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Vulnerability Note VU#449440

Apple ColorSync buffer overflow vulnerability

Overview

Apple ColorSync contains a buffer overflow vulnerability that may allow an attacker to execute arbitrary code.

I. Description

ColorSync is Apple's color management API. OS X applications and devices can use ColorSync profiles to determine how colors in images should be interpreted.

ColorSync contains a stack based buffer overflow. An attacker may be able to trigger the overflow by convincing a user to open an image with specially crafted embedded ColorSync profile.

From Apple's Color Management with Mac OS X Panther document:

    Based on the Portable Document Format (PDF) 1.4 standard, Quartz is the native Mac OS X 2D drawing engine that generates text, vector, and raster images onscreen. Applications that use Quartz automatically support ColorSync. These applications include Preview, Mail, and Safari—all of which come with Panther.

Any application, including Safari, Mail and Preview, that can open images and process their ColorSync profiles may be affected by this vulnerability.

II. Impact

A remote, unauthenticated attacker may be able to execute arbitrary code by convincing a user to open a webpage, email message, or image file.

III. Solution

Upgrade

Apple has issued an upgrade to address this issue. See Apple Security Update 2007-003 for more details.

Systems Affected

VendorStatusDate NotifiedDate Updated
Apple Computer, Inc.Vulnerable13-Mar-2007

References


http://docs.info.apple.com/article.html?artnum=305214
http://www.apple.com/macosx/features/colorsync/
http://images.apple.com/pro/pdf/Color_Management_in_Mac_OS_X.pdf
http://en.wikipedia.org/wiki/ColorSync
http://www.cert.org/homeusers/buffer_overflow.html
http://secunia.com/advisories/24479/

Credit

Thanks to Apple for information that was used in this report. Apple thanks Tom Ferris of Security-Protocols for reporting this vulnerability.

This document was written by Ryan Giobbi.

Other Information

Date Public:2007-03-13
Date First Published:2007-03-13
Date Last Updated:2007-03-14
CERT Advisory: 
CVE-ID(s):CVE-2007-0719
NVD-ID(s):CVE-2007-0719
US-CERT Technical Alerts: 
Metric:10.33
Document Revision:17

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