Apple Mac OS X Shared_Region_Make_Private_Np Kernel Function Local Memory Corruption Vulnerability

BID:21349

Info

Apple Mac OS X Shared_Region_Make_Private_Np Kernel Function Local Memory Corruption Vulnerability

Bugtraq ID: 21349
Class: Boundary Condition Error
CVE: CVE-2006-6173
Remote: No
Local: Yes
Published: Nov 29 2006 12:00AM
Updated: Mar 14 2007 03:54AM
Credit: LMH <[email protected]> is credited with the discovery of this vulnerability.
Vulnerable: Apple Mac OS X Server 10.4.8
Apple Mac OS X Server 10.4.7
Apple Mac OS X Server 10.4.6
Apple Mac OS X Server 10.4.5
Apple Mac OS X Server 10.4.4
Apple Mac OS X Server 10.4.3
Apple Mac OS X Server 10.4.2
Apple Mac OS X Server 10.4.1
Apple Mac OS X Server 10.4
Apple Mac OS X 10.4.8
Apple Mac OS X 10.4.7
Apple Mac OS X 10.4.6
Apple Mac OS X 10.4.5
Apple Mac OS X 10.4.4
Apple Mac OS X 10.4.3
Apple Mac OS X 10.4.2
Apple Mac OS X 10.4.1
Apple Mac OS X 10.4
Not Vulnerable: Apple Mac OS X Server 10.4.9
Apple Mac OS X 10.4.9

Discussion

Apple Mac OS X Shared_Region_Make_Private_Np Kernel Function Local Memory Corruption Vulnerability

Apple Mac OS X is prone to a local memory-corruption vulnerability. This issue occurs when the operating system fails to handle specially crafted arguments to a system call.

Attackers may exploit this issue to cause a kernel panic, effectively denying further service to legitimate users. Due to the nature of this issue, successful exploits may potentially result in the execution of arbitrary machine code in the context of the affected kernel, but this has not been confirmed.

Mac OS X version 10.4.8 is vulnerable to this issue; other versions may also be affected.

Exploit / POC

Apple Mac OS X Shared_Region_Make_Private_Np Kernel Function Local Memory Corruption Vulnerability

The following proof of concept demonstrates this issue.

Solution / Fix

Apple Mac OS X Shared_Region_Make_Private_Np Kernel Function Local Memory Corruption Vulnerability

Solution:
The vendor released an advisory and fixes to address this issue. Please see the references for further information.


Apple Mac OS X Server 10.4

Apple Mac OS X 10.4

Apple Mac OS X Server 10.4.1

Apple Mac OS X 10.4.1

Apple Mac OS X 10.4.2

Apple Mac OS X Server 10.4.2

Apple Mac OS X Server 10.4.3

Apple Mac OS X 10.4.3

Apple Mac OS X 10.4.4

Apple Mac OS X Server 10.4.4

Apple Mac OS X Server 10.4.5

Apple Mac OS X 10.4.5

Apple Mac OS X Server 10.4.6

Apple Mac OS X 10.4.6

Apple Mac OS X 10.4.7

Apple Mac OS X Server 10.4.7

Apple Mac OS X Server 10.4.8

Apple Mac OS X 10.4.8

References

Apple Mac OS X Shared_Region_Make_Private_Np Kernel Function Local Memory Corruption Vulnerability

References:
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