Advisory Details

September 8th, 2015

Microsoft Internet Explorer mergeAttributes Type Confusion Remote Code Execution Vulnerability

CVE ID	CVE-2015-2486
CVSS SCORE	6.8, AV:N/AC:M/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 vulnerability relates to how Internet Explorer performs merging of HTML attributes. By manipulating a document's elements, an attacker can cause an object in memory to be processed as if it were a different type of object. An attacker can leverage this vulnerability to execute arbitrary 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/ms15-095
DISCLOSURE TIMELINE	2015-06-01 - Vulnerability reported to vendor 2015-09-08 - Coordinated public release of advisory
CREDIT	0016EECD9D7159A949DAD3BC17E0A939

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