Advisory Details

June 11th, 2014

Microsoft Internet Explorer textContent Heap Buffer Overflow Remote Code Execution Vulnerability

CVE ID	CVE-2014-2772
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 specific flaw exists within the handling of the textContent element property. The issue lies in the failure to properly calculate the length of the buffer during a call to memcpy. 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	2014-03-07 - Vulnerability reported to vendor 2014-06-11 - Coordinated public release of advisory
CREDIT	Stephen Fewer of Harmony Security (www.harmonysecurity.com)

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