Mozilla Firefox HTMLVideoElement Use-After-Free Remote Code Execution Vulnerability

2015-12-18T00:00:00
ID ZDI-15-646
Type zdi
Reporter Anonymous
Modified 2015-11-09T00:00:00

Description

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Mozilla Firefox. 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 media objects. By manipulating a document's elements an attacker can cause a HTMLVideoElement object in memory to be reused after it has been freed. An attacker can leverage this vulnerability to execute arbitrary code under the context of the current process.