Fatally corrupt files must be blocked from opening.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-26707	DTOO322	SV-53255r1_rule		Medium

Description
Enabling this setting allows a user to open fatally corrupt Publisher 2013 files. As a result, malicious code or users could become active on the user's computer or the network. For example, a malicious user may purposely corrupt a Publisher file. The corrupted file could force the application to fail or execute malicious code, giving the malicious user control of Publisher 2013.

STIG	Date
Microsoft Publisher 2013 STIG	2018-04-04

Details

Check Text ( C-47557r1_chk )
Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Publisher 2013 -> Security "Prompt to allow fatally corrupt files to open instead of blocking them" is set to "Disabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\15.0\publisher Criteria: If the value PromptForBadFiles is REG_DWORD = 0, this is not a finding.

Check Text ( C-47557r1_chk )

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Publisher 2013 -> Security "Prompt to allow fatally corrupt files to open instead of blocking them" is set to "Disabled".

Procedure: Use the Windows Registry Editor to navigate to the following key:

HKCU\Software\Policies\Microsoft\Office\15.0\publisher

Criteria: If the value PromptForBadFiles is REG_DWORD = 0, this is not a finding.

Fix Text (F-46184r1_fix)
Set the policy value for User Configuration -> Administrative Templates -> Microsoft Publisher 2013 -> Security "Prompt to allow fatally corrupt files to open instead of blocking them" to "Disabled".