Microsoft Internet Explorer CSelectTracker::GetMoveDirection Use-After-Free Remote Code Execution Vulnerability

2014-09-16T00:00:00
ID ZDI-14-313
Type zdi
Reporter Yuki Chen
Modified 2014-11-09T00:00:00

Description

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 handles selections within a document. By manipulating elements within the document and well as changing the current selection, an attacker can force a CDisplayPointer object in memory to be reused after it has been freed. An attacker can leverage this vulnerability to execute code under the context of the current process.