(Pwn2Own\Pwn4Fun) Microsoft Internet Explorer CDOMTextNode Use-After-Free Remote Code Execution Vulnerability

ID ZDI-14-186
Type zdi
Reporter AbdulAziz Hariri of HP Zero Day InitiativeMatt Molinyawe of HP Zero Day InitiativeJasiel Spelman of HP Zero Day Initiative
Modified 2014-06-22T00:00:00


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 CDOMTextNode objects. By manipulating a document's elements an attacker can force a dangling pointer to be reused after it has been freed. An attacker can leverage this vulnerability to execute code under the context of the current process.