(Apple Issues Fix for AppKit) LibTIFF Integer Overflow in 'tif_dirread' Lets Remote Users Deny Service
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SecurityTracker Alert ID: 1012401
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SecurityTracker URL: http://securitytracker.com/id?1012401
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CVE Reference: CAN-2004-0804
(Links to External Site)
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Date: Dec 2 2004
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Impact: Denial of service via network
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Fix Available: Yes
Vendor Confirmed: Yes
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Description: A vulnerability was reported in LibTIFF. A remote user can cause an application using LibTIFF to crash. Apple's AppKit is affected.
Debian reported that Matthias Clasen discovered a division by zero error through an integer overflow. The flaw resides in 'libtiff/tif_dirread.c'.
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Impact: A remote user can cause the target application to crash.
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Solution: Apple has issued a fix for AppKit (which is affected by the libtiff vulnerability) as part of Security Update 2004-12-02, available at:
- Software Update preferences
- Apple Downloads:
http://www.apple.com/swupdates/
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Vendor URL: www.apple.com/ (Links to External Site)
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Cause: Boundary error
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Underlying OS: UNIX (OS X)
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Underlying OS Comments: Mac OS X v10.3.6, Mac OS X Server v10.3.6, Mac OS X v10.2.8, Mac OS X Server v10.2.8
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Message History:
This archive entry is a follow-up to the message listed below.
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Source Message Contents
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Date: Thu, 2 Dec 2004 16:38:53 -0500
Subject: [none]
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Security Update 2004-12-02
Appkit
Available for: Mac OS X v10.3.6, Mac OS X Server v10.3.6, Mac OS X v10.2.8, Mac OS X Server v10.2.8
CVE-ID: CAN-2004-1081
Impact: Characters entered into a secure text field can be read by other applications
in the same window session
Description: In some circumstances a secure text input field will not correctly enable
secure input. This can allow other applications in the same window session to see some
input characters and keyboard events. Input to secure text fields is now enabled in a
way to prevent the leakage of key press information.
Appkit
Available for: Mac OS X v10.3.6, Mac OS X Server v10.3.6, Mac OS X v10.2.8, Mac OS X Server v10.2.8
CVE-ID: CAN-2004-0803, CAN-2004-0804, CAN-2004-0886
Impact: Integer overflows and poor range checking in tiff handling could allow to
execution of arbitrary code or denial of service.
Description: Flaws in decoding tiff images could overwrite memory, cause arithmetic
errors resulting in a crash, or permit the execution of arbitrary code. This update
corrects the problems in the handling of tiff images.
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