Advisory Details

May 29th, 2013

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

CVE ID	CVE-2013-0090
CVSS SCORE	6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
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 ['12843']. 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 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 with the handling of DOM manipulations on an embedded child of an <abbr> tag. The process can be made to delete an object resulting in a dangling pointer. The process can be later forced to reuse this pointer resulting in a use-after-free condition. An attacker can leverage this situation to execute code under the context of the user running the browser.
ADDITIONAL DETAILS	Microsoft has issued an update to correct this vulnerability. More details can be found at: http://technet.microsoft.com/en-us/security/bulletin/ms13-021
DISCLOSURE TIMELINE	2013-02-13 - Vulnerability reported to vendor 2013-05-29 - Coordinated public release of advisory
CREDIT	SkyLined

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