Open/Save actions for web pages and Excel 2003 XML spreadsheets must be blocked.

From Microsoft Excel 2013 STIG

Part of DTOO120 -Web pages and Excel 2003 XML spreadsheets

SV-53638r2_rule Open/Save actions for web pages and Excel 2003 XML spreadsheets must be blocked.

Vulnerability discussion

This policy setting allows for determining whether users can open, view, edit, or save Excel files with the format specified by the title

Check content

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Excel 2013 -> Excel Options -> Security -> Trust Center -> File Block Settings "Web pages and Excel 2003 XML spreadsheets" is set to "Enabled: Open/Save blocked, use open policy". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\15.0\excel\security\fileblock Criteria: If the value HtmlandXmlssFiles is REG_DWORD = 2, this is not a finding.

Fix text

Set the policy value for User Configuration -> Administrative Templates -> Microsoft Excel 2013 -> Excel Options -> Security -> Trust Center -> File Block Settings "Web pages and Excel 2003 XML spreadsheets" to "Enabled: Open/Save blocked, use open policy".

Pro Tips

Lavender hyperlinks in small type off to the right (of CSS class id, if you view the page source) point to globally unique URIs for each document and item. Copy the link location and paste anywhere you need to talk unambiguously about these things.

You can obtain data about documents and items in other formats. Simply provide an HTTP header Accept: text/turtle or Accept: application/rdf+xml.