Apple Mac OS X Samba Wide Links Symbolic Link Handling Security Bypass Vulnerability

BID:40893

Info

Apple Mac OS X Samba Wide Links Symbolic Link Handling Security Bypass Vulnerability

Bugtraq ID: 40893
Class: Configuration Error
CVE: CVE-2010-1381
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 Samba Wide Links Symbolic Link Handling Security Bypass Vulnerability

Apple Mac OS X is prone to a security-bypass vulnerability that affects symbolic links within Samba (SMB) shares.

Attackers require access to a mounted SMB share to exploit this issue. An attacker can exploit this issue to bypass certain security restrictions to access arbitrary files. 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 Samba Wide Links Symbolic Link Handling Security Bypass Vulnerability

Attackers can use readily available tools to exploit this issue.

Solution / Fix

Apple Mac OS X Samba Wide Links 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 Samba Wide Links Symbolic Link Handling Security Bypass Vulnerability

References:

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