Advisory Details

July 26th, 2013

Microsoft Internet Explorer column-count Buffer Overflow Remote Code Execution Vulnerability

CVE ID	CVE-2013-3146
CVSS SCORE	5.1, AV:N/AC:H/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 ['13045']. 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 within the handling of the column-count CSS property. The issue lies in the failure to properly validate input before using it to allocate a buffer on the heap. 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/security/bulletin/ms13-055
DISCLOSURE TIMELINE	2013-04-16 - Vulnerability reported to vendor 2013-07-26 - Coordinated public release of advisory
CREDIT	Toan Pham Van aka @__suto

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