Apple Mac OS X DesktopServices Component Insecure File Permissions Vulnerability

BID:40898

Info

Apple Mac OS X DesktopServices Component Insecure File Permissions Vulnerability

Bugtraq ID: 40898
Class: Design Error
CVE: CVE-2010-0545
Remote: No
Local: Yes
Published: Jun 15 2010 12:00AM
Updated: Jun 15 2010 12:00AM
Credit: Michi Ruepp of pianobakery.com
Vulnerable: Apple Mac OS X Server 10.6.3
Apple Mac OS X Server 10.6.2
Apple Mac OS X Server 10.6.1
Apple Mac OS X Server 10.5.8
Apple Mac OS X Server 10.5.7
Apple Mac OS X Server 10.5.6
Apple Mac OS X Server 10.5.5
Apple Mac OS X Server 10.5.4
Apple Mac OS X Server 10.5.3
Apple Mac OS X Server 10.5.2
Apple Mac OS X Server 10.5.1
Apple Mac OS X Server 10.6
Apple Mac OS X Server 10.5
Apple Mac OS X 10.6.3
Apple Mac OS X 10.6.2
Apple Mac OS X 10.6.1
Apple Mac OS X 10.5.8
Apple Mac OS X 10.5.7
Apple Mac OS X 10.5.6
Apple Mac OS X 10.5.5
Apple Mac OS X 10.5.4
Apple Mac OS X 10.5.3
Apple Mac OS X 10.5.2
Apple Mac OS X 10.5.1
Apple Mac OS X 10.6
Apple Mac OS X 10.5
Not Vulnerable: Apple Mac OS X Server 10.6.4
Apple Mac OS X 10.6.4

Discussion

Apple Mac OS X DesktopServices Component Insecure File Permissions Vulnerability

Apple Mac OS X is prone to a security vulnerability because the DesktopServices component sets potentially insecure file permissions through Finder.

This issue can leave legitimate users with a false sense of security, and could allow a local attacker to access files they were not intended to.

Mac OS X 10.5.8, Mac OS X Server 10.5.8, Mac OS X 10.6 through 10.6.3, and Mac OS X Server 10.6 through 10.6.3 are vulnerable.

NOTE: This issue was previously covered in BID 40871 (Apple Mac OS X Prior to 10.6.4 Multiple Security Vulnerabilities), but has been given its own record to better document it.

Exploit / POC

Apple Mac OS X DesktopServices Component Insecure File Permissions Vulnerability

Attackers require local access to exploit this issue.

Solution / Fix

Apple Mac OS X DesktopServices Component Insecure File Permissions Vulnerability

Solution:
The vendor has released an advisory and updates to address this issue. Please see the references for more information.


Apple Mac OS X Server 10.6

Apple Mac OS X 10.6

Apple Mac OS X Server 10.5.8

Apple Mac OS X 10.5.8

Apple Mac OS X Server 10.6.1

Apple Mac OS X 10.6.1

Apple Mac OS X 10.6.2

Apple Mac OS X Server 10.6.2

Apple Mac OS X 10.6.3

Apple Mac OS X Server 10.6.3

References

Apple Mac OS X DesktopServices Component Insecure File Permissions Vulnerability

References:

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