enabled".