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Category:   Application (Generic)  >   imlib2 Vendors:   [Multiple Authors/Vendors]
(Debian Issues Fix) imlib2 BMP Decoding Buffer Overflow May Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1011399
SecurityTracker URL:  http://securitytracker.com/id/1011399
CVE Reference:   CVE-2004-0802   (Links to External Site)
Date:  Sep 23 2004
Impact:   Denial of service via network, Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 1.1.1 and prior versions
Description:   A vulnerability was reported in imlib2 in the processing of BMP images. A remote user can cause imlib2 to crash or potentially execute arbitrary code.

The vendor reported that a remote user can create a specially crafted BMP image file containing runlength-encoded images that, when decoded by the target user, will cause imlib2 to crash.

Marcus Meissner discovered this vulnerability.

A demonstration exploit image from Chris Evans is available at:

http://bugzilla.gnome.org/attachment.cgi?id=30933&action=view

Impact:   A remote user can create a BMP file that, when decoded by the target user, will cause imlib2 to crash. It may also be possible to cause arbitrary code to be executed. The specific impact depends on the application using imlib2.
Solution:   Debian has released a fix.

Debian GNU/Linux 3.0 alias woody:

Source archives:

http://security.debian.org/pool/updates/main/i/imlib2/imlib2_1.0.5-2woody1.dsc
Size/MD5 checksum: 733 6e0c48c0bb26f71779994f48a1276f7d
http://security.debian.org/pool/updates/main/i/imlib2/imlib2_1.0.5-2woody1.diff.gz
Size/MD5 checksum: 23552 75fc0654f4d5e8541a3def4e9b8682ea
http://security.debian.org/pool/updates/main/i/imlib2/imlib2_1.0.5.orig.tar.gz
Size/MD5 checksum: 688261 3b1a80c95ff2a4cfb3bce49e27d94461

Alpha architecture:

http://security.debian.org/pool/updates/main/i/imlib2/libimlib2_1.0.5-2woody1_alpha.deb
Size/MD5 checksum: 191008 1932e664898be7eb536ed57c13c72092
http://security.debian.org/pool/updates/main/i/imlib2/libimlib2-dev_1.0.5-2woody1_alpha.deb
Size/MD5 checksum: 482610 412010c09df703e76c35d772c8a94e27

ARM architecture:

http://security.debian.org/pool/updates/main/i/imlib2/libimlib2_1.0.5-2woody1_arm.deb
Size/MD5 checksum: 165138 58f39fa64ab03d1426edb509a2bdba4f
http://security.debian.org/pool/updates/main/i/imlib2/libimlib2-dev_1.0.5-2woody1_arm.deb
Size/MD5 checksum: 440882 6241d966c3f4ea7e1c4e5df327b424e1

Intel IA-32 architecture:

http://security.debian.org/pool/updates/main/i/imlib2/libimlib2_1.0.5-2woody1_i386.deb
Size/MD5 checksum: 149288 8cb2235e5b522658c8a1bfd08f8deb77
http://security.debian.org/pool/updates/main/i/imlib2/libimlib2-dev_1.0.5-2woody1_i386.deb
Size/MD5 checksum: 403260 263d6ce6bebe21750107b6b8e01133d3

Intel IA-64 architecture:

http://security.debian.org/pool/updates/main/i/imlib2/libimlib2_1.0.5-2woody1_ia64.deb
Size/MD5 checksum: 246578 4b36c9ec394e4eb52ccbbaa45812e71e
http://security.debian.org/pool/updates/main/i/imlib2/libimlib2-dev_1.0.5-2woody1_ia64.deb
Size/MD5 checksum: 508040 d9d004de6215343005bd9103c3bde9e1

HP Precision architecture:

http://security.debian.org/pool/updates/main/i/imlib2/libimlib2_1.0.5-2woody1_hppa.deb
Size/MD5 checksum: 193378 bff4a447aa4ccf25639afa48dfc1d66a
http://security.debian.org/pool/updates/main/i/imlib2/libimlib2-dev_1.0.5-2woody1_hppa.deb
Size/MD5 checksum: 467328 6e126882e888d9eee559695747527d0c

Motorola 680x0 architecture:

http://security.debian.org/pool/updates/main/i/imlib2/libimlib2_1.0.5-2woody1_m68k.deb
Size/MD5 checksum: 149228 f8de84277791acfe4d21980c18dc785f
http://security.debian.org/pool/updates/main/i/imlib2/libimlib2-dev_1.0.5-2woody1_m68k.deb
Size/MD5 checksum: 402160 e47af6aa12039f334361c0847bef326b

