Apple OS X DFont FOND Memory Corruption Remote Code Execution Vulnerability

2015-07-01T00:00:00
ID ZDI-15-284
Type zdi
Reporter Pawel Wylecial
Modified 2015-11-09T00:00:00

Description

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Apple OS X. 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 data fork font suitcase files. The issue lies in the parsing of the 'FOND' table. An attacker can leverage this vulnerability to execute code under the context of the current user.