Advisory Details

September 11th, 2013

Microsoft Internet Explorer Type Confusion Remote Code Execution Vulnerability

CVE ID	CVE-2013-3203
CVSS SCORE	7.5, AV:N/AC:L/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Microsoft
AFFECTED PRODUCTS	Internet Explorer
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 Internet Explorer JavaScript engine that allows an attacker to use a pointer for an object that was set earlier as an immediate value without proper checks. 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: https://technet.microsoft.com/en-us/security/bulletin/ms13-069
DISCLOSURE TIMELINE	2013-06-27 - Vulnerability reported to vendor 2013-09-11 - Coordinated public release of advisory
CREDIT	Arthur Gerkis

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