Big endian MIPS architecture:

http://security.debian.org/pool/updates/main/i/imlib2/libimlib2_1.0.5-2woody1_mips.deb
Size/MD5 checksum: 157820 c320f8730e74ab8fef95315c12eef054
http://security.debian.org/pool/updates/main/i/imlib2/libimlib2-dev_1.0.5-2woody1_mips.deb
Size/MD5 checksum: 447128 8e890ee8e806f922bc236025890d96df

Little endian MIPS architecture:

http://security.debian.org/pool/updates/main/i/imlib2/libimlib2_1.0.5-2woody1_mipsel.deb
Size/MD5 checksum: 156994 a5eb9cd7a19e755e225435d42a1bc1b9
http://security.debian.org/pool/updates/main/i/imlib2/libimlib2-dev_1.0.5-2woody1_mipsel.deb
Size/MD5 checksum: 439402 dedf6435b9984f7595b44e554af52031

PowerPC architecture:

http://security.debian.org/pool/updates/main/i/imlib2/libimlib2_1.0.5-2woody1_powerpc.deb
Size/MD5 checksum: 168606 2b5a9e85e4b05ec4235fe2c7bb27ee54
http://security.debian.org/pool/updates/main/i/imlib2/libimlib2-dev_1.0.5-2woody1_powerpc.deb
Size/MD5 checksum: 443384 83a929d947b89e3338c4ec80e88fd84f

IBM S/390 architecture:

http://security.debian.org/pool/updates/main/i/imlib2/libimlib2_1.0.5-2woody1_s390.deb
Size/MD5 checksum: 168770 c120eb24b687a7452fde8f1f8eb6f50c
http://security.debian.org/pool/updates/main/i/imlib2/libimlib2-dev_1.0.5-2woody1_s390.deb
Size/MD5 checksum: 421318 fe87d6d3664c181e3da123acec565c6c

Sun Sparc architecture:

http://security.debian.org/pool/updates/main/i/imlib2/libimlib2_1.0.5-2woody1_sparc.deb
Size/MD5 checksum: 166128 765676ea4c0755eeb95bee7f8eebd980
http://security.debian.org/pool/updates/main/i/imlib2/libimlib2-dev_1.0.5-2woody1_sparc.deb
Size/MD5 checksum: 434668 c343afb55a57309a3b4d402c26058d01

Vendor URL:  www.debian.org/security/ (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Debian)
Underlying OS Comments:  3.0

Message History:   This archive entry is a follow-up to the message listed below.
Aug 31 2004 imlib2 BMP Decoding Buffer Overflow May Let Remote Users Execute Arbitrary Code



 Source Message Contents

Subject:  [SECURITY] [DSA 552-1] New imlib2 packages fix potential arbitrary code execution


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

- --------------------------------------------------------------------------
Debian Security Advisory DSA 552-1                     security@debian.org
http://www.debian.org/security/                             Martin Schulze
September 22nd, 2004                    http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : imlib2
Vulnerability  : unsanitised input
Problem-Type   : remote
Debian-specific: no
CVE ID         : CAN-2004-0802
Debian Bug     : 271375

Marcus Meissner discovered a heap overflow error in imlib2, an imaging
library for X and X11 and the successor of imlib, that may be utilised
by an attacker to execute arbitrary code on the victims machine.

For the stable distribution (woody) this problem has been fixed in
version 1.0.5-2woody1.

For the unstable distribution (sid) this problem has been fixed in
version 1.1.0-12.4.

We recommend that you upgrade your imlib2 packages.


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/i/imlib2/imlib2_1.0.5-2woody1.dsc
      Size/MD5 checksum:      733 6e0c48c0bb26f71779994f48a1276f7d
    http://security.debian.org/pool/updates/main/i/imlib2/imlib2_1.0.5-2woody1.diff.gz
      Size/MD5 checksum:    23552 75fc0654f4d5e8541a3def4e9b8682ea
    http://security.debian.org/pool/updates/main/i/imlib2/imlib2_1.0.5.orig.tar.gz
      Size/MD5 checksum:   688261 3b1a80c95ff2a4cfb3bce49e27d94461

