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Category:   OS (UNIX)  >   Apple CoreFoundation Vendors:   Apple Computer
Mac OS X CoreFoundation Integer Overflow in Processing CFData Objects Lets Users Execute Arbitrary Code
SecurityTracker Alert ID:  1020135
SecurityTracker URL:  http://securitytracker.com/id/1020135
CVE Reference:   CVE-2008-1030   (Links to External Site)
Date:  May 29 2008
Impact:   Execution of arbitrary code via local system, Execution of arbitrary code via network, User access via local system, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 10.5.3
Description:   A vulnerability was reported in Mac OS X CoreFoundation. A user can execute arbitrary code on the target system.

A user can create specially crafted CFData objects to trigger a heap overflow in CFDataReplaceBytes() and execute arbitrary code on the target system.

Applications that use the CFData API may be affected.

Impact:   A user can execute arbitrary code on the target system.
Solution:   The vendor has issued a fix as part of Security Update 2008-003 and Mac OS X v10.5.3, available from the Software Update pane in System Preferences, or Apple's Software Downloads web site at:

http://www.apple.com/support/downloads/

The Software Update utility will present the update that applies to your system configuration. Only one is needed, either Security Update 2008-003 or Mac OS X v10.5.3.

For Mac OS X v10.5.2
The download file is named: "MacOSXUpd10.5.3.dmg"
Its SHA-1 digest is: 017ef905e5653b04e2455da261e804a72bf40139

For Mac OS X v10.5 - v10.5.1
The download file is named: "MacOSXUpdCombo10.5.3.dmg"
Its SHA-1 digest is: 69acd7399de25f1548675d660fdf24eb401e3de3

For Mac OS X Server v10.5.2
The download file is named: "MacOSXServerUpd10.5.3.dmg"
Its SHA-1 digest is: 336c9dceca724eab0b8c9db3943be3f9ecf244a4

For Mac OS X Server v10.5 - v10.5.1
The download file is named: "MacOSXServerUpdCombo10.5.3.dmg"
Its SHA-1 digest is: fdb2187d19ce21caecd3c3ba6b6fa6f65c9c3a4f

For Mac OS X v10.4.11 (Intel)
The download file is named: "SecUpd2008-003Intel.dmg"
Its SHA-1 digest is: 8f84d2f757c2fb277b139f72ef501dc894620e97

For Mac OS X v10.4.11 (PowerPC)
The download file is named: "SecUpd2008-003PPC.dmg"
Its SHA-1 digest is: 51e98d988c5bb09d4b1052199d90a9d65af7c8e7

For Mac OS X Server v10.4.11 (Universal)
The download file is named: "SecUpdSrvr2008-003Univ.dmg"
Its SHA-1 digest is: 337a05956b5a6e962b286a91beee9eb217a0175c

For Mac OS X Server v10.4.11 (PowerPC)
The download file is named: "SecUpdSrvr2008-003PPC.dmg"
Its SHA-1 digest is: 94cab2b4e5d26a284c5d91d0fe4dc20b4e9cfc97

The vendor's advisory is available at:

http://support.apple.com/kb/HT1897

Vendor URL:  support.apple.com/kb/HT1897 (Links to External Site)
Cause:   Boundary error
Underlying OS:  

Message History:   None.


 Source Message Contents

Date:  Wed, 28 May 2008 15:59:23 -0700
Subject:  APPLE-SA-2008-05-28 Security Update 2008-003 and Mac OS X v10.5.3

CoreFoundation
CVE-ID:  CVE-2008-1030
Available for:  Mac OS X v10.4.11, Mac OS X Server v10.4.11,
Mac OS X v10.5 through v10.5.2, Mac OS X Server v10.5 through v10.5.2
Impact:  Applications' use of the CFData API in certain ways may lead
to an unexpected application termination or arbitrary code execution
Description:  An integer overflow in CoreFoundation's handling of
CFData objects may result in a heap buffer overflow. An application
calling CFDataReplaceBytes with an with invalid length argument may
unexpectedly terminate or lead to arbitrary code execution. This
update addresses the issue by performing additional validation of
length parameters.
 
 


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