Advisory Details

March 21st, 2017

Microsoft Internet Explorer CHtmTag Use-After-Free Remote Code Execution Vulnerability

CVE ID	CVE-2017-0018
CVSS SCORE	4.3, AV:N/AC:M/Au:N/C:P/I:N/A:N
AFFECTED VENDORS	Microsoft
AFFECTED PRODUCTS	Internet Explorer
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['25485']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS	This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Microsoft Internet Explorer. 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 processing of HTML tags. By manipulating a document's elements an attacker can cause a pointer to be reused after it has been freed. An attacker can leverage this vulnerability to disclose sensitive information 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/ms17-006.aspx
DISCLOSURE TIMELINE	2016-10-06 - Vulnerability reported to vendor 2017-03-21 - Coordinated public release of advisory
CREDIT	Kai Song(exp-sky) of Tencent's Xuanwu Lab

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