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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
 

Apple Inc. Affected

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

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

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

Vendor References


CVSS Metrics

Group Score Vector
Base 9 AV:N/AC:M/Au:N/C:C/I:C/A:P
Temporal 7 E:POC/RL:OF/RC:C
Environmental 7 CDP:ND/TD:ND/CR:ND/IR:ND/AR:ND

References

Acknowledgements

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: 7

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