  Alpha architecture:

    http://security.debian.org/pool/updates/main/i/imlib2/libimlib2_1.0.5-2woody1_alpha.deb
      Size/MD5 checksum:   191008 1932e664898be7eb536ed57c13c72092
    http://security.debian.org/pool/updates/main/i/imlib2/libimlib2-dev_1.0.5-2woody1_alpha.deb
      Size/MD5 checksum:   482610 412010c09df703e76c35d772c8a94e27

  ARM architecture:

    http://security.debian.org/pool/updates/main/i/imlib2/libimlib2_1.0.5-2woody1_arm.deb
      Size/MD5 checksum:   165138 58f39fa64ab03d1426edb509a2bdba4f
    http://security.debian.org/pool/updates/main/i/imlib2/libimlib2-dev_1.0.5-2woody1_arm.deb
      Size/MD5 checksum:   440882 6241d966c3f4ea7e1c4e5df327b424e1

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/i/imlib2/libimlib2_1.0.5-2woody1_i386.deb
      Size/MD5 checksum:   149288 8cb2235e5b522658c8a1bfd08f8deb77
    http://security.debian.org/pool/updates/main/i/imlib2/libimlib2-dev_1.0.5-2woody1_i386.deb
      Size/MD5 checksum:   403260 263d6ce6bebe21750107b6b8e01133d3

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/i/imlib2/libimlib2_1.0.5-2woody1_ia64.deb
      Size/MD5 checksum:   246578 4b36c9ec394e4eb52ccbbaa45812e71e
    http://security.debian.org/pool/updates/main/i/imlib2/libimlib2-dev_1.0.5-2woody1_ia64.deb
      Size/MD5 checksum:   508040 d9d004de6215343005bd9103c3bde9e1

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/i/imlib2/libimlib2_1.0.5-2woody1_hppa.deb
      Size/MD5 checksum:   193378 bff4a447aa4ccf25639afa48dfc1d66a
    http://security.debian.org/pool/updates/main/i/imlib2/libimlib2-dev_1.0.5-2woody1_hppa.deb
      Size/MD5 checksum:   467328 6e126882e888d9eee559695747527d0c

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/i/imlib2/libimlib2_1.0.5-2woody1_m68k.deb
      Size/MD5 checksum:   149228 f8de84277791acfe4d21980c18dc785f
    http://security.debian.org/pool/updates/main/i/imlib2/libimlib2-dev_1.0.5-2woody1_m68k.deb
      Size/MD5 checksum:   402160 e47af6aa12039f334361c0847bef326b

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/i/imlib2/libimlib2_1.0.5-2woody1_mips.deb
      Size/MD5 checksum:   157820 c320f8730e74ab8fef95315c12eef054
    http://security.debian.org/pool/updates/main/i/imlib2/libimlib2-dev_1.0.5-2woody1_mips.deb
      Size/MD5 checksum:   447128 8e890ee8e806f922bc236025890d96df

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/i/imlib2/libimlib2_1.0.5-2woody1_mipsel.deb
      Size/MD5 checksum:   156994 a5eb9cd7a19e755e225435d42a1bc1b9
    http://security.debian.org/pool/updates/main/i/imlib2/libimlib2-dev_1.0.5-2woody1_mipsel.deb
      Size/MD5 checksum:   439402 dedf6435b9984f7595b44e554af52031

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/i/imlib2/libimlib2_1.0.5-2woody1_powerpc.deb
      Size/MD5 checksum:   168606 2b5a9e85e4b05ec4235fe2c7bb27ee54
    http://security.debian.org/pool/updates/main/i/imlib2/libimlib2-dev_1.0.5-2woody1_powerpc.deb
      Size/MD5 checksum:   443384 83a929d947b89e3338c4ec80e88fd84f

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/i/imlib2/libimlib2_1.0.5-2woody1_s390.deb
      Size/MD5 checksum:   168770 c120eb24b687a7452fde8f1f8eb6f50c
    http://security.debian.org/pool/updates/main/i/imlib2/libimlib2-dev_1.0.5-2woody1_s390.deb
      Size/MD5 checksum:   421318 fe87d6d3664c181e3da123acec565c6c

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/i/imlib2/libimlib2_1.0.5-2woody1_sparc.deb
      Size/MD5 checksum:   166128 765676ea4c0755eeb95bee7f8eebd980
    http://security.debian.org/pool/updates/main/i/imlib2/libimlib2-dev_1.0.5-2woody1_sparc.deb
      Size/MD5 checksum:   434668 c343afb55a57309a3b4d402c26058d01


  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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