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CERT Coordination Center


Apple Mac OS X ATS data-font memory corruption vulnerability

Vulnerability Note VU#403593

Original Release Date: 2012-02-02 | Last Revised: 2012-03-28

Overview

Apple Mac OS X ATS contains a memory corruption vulnerability that may allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable system.

Description

Apple Mac OS X ATS (Apple Type Services) fails to properly handle malformed data-font (.dfont) files, resulting in memory corruption.

Impact

By convincing a user to open a specially-crafted font in Font Book, a remote, unauthenticated attacker may be able to execute arbitrary code on a vulnerable system.

Solution

Apply an update

This issue is addressed in OS X Lion v10.7.3 and Security Update 2012-001.

Vendor Information

403593
Expand all

Apple Inc.

Notified:  October 20, 2011 Updated:  February 02, 2012

Status

  Affected

Vendor Statement

No statement is currently available from the vendor regarding this vulnerability.

Vendor Information

We are not aware of further vendor information regarding this vulnerability.

Vendor References

http://support.apple.com/kb/HT5130

Addendum

There are no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us email.


CVSS Metrics

Group Score Vector
Base 9.0 AV:N/AC:M/Au:N/C:C/I:C/A:P
Temporal 7.0 E:POC/RL:OF/RC:C
Environmental 7 CDP:ND/TD:ND/CR:ND/IR:ND/AR:ND

References

Credit

This vulnerability was reported by Will Dormann of the CERT/CC.

This document was written by Will Dormann.

Other Information

CVE IDs: CVE-2011-3446
Severity Metric: 2.57
Date Public: 2012-02-02
Date First Published: 2012-02-02
Date Last Updated: 2012-03-28 14:53 UTC
Document Revision: 18

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