Apple Mac OS X fails to properly handle corrupted DMG image structures

Overview

Apple Mac OS X fails to properly handle corrupted DMG image structures. The complete impact of this vulnerability is unclear, but may include execution of arbitrary code or denial of service.

Description

A vulnerability in the way Mac OS X com.apple.AppleDiskImageController handles malformed DMG files could lead to a memory corruption.

We are aware of publicly available proof-of-concept code that demonstrates this vulnerability.

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Impact

The complete impact of this vulnerability is unclear, but may include execution of arbitrary code or denial of service.

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Solution

Upgrade

Apple has issued an upgrade to address this issue. See Apple Security Update 2007-003 for more details.

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Disable Open “safe” files after downloading option

For instructions on how to disable the Open “safe” files after downloading option in Safari, please refer to the Safari section of the Securing Your Web Browser document.

Do not access** DMG files from untrusted sources**

Do not download DMG files from unknown or untrusted sources. Do not open unfamiliar or unexpected links, particularly those delivered in email messages. Please see Cyber Security Tip ST04-014.

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Vendor Information

367424

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Apple Computer, Inc. __ Affected

Notified: November 21, 2006 Updated: March 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=305214&gt; for more details.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23367424 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://projects.info-pull.com/mokb/MOKB-20-11-2006.html&gt;
• <http://secunia.com/advisories/23012/&gt;
• <https://vulners.com/cve/CVE-2006-6061&gt;
• <http://docs.info.apple.com/article.html?artnum=305214&gt;
• <http://secunia.com/advisories/24479/&gt;
• <http://securitytracker.com/alerts/2007/Mar/1017751.html&gt;
• <http://www.securityfocus.com/bid/21201&gt;

Acknowledgements

This issue was reported in Month of Kernel Bugs MOKB-20-11-2006 by LMH.

This document was written by Chris Taschner.

Other Information

CVE IDs:	CVE-2006-6061
Severity Metric:	15.99 Date Public: