Microsoft Edge Chakra Engine Type Confusion Remote Code Execution Vulnerability

2018-11-20T00:00:00
ID ZDI-18-1350
Type zdi
Reporter Anonymous
Modified 2019-06-22T00:00:00

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 floating-point arrays in JIT code. By performing actions in JavaScript, an attacker can trigger a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current process.