Design/Logic Flaw

Microsoft Office 2007 12.0.6015.5000 and MSO 12.0.6017.5000 do not sign the metadata of Office Open XML OOXML documents, which makes it easier for remote attackers to modify Dublin Core metadata fields, as demonstrated by the 1 LastModifiedBy and 2 creator fields in docProps/core.xml in the OOXML...

CVE-2007-6329

CVE-2007-6329 affects Microsoft Office 2007 (builds 12.0.6015.5000) and MSO 12.0.6017.5000, where Office Open XML (OOXML) metadata is not signed. This allows an attacker to alter Dublin Core fields in the OOXML ZIP container, demonstrated in docProps/core.xml (LastModifiedBy and creator fields). ...