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Mac OS X BOM Privilege Escalation Vulnerability

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Release Date:  2007-01-08    Last Update:  2007-01-18    Views:  15,419

Secunia Advisory SA23653

Where:

Local system

Impact:

Privilege escalation

Solution Status:

Unpatched

Operating System:

CVE Reference(s):

Description


A vulnerability has been reported in Mac OS X, which can be exploited by malicious, local users to gain escalated privileges.

The problem is that permissions in BOM files are not properly validated and can be exploited to create new permissions on specified files and directories, or gain root privileges by creating a specially crafted BOM file and then running "diskutil repairPermissions /".

The vulnerability is reported in version 10.4.8 . Other versions may also be affected.


Solution:
Remove the setuid bit from /System/Library/PrivateFrameworks/DiskManagement.framework/Resources/DiskManagementTool.

Provided and/or discovered by:
Discovered as a 0-day and reported by LMH and Kevin Finisterre (MOAB).

Original Advisory:
http://projects.info-pull.com/moab/MOAB-05-01-2007.html

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Mac OS X BOM Privilege Escalation Vulnerability

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