Apple Mac OS X ImageIO vulnerable to integer overflow via specially crafted GIF image

Overview

The Apple Mac OS X ImageIO framework contains a buffer overflow that may allow a remote attacker to execute arbitrary code on an affected system.

Description

Apple’s ImageIO is an image processing framework that was introduced in Mac OS X 10.4 (Tiger). It includes the ability to process images in a number of different formats, including those in the graphics interchange format (GIF). ImageIO is used by several applications, including WebCore and Safari. ImageIO contains an unspecified integer overflow in the handling of GIF images.

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Impact

By convincing a user to view a specially crafted GIF image (e.g., contained within a web page), an attacker could execute arbitrary code with the privileges of the user. The attacker could also cause the application using the ImageIO library to crash. Any application that uses ImageIO may be vulnerable.

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Solution

Apply an update

Please see Apple Security Update 2006-004 for details on updates.

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Vendor Information

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Apple Computer, Inc. __ Affected

Notified: August 02, 2006 Updated: August 02, 2006

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

Please see Apple Security Update 2006-004 for details on updates.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23605908 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://docs.info.apple.com/article.html?artnum=304063&gt;
• <http://secunia.com/advisories/21253/&gt;

Acknowledgements

Thanks to Apple Product Security for reporting this vulnerability. Apple, in turn, credits Tom Ferris of Security-Protocols.com with reporting this issue to them.

This document was written by Chad R Dougherty.

Other Information

CVE IDs:	CVE-2006-3503
Severity Metric:	8.78 Date Public: