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Category:   Application (Generic)  >   LibTIFF Vendors:   libtiff.org
(Debian Issues Fix) LibTIFF Overflows in TIFFFetchStripThing() and in Processing Directory Entries May Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1012690
SecurityTracker URL:  http://securitytracker.com/id/1012690
CVE Reference:   CAN-2004-1308   (Links to External Site)
Date:  Dec 24 2004
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 3.7.1
Description:   Some buffer overflow vulnerabilities were reported in LibTIFF. A remote user may be able to execute arbitrary code.

iDEFENSE reported that a remote user can create a specially crafted TIFF file that, when loaded by the target user, will execute arbitrary code on the target user's system. The code will run with the privileges of the target user.

A heap overflow can be triggered in the TIFFFetchStripThing() function in 'tif_dirread.c' when processing a TIFF file containing the STRIPOFFSETS flag. [Editor's note: This bug was independently corrected by the vendor in version 3.7.0.]

It is also reported that an overflow may occur in 'tif_dirread.c' when the TIFF file contains a TIFF_ASCII or TIFF_UNDEFINED directory entry.

The vendor was notified on December 17, 2004.

infamous41md[at]hotpop.com is credited with discovering the directory entry overflow flaw.
Impact:   A remote user can create a specially crafted TIFF file that, when loaded by the target user, will execute arbitrary code on the target user's system with the privileges of the target user.
Solution:   Debian has released a fix.

Debian GNU/Linux 3.0 alias woody:

Source archives:

http://security.debian.org/pool/updates/main/t/tiff/tiff_3.5.5-6.woody3.dsc
Size/MD5 checksum: 637 340b528a9a2735be4445813d3b31bebd
http://security.debian.org/pool/updates/main/t/tiff/tiff_3.5.5-6.woody3.diff.gz
Size/MD5 checksum: 36863 0fcfc242c2912f11ddfa61e5acf6a3b5
http://security.debian.org/pool/updates/main/t/tiff/tiff_3.5.5.orig.tar.gz
Size/MD5 checksum: 693641 3b7199ba793dec6ca88f38bb0c8cc4d8

Alpha architecture:

http://security.debian.org/pool/updates/main/t/tiff/libtiff-tools_3.5.5-6.woody3_alpha.deb
Size/MD5 checksum: 141430 e2a4e5353b5190ba2f271b9e430f4d8a
http://security.debian.org/pool/updates/main/t/tiff/libtiff3g_3.5.5-6.woody3_alpha.deb
Size/MD5 checksum: 105324 61006312584ef5098a6fedfb8b8eec5c
http://security.debian.org/pool/updates/main/t/tiff/libtiff3g-dev_3.5.5-6.woody3_alpha.deb
Size/MD5 checksum: 423230 c37b5c0a9f11461b31552091e84f1034

ARM architecture:

http://security.debian.org/pool/updates/main/t/tiff/libtiff-tools_3.5.5-6.woody3_arm.deb
Size/MD5 checksum: 116942 7e670291be3f1e88a7cf87238c8f4dc8
http://security.debian.org/pool/updates/main/t/tiff/libtiff3g_3.5.5-6.woody3_arm.deb
Size/MD5 checksum: 90626 462d7e4027442042d9794f833fb42776
http://security.debian.org/pool/updates/main/t/tiff/libtiff3g-dev_3.5.5-6.woody3_arm.deb
Size/MD5 checksum: 404272 021f714fb0ba6297a7edab37288d0d1d

Intel IA-32 architecture:

http://security.debian.org/pool/updates/main/t/tiff/libtiff-tools_3.5.5-6.woody3_i386.deb
Size/MD5 checksum: 112074 31124799ab739639d42ba7d994305c04
http://security.debian.org/pool/updates/main/t/tiff/libtiff3g_3.5.5-6.woody3_i386.deb
Size/MD5 checksum: 81192 ff56b894c1f3d992daa72156eebf1bb8
http://security.debian.org/pool/updates/main/t/tiff/libtiff3g-dev_3.5.5-6.woody3_i386.deb
Size/MD5 checksum: 386982 4520ae6f631c76558b9d2e519018f331

Intel IA-64 architecture:

http://security.debian.org/pool/updates/main/t/tiff/libtiff-tools_3.5.5-6.woody3_ia64.deb
Size/MD5 checksum: 158772 8dca52e254f5169876bdda83d5a73e62
http://security.debian.org/pool/updates/main/t/tiff/libtiff3g_3.5.5-6.woody3_ia64.deb
Size/MD5 checksum: 135576 67bf80f51715e09f59bdae774b5ad53b
http://security.debian.org/pool/updates/main/t/tiff/libtiff3g-dev_3.5.5-6.woody3_ia64.deb
Size/MD5 checksum: 446536 54c08823147ca27851c1bb1c29aeced7

HP Precision architecture:

http://security.debian.org/pool/updates/main/t/tiff/libtiff-tools_3.5.5-6.woody3_hppa.deb
Size/MD5 checksum: 128308 e62fd69fdbf5dd6dc337347e907d341d
http://security.debian.org/pool/updates/main/t/tiff/libtiff3g_3.5.5-6.woody3_hppa.deb
Size/MD5 checksum: 106956 296b0ead43581f15dee241d9c41141e2
http://security.debian.org/pool/updates/main/t/tiff/libtiff3g-dev_3.5.5-6.woody3_hppa.deb
Size/MD5 checksum: 420350 f1808003f1367691ea1d91227dfd9e09

Motorola 680x0 architecture:

http://security.debian.org/pool/updates/main/t/tiff/libtiff-tools_3.5.5-6.woody3_m68k.deb
Size/MD5 checksum: 107296 96ff857cd9e55fd6353285eeb7df7c33
http://security.debian.org/pool/updates/main/t/tiff/libtiff3g_3.5.5-6.woody3_m68k.deb
Size/MD5 checksum: 79934 38565385a51542dcfe6c2fb25da5ef50
http://security.debian.org/pool/updates/main/t/tiff/libtiff3g-dev_3.5.5-6.woody3_m68k.deb
Size/MD5 checksum: 380168 85a1ad91ded95885ff7a3e5d95f51d53

Big endian MIPS architecture:

http://security.debian.org/pool/updates/main/t/tiff/libtiff-tools_3.5.5-6.woody3_mips.deb
Size/MD5 checksum: 124070 6dbd5984962bbbeb495cfee6c8dcb084
http://security.debian.org/pool/updates/main/t/tiff/libtiff3g_3.5.5-6.woody3_mips.deb
Size/MD5 checksum: 87990 fc176880406aa7a7b1cc5a8c72f94dae
http://security.debian.org/pool/updates/main/t/tiff/libtiff3g-dev_3.5.5-6.woody3_mips.deb
Size/MD5 checksum: 410780 319dd3f620c98980e1af2768900a65d3

Little endian MIPS architecture:

http://security.debian.org/pool/updates/main/t/tiff/libtiff-tools_3.5.5-6.woody3_mipsel.deb
Size/MD5 checksum: 123700 ea4c56022faf06f7f83b1f67d2098f98
http://security.debian.org/pool/updates/main/t/tiff/libtiff3g_3.5.5-6.woody3_mipsel.deb
Size/MD5 checksum: 88360 8d5acf467a5e30e7a748d454e1de6722
http://security.debian.org/pool/updates/main/t/tiff/libtiff3g-dev_3.5.5-6.woody3_mipsel.deb
Size/MD5 checksum: 411336 a8d1830a5e13862ec418e4765d421c9f

PowerPC architecture:

http://security.debian.org/pool/updates/main/t/tiff/libtiff-tools_3.5.5-6.woody3_powerpc.deb
Size/MD5 checksum: 116054 0d01da61ec3f6b9500d3f930f4f5f314
http://security.debian.org/pool/updates/main/t/tiff/libtiff3g_3.5.5-6.woody3_powerpc.deb
Size/MD5 checksum: 89600 adcfaa660fb4892be2c07383e5e29e64
http://security.debian.org/pool/updates/main/t/tiff/libtiff3g-dev_3.5.5-6.woody3_powerpc.deb
Size/MD5 checksum: 402430 8e263f5531615f6a870ad83a8de1b56b

IBM S/390 architecture:

http://security.debian.org/pool/updates/main/t/tiff/libtiff-tools_3.5.5-6.woody3_s390.deb
Size/MD5 checksum: 116884 e99840003f0b894d57ca73831019d151
http://security.debian.org/pool/updates/main/t/tiff/libtiff3g_3.5.5-6.woody3_s390.deb
Size/MD5 checksum: 91924 afa7e1b5f6784102f46ff3b51c2e89eb
http://security.debian.org/pool/updates/main/t/tiff/libtiff3g-dev_3.5.5-6.woody3_s390.deb
Size/MD5 checksum: 395340 4ebcdeeab43bd13178e8eb27fea9ba2a

Sun Sparc architecture:

http://security.debian.org/pool/updates/main/t/tiff/libtiff-tools_3.5.5-6.woody3_sparc.deb
Size/MD5 checksum: 132894 3819976028448bb9cee99fb0b9b197e4
http://security.debian.org/pool/updates/main/t/tiff/libtiff3g_3.5.5-6.woody3_sparc.deb
Size/MD5 checksum: 88714 31f53c25d338a8a44ae2c951d1c49221
http://security.debian.org/pool/updates/main/t/tiff/libtiff3g-dev_3.5.5-6.woody3_sparc.deb
Size/MD5 checksum: 397068 26af71d9e153480ffd79791794a5da86
Vendor URL:  www.libtiff.org/ (Links to External Site)
Cause:   Boundary error
Underlying OS:   Linux (Debian)

Message History:   This archive entry is a follow-up to the message listed below.
Dec 22 2004 LibTIFF Overflows in TIFFFetchStripThing() and in Processing Directory Entries May Let Remote Users Execute Arbitrary Code


 Source Message Contents
Date:  Fri, 24 Dec 2004 15:15:44 +0100 (CET)
Subject:  [SECURITY] [DSA 617-1] New libtiff packages fix arbitrary code execution


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

- --------------------------------------------------------------------------
Debian Security Advisory DSA 617-1                     security@debian.org
http://www.debian.org/security/                             Martin Schulze
December 24th, 2004                     http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : tiff
Vulnerability  : insufficient input validation
Problem-Type   : remote
Debian-specific: no
CVE ID         : CAN-2004-1308

"infamous41md" discovered a problem in libtiff, the Tag Image File
Format library for processing TIFF graphics files.  Upon reading a
TIFF file it is possible to allocate a zero sized buffer and write to
it which would lead to the execution of arbitrary code.

For the stable distribution (woody) this problem has been fixed in
version 3.5.5-6woody2.

For the unstable distribution (sid) this problem has been fixed in
version 3.6.1-4.

We recommend that you upgrade your libtiff packages immediately.


Upgrade Instructions
- --------------------

wget url
        will fetch the file for you
dpkg -i file.deb
        will install the referenced file.

If you are using the apt-get package manager, use the line for
sources.list as given below:

apt-get update
        will update the internal database
apt-get upgrade
        will install corrected packages

You may use an automated update by adding the resources from the
footer to the proper configuration.


Debian GNU/Linux 3.0 alias woody
- --------------------------------

  Source archives:

    http://security.debian.org/pool/updates/main/t/tiff/tiff_3.5.5-6.woody3.dsc
      Size/MD5 checksum:      637 340b528a9a2735be4445813d3b31bebd
    http://security.debian.org/pool/updates/main/t/tiff/tiff_3.5.5-6.woody3.diff.gz
      Size/MD5 checksum:    36863 0fcfc242c2912f11ddfa61e5acf6a3b5
    http://security.debian.org/pool/updates/main/t/tiff/tiff_3.5.5.orig.tar.gz
      Size/MD5 checksum:   693641 3b7199ba793dec6ca88f38bb0c8cc4d8

  Alpha architecture:

    http://security.debian.org/pool/updates/main/t/tiff/libtiff-tools_3.5.5-6.woody3_alpha.deb
      Size/MD5 checksum:   141430 e2a4e5353b5190ba2f271b9e430f4d8a
    http://security.debian.org/pool/updates/main/t/tiff/libtiff3g_3.5.5-6.woody3_alpha.deb
      Size/MD5 checksum:   105324 61006312584ef5098a6fedfb8b8eec5c
    http://security.debian.org/pool/updates/main/t/tiff/libtiff3g-dev_3.5.5-6.woody3_alpha.deb
      Size/MD5 checksum:   423230 c37b5c0a9f11461b31552091e84f1034

  ARM architecture:

    http://security.debian.org/pool/updates/main/t/tiff/libtiff-tools_3.5.5-6.woody3_arm.deb
      Size/MD5 checksum:   116942 7e670291be3f1e88a7cf87238c8f4dc8
    http://security.debian.org/pool/updates/main/t/tiff/libtiff3g_3.5.5-6.woody3_arm.deb
      Size/MD5 checksum:    90626 462d7e4027442042d9794f833fb42776
    http://security.debian.org/pool/updates/main/t/tiff/libtiff3g-dev_3.5.5-6.woody3_arm.deb
      Size/MD5 checksum:   404272 021f714fb0ba6297a7edab37288d0d1d

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/t/tiff/libtiff-tools_3.5.5-6.woody3_i386.deb
      Size/MD5 checksum:   112074 31124799ab739639d42ba7d994305c04
    http://security.debian.org/pool/updates/main/t/tiff/libtiff3g_3.5.5-6.woody3_i386.deb
      Size/MD5 checksum:    81192 ff56b894c1f3d992daa72156eebf1bb8
    http://security.debian.org/pool/updates/main/t/tiff/libtiff3g-dev_3.5.5-6.woody3_i386.deb
      Size/MD5 checksum:   386982 4520ae6f631c76558b9d2e519018f331

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/t/tiff/libtiff-tools_3.5.5-6.woody3_ia64.deb
      Size/MD5 checksum:   158772 8dca52e254f5169876bdda83d5a73e62
    http://security.debian.org/pool/updates/main/t/tiff/libtiff3g_3.5.5-6.woody3_ia64.deb
      Size/MD5 checksum:   135576 67bf80f51715e09f59bdae774b5ad53b
    http://security.debian.org/pool/updates/main/t/tiff/libtiff3g-dev_3.5.5-6.woody3_ia64.deb
      Size/MD5 checksum:   446536 54c08823147ca27851c1bb1c29aeced7

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/t/tiff/libtiff-tools_3.5.5-6.woody3_hppa.deb
      Size/MD5 checksum:   128308 e62fd69fdbf5dd6dc337347e907d341d
    http://security.debian.org/pool/updates/main/t/tiff/libtiff3g_3.5.5-6.woody3_hppa.deb
      Size/MD5 checksum:   106956 296b0ead43581f15dee241d9c41141e2
    http://security.debian.org/pool/updates/main/t/tiff/libtiff3g-dev_3.5.5-6.woody3_hppa.deb
      Size/MD5 checksum:   420350 f1808003f1367691ea1d91227dfd9e09

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/t/tiff/libtiff-tools_3.5.5-6.woody3_m68k.deb
      Size/MD5 checksum:   107296 96ff857cd9e55fd6353285eeb7df7c33
    http://security.debian.org/pool/updates/main/t/tiff/libtiff3g_3.5.5-6.woody3_m68k.deb
      Size/MD5 checksum:    79934 38565385a51542dcfe6c2fb25da5ef50
    http://security.debian.org/pool/updates/main/t/tiff/libtiff3g-dev_3.5.5-6.woody3_m68k.deb
      Size/MD5 checksum:   380168 85a1ad91ded95885ff7a3e5d95f51d53

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/t/tiff/libtiff-tools_3.5.5-6.woody3_mips.deb
      Size/MD5 checksum:   124070 6dbd5984962bbbeb495cfee6c8dcb084
    http://security.debian.org/pool/updates/main/t/tiff/libtiff3g_3.5.5-6.woody3_mips.deb
      Size/MD5 checksum:    87990 fc176880406aa7a7b1cc5a8c72f94dae
    http://security.debian.org/pool/updates/main/t/tiff/libtiff3g-dev_3.5.5-6.woody3_mips.deb
      Size/MD5 checksum:   410780 319dd3f620c98980e1af2768900a65d3

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/t/tiff/libtiff-tools_3.5.5-6.woody3_mipsel.deb
      Size/MD5 checksum:   123700 ea4c56022faf06f7f83b1f67d2098f98
    http://security.debian.org/pool/updates/main/t/tiff/libtiff3g_3.5.5-6.woody3_mipsel.deb
      Size/MD5 checksum:    88360 8d5acf467a5e30e7a748d454e1de6722
    http://security.debian.org/pool/updates/main/t/tiff/libtiff3g-dev_3.5.5-6.woody3_mipsel.deb
      Size/MD5 checksum:   411336 a8d1830a5e13862ec418e4765d421c9f

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/t/tiff/libtiff-tools_3.5.5-6.woody3_powerpc.deb
      Size/MD5 checksum:   116054 0d01da61ec3f6b9500d3f930f4f5f314
    http://security.debian.org/pool/updates/main/t/tiff/libtiff3g_3.5.5-6.woody3_powerpc.deb
      Size/MD5 checksum:    89600 adcfaa660fb4892be2c07383e5e29e64
    http://security.debian.org/pool/updates/main/t/tiff/libtiff3g-dev_3.5.5-6.woody3_powerpc.deb
      Size/MD5 checksum:   402430 8e263f5531615f6a870ad83a8de1b56b

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/t/tiff/libtiff-tools_3.5.5-6.woody3_s390.deb
      Size/MD5 checksum:   116884 e99840003f0b894d57ca73831019d151
    http://security.debian.org/pool/updates/main/t/tiff/libtiff3g_3.5.5-6.woody3_s390.deb
      Size/MD5 checksum:    91924 afa7e1b5f6784102f46ff3b51c2e89eb
    http://security.debian.org/pool/updates/main/t/tiff/libtiff3g-dev_3.5.5-6.woody3_s390.deb
      Size/MD5 checksum:   395340 4ebcdeeab43bd13178e8eb27fea9ba2a

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/t/tiff/libtiff-tools_3.5.5-6.woody3_sparc.deb
      Size/MD5 checksum:   132894 3819976028448bb9cee99fb0b9b197e4
    http://security.debian.org/pool/updates/main/t/tiff/libtiff3g_3.5.5-6.woody3_sparc.deb
      Size/MD5 checksum:    88714 31f53c25d338a8a44ae2c951d1c49221
    http://security.debian.org/pool/updates/main/t/tiff/libtiff3g-dev_3.5.5-6.woody3_sparc.deb
      Size/MD5 checksum:   397068 26af71d9e153480ffd79791794a5da86


  These files will probably be moved into the stable distribution on
  its next update.

- ---------------------------------------------------------------------------------
For apt-get: deb http://security.debian.org/ stable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
Mailing list: debian-security-announce@lists.debian.org
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>

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