Outlook Web Access (OWA) in Microsoft Exchange Server 2013 SP1, Cumulative Update 11, and Cumulative Update 12 and 2016 Gold and Cumulative Update 1 does not properly restrict loading of IMG elements, which makes it easier for remote attackers to track users via a crafted HTML e-mail message, aka "Microsoft Exchange Information Disclosure Vulnerability."
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
Link | Tags |
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https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-079 | vendor advisory |
http://www.securitytracker.com/id/1036106 | vdb entry third party advisory |