Apple Mac OS X Login Window Race Condition Vulnerability

Bugtraq ID:	36984
Class:	Race Condition Error
CVE:	CVE-2009-2836
Remote:	No
Local:	Yes
Published:	Nov 09 2009 12:00AM
Updated:	Nov 11 2009 08:26PM
Credit:	Apple
Vulnerable:	Apple Mac OS X Server 10.6.1 Apple Mac OS X Server 10.6 Apple Mac OS X 10.6.1 Apple Mac OS X 10.6
Not Vulnerable:	Apple Mac OS X Server 10.6.2 Apple Mac OS X 10.6.2

Apple Mac OS X Login Window Race Condition Vulnerability

Apple Mac OS X is prone to a race-condition vulnerability in Login Window.

Under certain circumstances, a local attacker can exploit this issue to access the system with elevated privileges.

This issue affects the following:

Mac OS X 10.6 and 10.6.1
Mac OS X Server 10.6 and 10.6.1

NOTE: This issue was previously covered in BID 36956 (Apple Mac OS X 2009-006 Multiple Security Vulnerabilities), but has been assigned its own record to better document it.

Apple Mac OS X Login Window Race Condition Vulnerability

Currently we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Apple Mac OS X Login Window Race Condition Vulnerability

Solution:
Vendor updates are available. Please see the references for details.


Apple Mac OS X 10.6

• Apple MacOSXUpdCombo10.6.2.dmg
  For Mac OS X v10.6
  http://www.apple.com/support/downloads/

Apple Mac OS X Server 10.6

• Apple MacOSXServerUpdCombo10.6.2.dmg
  For Mac OS X Server v10.6
  http://www.apple.com/support/downloads/

Apple Mac OS X Server 10.6.1

• Apple MacOSXServerUpd10.6.2.dmg
  For Mac OS X Server v10.6.1
  http://www.apple.com/support/downloads/

Apple Mac OS X 10.6.1

• Apple MacOSXUpd10.6.2.dmg
  For Mac OS X v10.6.1
  http://www.apple.com/support/downloads/

Apple Mac OS X Login Window Race Condition Vulnerability

References:

• Mac OS X Homepage (Apple)