Title

Fatally corrupt files must be blocked from opening. (Cat II impact)

Discussion

When disabled, fatally corrupt files are prevented from opening. When enabled, the user is warned but may choose to open the file.By default, fatally corrupt files are prevented from opening.

Check Content

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Publisher 2016 -> 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\16.0\publisher Criteria: If the value PromptForBadFiles is REG_DWORD = 0, this is not a finding.

Fix Text

Set the policy value for User Configuration -> Administrative Templates -> Microsoft Publisher 2016 -> Security "Prompt to allow fatally corrupt files to open instead of blocking them" to "Disabled".

Additional Identifiers

Rule ID: SV-86297r1_rule

Vulnerability ID: V-71673

Group Title: SRG-APP-000207

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.