Mozilla Firefox MPEG4 saio Chunk Integer Overflow Remote Code Execution Vulnerability

2015-10-05T00:00:00
ID ZDI-15-456
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 MPEG4 media files. The issue lies in the failure to check for an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute arbitrary code within the context of the current process.