Apple QuickDraw Manager fails to properly handle malicious PICT images

Overview

A vulnerability exists in how Apple OS X handles PICT images. If successfully exploited, this vulnerability may allow a remote attacker to execute arbitrary code, or create a denial-of-service condition.

Description

From Apple,

Certain applications invoke an unsupported QuickDraw operation to display PICT images. By carefully crafting a corrupt PICT image, an attacker can trigger memory corruption in these applications, which may lead to an application crash or arbitrary code execution. This update addresses the issue by preventing the unsupported operation.

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Impact

A remote, unauthenticated attacker may be able to execute arbitrary code with the privileges of the user who opened the malicious file.

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Solution

Update

Apple has released an update that addresses this issue.

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Do not open unknown files with privileged accounts

Opening unknown files using user accounts with limited privileges may mitigate the affects of this vulnerability. See the Home Network Security document for more details.

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Vendor Information

346396

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Apple Computer, Inc. __ Affected

Updated: October 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

See <http://docs.info.apple.com/article.html?artnum=304460&gt; for more details.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23346396 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://secunia.com/advisories/22187/&gt;
• <http://www.cert.org/tech_tips/home_networks.html#IV&gt;
• <http://docs.info.apple.com/article.html?artnum=304460&gt;

Acknowledgements

This report was based on information in Apple Security Update 2006-006.

This document was written by Ryan Giobbi.

Other Information

CVE IDs:	CVE-2006-4395
Severity Metric:	0.54 Date Public: