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Category:   Application (Generic)  >   Microsoft Office Vendors:   Microsoft
Microsoft Office Outlook DRM Copy/Paste Error Lets Remote Authenticated Users Obtain Potentially Sensitive Information
SecurityTracker Alert ID:  1039994
SecurityTracker URL:  http://securitytracker.com/id/1039994
CVE Reference:   CVE-2017-11939   (Links to External Site)
Date:  Dec 13 2017
Impact:   Disclosure of system information, Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): Microsoft Office 2016 Click-to-Run (C2R)
Description:   A vulnerability was reported in Microsoft Office Outlook. A remote authenticated or local user can obtain potentially sensitive information on the target system.

A remote authenticated user with MAPI access or a local user with access to the target user's 'Drafts' folder can exploit a copy/paste permissions error with DRM email protection to extract potentially sensitive plaintext content from an ostensibly protected email.

Alex Harmon, Microsoft, reported this vulnerability.

Impact:   A remote authenticated or local user can copy potentially sensitive plaintext information from copy-protected email on the target system.
Solution:   The vendor has issued a fix.

The Microsoft advisory is available at:

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11939

Vendor URL:  portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11939 (Links to External Site)
Cause:   Access control error
Underlying OS:  Windows (Any)

Message History:   None.


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