Apple Mac OS X Folder Manager Symbolic Link Handling Security Bypass Vulnerability

BID:40887

Info

Apple Mac OS X Folder Manager Symbolic Link Handling Security Bypass Vulnerability

Bugtraq ID: 40887
Class: Design Error
CVE: CVE-2010-0546
Remote: Yes
Local: No
Published: Jun 15 2010 12:00AM
Updated: Jun 15 2010 12:00AM
Credit: Apple
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 Folder Manager Symbolic Link Handling Security Bypass Vulnerability

Apple Mac OS X is prone to a security-bypass vulnerability that affects symbolic links within the Folder Manager component.

An attacker can exploit this issue to bypass certain security restrictions. Arbitrary folders can be deleted; this may aid in further attacks.

This issue affects 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.

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 Folder Manager Symbolic Link Handling Security Bypass Vulnerability

Attackers must entice an unsuspecting user into mounting and then unmounting a malicious volume to exploit this issue.

Solution / Fix

Apple Mac OS X Folder Manager Symbolic Link Handling Security Bypass Vulnerability

Solution:
Updates are available. 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 Folder Manager Symbolic Link Handling Security Bypass Vulnerability

References:

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