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             AUSCERT External Security Bulletin Redistribution

         Microsoft Security Bulletin MS16-103: Security Update for
                       ActiveSyncProvider (3182332)
                              10 August 2016


        AusCERT Security Bulletin Summary

Product:           Microsoft Windows
Publisher:         Microsoft
Operating System:  Windows 10
Impact/Access:     Access Privileged Data -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-3312  

Original Bulletin: 

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Microsoft Security Bulletin MS16-103: Security Update for ActiveSyncProvider 

Executive Summary

This security update resolves a vulnerability in Microsoft Windows. The 
vulnerability could allow information disclosure when Universal Outlook fails
to establish a secure connection.

This security update is rated Important for all supported editions of Windows

Affected Software

Windows 10 [1]

[1] Windows 10 updates are cumulative. The monthly security release includes
all security fixes for vulnerabilities that affect Windows 10, in addition to
non-security updates. The updates are available via the Microsoft Update 

Vulnerability Information

Universal Outlook Information Disclosure Vulnerability - CVE-2016-3312

An information disclosure vulnerability exists when Universal Outlook fails to
establish a secure connection. An attacker could use this vulnerability to 
obtain the username and password of a user. The update addresses the 
vulnerability by preventing Universal Outlook from disclosing usernames and 

Vulnerability Title 					CVE number 	Publicly disclosed 	Exploited

Universal Outlook Information Disclosure Vulnerability 	CVE-2016-3312 	No 			No

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