Advisory Details

June 11th, 2014

(Pwn2Own\Pwn4Fun) Microsoft Internet Explorer CDOMTextNode Use-After-Free Remote Code Execution Vulnerability

CVE ID	CVE-2014-1762
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 ['13625']. 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 CDOMTextNode objects. By manipulating a document's elements an attacker can force a dangling pointer to be reused after it has been freed. 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/library/security/ms14-035
DISCLOSURE TIMELINE	2014-03-13 - Vulnerability reported to vendor 2014-06-11 - Coordinated public release of advisory
CREDIT	AbdulAziz Hariri of HP Zero Day Initiative Matt Molinyawe of HP Zero Day Initiative Jasiel Spelman of HP Zero Day Initiative

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