Apple Safari Node Use-After-Free Remote Code Execution Vulnerability

2017-11-20T00:00:00
ID ZDI-17-920
Type zdi
Reporter Hanul Choi
Modified 2017-06-22T00:00:00

Description

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Apple Safari. 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 Node objects when creating HTML Markup. By performing actions in JavaScript, an attacker can cause a 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.