Apple Macintosh OS X fails to properly mount WebDAV filesystems

Overview

A vulnerability in the way that Apple Macintosh OS X mounts WebDAV filesystems could allow a local attacker to execute commands with elevated privileges.

Description

Web-based Distributed Authoring and Versioning (WebDAV) is a set of extensions to the HTTP protocol which allows collaborative editing and management of web resources on remote servers. Apple Macintosh OS X contains a vulnerability that could be exploited when it attempts to mount WebDAV filesystems that may allow a local attacker to execute commands with elevated privileges. According to Apple Security Update 2007-004:

When mounting a WebDAV filesystem, the load_webdav program may be launched without properly cleaning the environment. This may allow a local user to create files or execute commands with system privileges. This update addresses the issue by cleaning the environment prior to executing commands.

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Impact

A local attacker may be able to execute commands with elevated privileges.

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Solution

Apply Updates from Apple

Apple has addressed this vulnerability with the updates included in Apple Security Update 2007-004.

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Vendor Information

474969

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Apple Computer, Inc. __ Affected

Updated: April 20, 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

Refer to Apple Security Update 2007-004.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23474969 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

<http://docs.info.apple.com/article.html?artnum=305391&gt;

Acknowledgements

This vulnerability was reported in Apple Security Update 2007-004.

This document was written by Chris Taschner.

Other Information

CVE IDs:	CVE-2007-0747
Severity Metric:	3.65 Date Public: