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Category:   Application (Generic)  >   LibTIFF Vendors:   libtiff.org
(Conectiva Issues Fix) LibTIFF Integer Overflow in 'tif_dirread' Lets Remote Users Deny Service
SecurityTracker Alert ID:  1012125
SecurityTracker URL:  http://securitytracker.com/id/1012125
CVE Reference:   CVE-2004-0804   (Links to External Site)
Date:  Nov 8 2004
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 3.6.1
Description:   A vulnerability was reported in LibTIFF. A remote user can cause an application using LibTIFF to crash.

Debian reported that Matthias Clasen discovered a division by zero error through an integer overflow. The flaw resides in 'libtiff/tif_dirread.c'.

Impact:   A remote user can cause the target application to crash.
Solution:   Conectiva has released a fix.

ftp://atualizacoes.conectiva.com.br/10/SRPMS/libtiff3-3.5.7-53035U10_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/libtiff-devel-3.5.7-53035U10_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/libtiff-devel-static-3.5.7-53035U10_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/libtiff-progs-3.5.7-53035U10_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/libtiff3-3.5.7-53035U10_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/SRPMS/libtiff3-3.5.7-8492U90_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/libtiff-devel-3.5.7-8492U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/libtiff-devel-static-3.5.7-8492U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/libtiff-progs-3.5.7-8492U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/libtiff3-3.5.7-8492U90_1cl.i386.rpm

Vendor URL:  www.libtiff.org/ (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Conectiva)
Underlying OS Comments:  9, 10

Message History:   This archive entry is a follow-up to the message listed below.
Oct 15 2004 LibTIFF Integer Overflow in 'tif_dirread' Lets Remote Users Deny Service



 Source Message Contents

Subject:  [Conectiva-updates] [CLA-2004:888] Conectiva Security Announcement


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

- --------------------------------------------------------------------------
CONECTIVA LINUX SECURITY ANNOUNCEMENT 
- --------------------------------------------------------------------------

PACKAGE   : libtiff3
SUMMARY   : Fixes for libtiff vulnerabilities
DATE      : 2004-11-08 11:19:00
ID        : CLA-2004:888
RELEVANT
RELEASES  : 9, 10

- -------------------------------------------------------------------------

DESCRIPTION
 libtiff[1] is a library for handling TIFF images.
 
 This announcement fixes several integer overflow vulnerabilities that
 were encountered in libtiff.
 
 The fixed vulnerabilities are:
 
 CAN-2004-0803: Chris Evans encountered several problems in the RLE
 (Run Length Encoding) decoders that could lead to an arbitrary code
 execution vulnerability through a specially crafted image.
 
 CAN-2004-0804: Matthias Clasen encountered a division by zero through
 an integer overflow that could lead to a denial of service
 vulnerability which could be triggered by a specially crafted image.
 
 CAN-2004-0886: Dmitry V. Levin encountered several integer overflows
 that caused malloc issues which could result in either plain a crash
 or memory corruption.


SOLUTION
 It is recommended that all libtiff users upgrade their packages.
 
 IMPORTANT: all applications linked against libff must be restarted
 after the upgrade in order to close the vulnerabilities.
 
 
 REFERENCES
 1.http://www.libtiff.org
 2.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0803
 3.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0804
 4.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0886


UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/10/SRPMS/libtiff3-3.5.7-53035U10_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/libtiff-devel-3.5.7-53035U10_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/libtiff-devel-static-3.5.7-53035U10_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/libtiff-progs-3.5.7-53035U10_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/10/RPMS/libtiff3-3.5.7-53035U10_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/SRPMS/libtiff3-3.5.7-8492U90_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/libtiff-devel-3.5.7-8492U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/libtiff-devel-static-3.5.7-8492U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/libtiff-progs-3.5.7-8492U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/libtiff3-3.5.7-8492U90_1cl.i386.rpm


ADDITIONAL INSTRUCTIONS
 The apt tool can be used to perform RPM packages upgrades:

 - run:                 apt-get update
 - after that, execute: apt-get upgrade

 Detailed instructions regarding the use of apt and upgrade examples 
 can be found at http://distro.conectiva.com.br/atualizacoes/#apt?idioma=en

- -------------------------------------------------------------------------
All packages are signed with Conectiva's GPG key. The key and instructions
on how to import it can be found at 
http://distro.conectiva.com.br/seguranca/chave/?idioma=en
Instructions on how to check the signatures of the RPM packages can be
found at http://distro.conectiva.com.br/seguranca/politica/?idioma=en

- -------------------------------------------------------------------------
All our advisories and generic update instructions can be viewed at
http://distro.conectiva.com.br/atualizacoes/?idioma=en

- -------------------------------------------------------------------------
Copyright (c) 2004 Conectiva Inc.
http://www.conectiva.com

- -------------------------------------------------------------------------
subscribe: conectiva-updates-subscribe@papaleguas.conectiva.com.br
unsubscribe: conectiva-updates-unsubscribe@papaleguas.conectiva.com.br
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Version: GnuPG v1.0.6 (GNU/Linux)
Comment: For info see http://www.gnupg.org

iD8DBQFBj3Kg42jd0JmAcZARAgDUAKDkHA0wDki3F8kphf1lJ+KK9mLSKwCg8oXX
Xzc3LeuVQZJlhQQw0Fn2gXw=
=zInc
-----END PGP SIGNATURE-----

______________________________________________________________________
subscribe: conectiva-updates-subscribe@papaleguas.conectiva.com.br
unsubscribe: conectiva-updates-unsubscribe@papaleguas.conectiva.com.br

 
 


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