Apple Mac OS X CoreFoundation CFPlugIn facilities automatically load plug-in executables

Overview

There is a vulnerability in the Mac OS X CoreFoundation framework that could allow a local attacker to gain elevated privileges.

Description

The Core Foundation framework (CoreFoundation.framework) is designed to allow code and data sharing between frameworks, libraries, and applications in different environments and layers. It includes the CFPlugIn, which provides a standard architecture for application extensions. There is a vulnerability in the way CoreFoundation loads user-supplied libraries for applications using the CFPlugIn facilities.

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Impact

An authenticated local attacker could cause an application using the CoreFoundation CFPlugIn facilities to load a user-supplied library. Exploitation of this vulnerability on privileged applications could allow an attacker to gain elevated privileges.

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Solution

Apple has released a patch to address this vulnerability. For further details, please see the Apple Security Advisory (Security Update 2004-09-07).

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Vendor Information

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Apple Computer Inc. __ Affected

Updated: September 09, 2004

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 refer to the Apple Security Advisory.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23704110 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://docs.info.apple.com/article.html?artnum=61798&gt;
• <http://developer.apple.com/documentation/MacOSX/Conceptual/SystemOverview/SystemArchitecture/chapter_3_section_7.html&gt;
• <http://developer.apple.com/documentation/CoreFoundation/Reference/CFPlugInRef/Reference/Introduction.html&gt;
• <http://secunia.com/advisories/12491/&gt;
• <http://www.securitytracker.com/alerts/2004/Sep/1011174.html&gt;

Acknowledgements

This vulnerability was reported by Apple.

This document was written by Damon Morda based on information provided by Apple.

Other Information

CVE IDs:	CVE-2004-0821
Severity Metric:	5.91 Date Public: