Apple QuickTime buffer overflow vulnerability

Overview

Apple QuickTime contains a stack buffer overflow vulnerability. If exploited, this vulnerability may allow an attacker to execute code.

Description

Apple QuickTime is a media player that includes a browser plugin. QuickTime can display PICT images.

From Apple Article ID: 306896 “About the security content of QuickTime 7.3”:
A stack buffer overflow exists in PICT image processing. By enticing a user to open a maliciously crafted image, an attacker may cause an unexpected application termination or arbitrary code execution. This update addresses the issue by performing additional validation of PICT files. Credit to Ruben Santamarta of reversemode.com working with TippingPoint and the Zero Day Initiative for reporting this issue.
To exploit this vulnerability, an attacker would have to convince a user to open a specially crafted PICT image, which could be hosted on a web page.

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Impact

A remote, unauthenticated attacker may be able to execute arbitrary code or cause QuickTime to crash.

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Solution

Upgrade
Apple has addressed this issue in QuickTime 7.3.

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Vendor Information

690515

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Apple Computer, Inc. __ Affected

Updated: November 13, 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.

Addendum

See <http://docs.info.apple.com/article.html?artnum=306896&gt; for more details.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23690515 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://docs.info.apple.com/article.html?artnum=306896&gt;
• <http://www.zerodayinitiative.com/advisories/ZDI-07-067.html&gt;

Acknowledgements

Apple credits Ruben Santamarta of reversemode.com and TippingPoint for reporting this issue.

This document was written by Ryan Giobbi.

Other Information

CVE IDs:	CVE-2007-4676
Severity Metric:	19.15 Date Public: