Advisory Details

December 8th, 2015

Microsoft Edge CAttrArray Out-Of-Bounds Read Remote Code Execution Vulnerability

CVE ID	CVE-2015-6168
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 ['21930']. 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 deletes elements from attribute arrays (as implemented by CAttrArray). By manipulating a document's elements an attacker can cause Edge to read memory outside the bounds of the array. 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/en-us/library/security/ms15-125.aspx
DISCLOSURE TIMELINE	2015-09-03 - Vulnerability reported to vendor 2015-12-08 - Coordinated public release of advisory
CREDIT	SkyLined

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