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

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


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.