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CERT Coordination Center


Apple Mac OS X CoreText embedded font vulnerability

Vulnerability Note VU#410281

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

Overview

Apple Mac OS X CoreText contains a use-after-free vulnerability that may allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable system.

Description

Apple Mac OS X CoreText is a text layout and font processing engine that is used to handle embedded fonts.CoreText contains a use-after-free vulnerability that can allow arbitrary code execution.

Impact

By convincing a user to open a document with a specially-crafted embedded font, 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

410281
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-2011-3449
Severity Metric: 5.77
Date Public: 2012-02-02
Date First Published: 2012-02-02
Date Last Updated: 2012-03-28 14:54 UTC
Document Revision: 5

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