Microsoft Chakra Array Type Confusion Remote Code Execution Vulnerability

2017-09-12T00:00:00
ID ZDI-17-731
Type zdi
Reporter Anonymous
Modified 2017-06-22T00:00:00

Description

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Chakra. 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 arrays in JavaScript. By performing actions in JavaScript, an attacker can trigger a type confusion condition. An attacker can leverage this vulnerability to execute code under the context of the current process.