Advisory Details

March 8th, 2016

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

CVE ID	CVE-2016-0118
CVSS SCORE	5.1, AV:N/AC:H/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 ['21921']. 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 specific flaw exists within the code that renders PDF documents. By supplying a malformed PDF document an attacker can cause Microsoft Edge to use a Infra::CAsyncTpWorker object in memory after it has been freed. An attacker can leverage this to execute arbitrary 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/MS16-028
DISCLOSURE TIMELINE	2015-11-12 - Vulnerability reported to vendor 2016-03-08 - Coordinated public release of advisory
CREDIT	Jaanus Kp - Clarified Security

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