Apple Mac OS X 'ATSFontDeactivate' API CVE-2011-0230 Buffer Overflow Vulnerability

Bugtraq ID:	50099
Class:	Unknown
CVE:	CVE-2011-0230
Remote:	Yes
Local:	No
Published:	Oct 12 2011 12:00AM
Updated:	Oct 12 2011 12:00AM
Credit:	Steven Michaud of Mozilla
Vulnerable:	Apple Mac OS X Server 10.6.6 Apple Mac OS X Server 10.6.5 Apple Mac OS X Server 10.6.5 Apple Mac OS X Server 10.6.4 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 10.7.1 Apple Mac OS X Server 10.7 Apple Mac OS X Server 10.6.8 Apple Mac OS X Server 10.6.7 Apple Mac OS X Server 10.6 Apple Mac OS X 10.6.6 Apple Mac OS X 10.6.5 Apple Mac OS X 10.6.5 Apple Mac OS X 10.6.4 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 10.7.1 Apple Mac OS X 10.7 Apple Mac OS X 10.6.8 Apple Mac OS X 10.6.7 Apple Mac OS X 10.6
Not Vulnerable:	Apple Mac OS X Server 10.7.2 Apple Mac OS X 10.7.2

Apple Mac OS X 'ATSFontDeactivate' API CVE-2011-0230 Buffer Overflow Vulnerability

Apple Mac OS X is prone to a buffer-overflow vulnerability.

Attackers can exploit this issue to execute arbitrary code in the context of the affected application. Failed attacks will cause denial-of-service conditions.

OS X versions prior to 10.7.2 are affected.

NOTE: This issue was previously discussed in BID 50085 (Apple Mac OS X Prior to 10.7.2 Multiple Security Vulnerabilities) but has been given its own record to better document it.

Apple Mac OS X 'ATSFontDeactivate' API CVE-2011-0230 Buffer Overflow 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 'ATSFontDeactivate' API CVE-2011-0230 Buffer Overflow Vulnerability

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


Apple Mac OS X 10.6.8

• Apple SecUpd2011-006Snow.dmg
  http://www.apple.com/support/downloads/

Apple Mac OS X Server 10.6.8

• Apple SecUpdSrvr2011-006.dmg
  http://www.apple.com/support/downloads/

Apple Mac OS X 10.7.1

• Apple MacOSXUpd10.7.2.dmg
  http://www.apple.com/support/downloads/

Apple Mac OS X Server 10.7.1

• Apple MacOSXServerUpd10.7.2.dmg
  http://www.apple.com/support/downloads/

Apple Mac OS X Server 10.7

• Apple MacOSXServerUpdCombo10.7.2.dmg
  http://www.apple.com/support/downloads/

Apple Mac OS X 10.7

• Apple MacOSXUpdCombo10.7.2.dmg
  http://www.apple.com/support/downloads/

Apple Mac OS X 'ATSFontDeactivate' API CVE-2011-0230 Buffer Overflow Vulnerability

References:

• Mac OS X Homepage (Apple)