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Word 2007 Email as PDF path disclosure flaw

Word 2007 is the latest installment of Microsoft's word processing program

Word 2007 with the "save as pdf" add-on is vulnerable to a path disclosure when using the feature's email as pdf option, accessible through the office button. This feature enables a user to email a word doc as a pdf without saving it as a pdf first. When doing so, the full path to the file is placed on the subject line of the email being drafted. When working with documents that are not resident on the user's drive or an accessible network share (such as an email attachment or web page) the path to the temporary file that is created is placed in the subject line. Like so:

From: Joey Jackrabbit
Sent: Friday, November 30, 2007 2:15 PM
To: Jacob Smith
Cc: John Smith
Subject: C:\Documents and Settings\ebk\Local Settings\Temporary Internet Files\Content.Outlook\FIZK8FYG\My new Document

Testing revealed that only Word exhibits this behavior.

11/30/07 Discovered
11/30/07 Reported to MS
1/8/08 MS Reported this will be addressed in next version/service pack

Delete the path information from the subject line before sending the email