Apple Mac OS X CoreText uninitialized pointer vulnerability

Overview

Apple Mac OS X CoreText contains an uninitialized pointer vulnerability, which may allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable system.

Description

Apple Mac OS X CoreText is a framework for handling text on Mac OS X Tiger (10.4) and later. Mac OS X CoreText fails to properly initialize pointers, which can cause memory corruption. Any application that uses the CoreText framework for handling text may be vulnerable.

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Impact

By convincing a user to view specially crafted text, a remote, unauthenticated attacker may be able to execute arbitrary code or cause a denial of service on a vulnerable system.

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Solution

Apply an update

This issue is addressed in Mac OS X 10.4.11 and Apple Security Update 2007-008.

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Vendor Information

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Apple Computer, Inc. Affected

Notified: October 24, 2006 Updated: November 12, 2007

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.

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://docs.info.apple.com/article.html?artnum=307041&gt;
• <http://secunia.com/advisories/27643/&gt;

Acknowledgements

This vulnerability was repoted by Will Dormann of the CERT/CC.

This document was written by Will Dormann.

Other Information

CVE IDs:	CVE-2007-4682
Severity Metric:	7.76 Date Public: