Advisory Details

July 12th, 2016

Microsoft Edge CGeolocationManager Use-After-Free Remote Code Execution Vulnerability

CVE ID	CVE-2016-3264
CVSS SCORE	6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Microsoft
AFFECTED PRODUCTS	Edge
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['24739']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Edge. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The vulnerability relates to how Microsoft Edge requests permission from the user to allow a website to access device location information (for example, GPS). By performing certain actions in script, an attacker can force a CGeolocationManager object in memory to be reused after it has been freed. An attacker can leverage this vulnerability to execute code under the context of the current process.
ADDITIONAL DETAILS	Microsoft has issued an update to correct this vulnerability. More details can be found at: https://technet.microsoft.com/library/security/MS16-085
DISCLOSURE TIMELINE	2016-05-05 - Vulnerability reported to vendor 2016-07-12 - Coordinated public release of advisory
CREDIT	exp-sky (http://exp-sky.org) of Tencent's Xuanwu LAB (http://www.tencent.com)

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