Microsoft Chakra Array Type Confusion Remote Code Execution Vulnerability

2018-12-19T00:00:00
ID ZDI-18-1432
Type zdi
Reporter Simon Zuckerbraun - Trend Micro Zero Day Initiative
Modified 2018-06-22T00:00:00

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 in the context of the current process.