Microsoft Internet Explorer textContent Heap Buffer Overflow Remote Code Execution Vulnerability

ID ZDI-14-185
Type zdi
Reporter Stephen Fewer of Harmony Security (
Modified 2014-11-09T00:00:00


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.