Microsoft Internet Explorer TextBlock Out-Of-Bounds Read Information Disclosure Vulnerability

2015-12-17T00:00:00
ID ZDI-15-645
Type zdi
Reporter Jason Kratzer
Modified 2015-11-09T00:00:00

Description

This vulnerability allows remote attackers to leak sensitive information 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 DOM after changing the text direction. By manipulating a document's elements an attacker can force an out-of-bounds read. An attacker can leverage this vulnerability to leak sensitive information under the context of the current process.