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Category:   Application (Generic)  >   libpng Vendors:   libpng.sourceforge.net
(Debian Issues Fix for libpng3) libpng Image Height Buffer Overflow May Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1011852
SecurityTracker URL:  http://securitytracker.com/id/1011852
CVE Reference:   CVE-2004-0599   (Links to External Site)
Updated:  Nov 4 2004
Original Entry Date:  Oct 21 2004
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A buffer overflow vulnerability was reported in libpng in the processing of images with excessive height. A remote user may be able to execute arbitrary code on the target system.

Debian reported that a specially crafted image may trigger a buffer overflow in png_read_png() in 'pngread.c'.

Impact:   A remote user may be able to execute arbitrary code on a system that uses libpng.
Solution:   Debian has released a fix for libpng3 for the stable distribution (woody) in version 1.2.1-1.1.woody.9 and for the unstable distribution (sid) in version 1.2.5.0-9.

Debian GNU/Linux 3.0 alias woody:

Source archives:

http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.9.dsc
Size/MD5 checksum: 583 a11e8a7d236ca98e6581b6066a35c7f9
http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.9.diff.gz
Size/MD5 checksum: 10791 a68eee4690473d8402743f30d431db4d
http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1.orig.tar.gz
Size/MD5 checksum: 493105 75a21cbfae566158a0ac6d9f39087c4d

Alpha architecture:

http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.9_alpha.deb
Size/MD5 checksum: 276634 dc9d30c7bb1213bf339e96a9d9b4c4ad
http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.9_alpha.deb
Size/MD5 checksum: 133666 1441a7afe56c6d0b01c09b635026a2b4

ARM architecture:

http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.9_arm.deb
Size/MD5 checksum: 247780 97f36aa3e35547e3b095999fcf3fb694
http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.9_arm.deb
Size/MD5 checksum: 112314 2f5c3fe3190ce8d52836cfe682236cbb

Intel IA-32 architecture:

http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.9_i386.deb
Size/MD5 checksum: 233356 480296fd503d8de105716bca44c59136
http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.9_i386.deb
Size/MD5 checksum: 110678 60cbe7dcb206efcc95add2e83b1e06e5

Intel IA-64 architecture:

http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.9_ia64.deb
Size/MD5 checksum: 279022 22c86cf1b67c6a1d162eb42a9202a237
http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.9_ia64.deb
Size/MD5 checksum: 151874 82e6a6772fe5506c93cb90c52de2891e

HP Precision architecture:

http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.9_hppa.deb
Size/MD5 checksum: 269872 036ce4ca8f8934b00d4b2af6f05ff552
http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.9_hppa.deb
Size/MD5 checksum: 133022 ee3c8bb4e5b820be62d1efd8c708559c

Motorola 680x0 architecture:

http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.9_m68k.deb
Size/MD5 checksum: 226502 8ba581615baf0983b2e86c2b9ccfc187
http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.9_m68k.deb
Size/MD5 checksum: 107094 7923c57162269188601cb00763465584

Big endian MIPS architecture:

http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.9_mips.deb
Size/MD5 checksum: 247200 0aa9e85a752c4759a43c591a97655208
http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.9_mips.deb
Size/MD5 checksum: 112508 5fa27ff5c3bef5f58be7337468c21f76

Little endian MIPS architecture:

http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.9_mipsel.deb
Size/MD5 checksum: 247134 f1b8922fff3d7ae70201b07697c97a92
http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.9_mipsel.deb
Size/MD5 checksum: 112416 eea654666ee8a3402f3bd3af95bdbfe3

PowerPC architecture:

http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.9_powerpc.deb
Size/MD5 checksum: 240886 9ad9c699045cea5f31c9e49ef8625583
http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.9_powerpc.deb
Size/MD5 checksum: 113642 763d6a6a326a7fcb81d94ad630594aee

IBM S/390 architecture:

http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.9_s390.deb
Size/MD5 checksum: 235188 c94798e9f884e98276544afbda776a10
http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.9_s390.deb
Size/MD5 checksum: 113662 f0d50c1b3b29347e0cc36a6eee2171f3

Sun Sparc architecture:

http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.9_sparc.deb
Size/MD5 checksum: 237942 17fbcdce55e78974c9cc0d6003905e92
http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.9_sparc.deb
Size/MD5 checksum: 114004 57b22ae95161928ff01797cb823efdfc

Vendor URL:  libpng.sourceforge.net/ (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.
Oct 21 2004 libpng Image Height Buffer Overflow May Let Remote Users Execute Arbitrary Code



 Source Message Contents

Subject:  [SECURITY] [DSA 571-1] New libpng3 packages fix several vulnerabilities


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

- --------------------------------------------------------------------------
Debian Security Advisory DSA 571-1                     security@debian.org
http://www.debian.org/security/                             Martin Schulze
October 20th, 2004                      http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : libpng3
Vulnerability  : buffer overflows, integer overflow
Problem-Type   : remote
Debian-specific: no
CVE ID         : CAN-2004-0955

Several integer overflows have been discovered by its upstream
developers in libpng, a commonly used library to display PNG graphics.
They could be exploited to cause arbitrary code to be executed when a
specially crafted PNG image is processed.

For the stable distribution (woody) these problems have been fixed in
version 1.2.1-1.1.woody.9.

For the unstable distribution (sid) these problems have been fixed in
version 1.2.5.0-9.

We recommend that you upgrade your libpng3 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/libp/libpng3/libpng3_1.2.1-1.1.woody.9.dsc
      Size/MD5 checksum:      583 a11e8a7d236ca98e6581b6066a35c7f9
    http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.9.diff.gz
      Size/MD5 checksum:    10791 a68eee4690473d8402743f30d431db4d
    http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1.orig.tar.gz
      Size/MD5 checksum:   493105 75a21cbfae566158a0ac6d9f39087c4d

  Alpha architecture:

    http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.9_alpha.deb
      Size/MD5 checksum:   276634 dc9d30c7bb1213bf339e96a9d9b4c4ad
    http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.9_alpha.deb
      Size/MD5 checksum:   133666 1441a7afe56c6d0b01c09b635026a2b4

  ARM architecture:

    http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.9_arm.deb
      Size/MD5 checksum:   247780 97f36aa3e35547e3b095999fcf3fb694
    http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.9_arm.deb
      Size/MD5 checksum:   112314 2f5c3fe3190ce8d52836cfe682236cbb

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.9_i386.deb
      Size/MD5 checksum:   233356 480296fd503d8de105716bca44c59136
    http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.9_i386.deb
      Size/MD5 checksum:   110678 60cbe7dcb206efcc95add2e83b1e06e5

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.9_ia64.deb
      Size/MD5 checksum:   279022 22c86cf1b67c6a1d162eb42a9202a237
    http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.9_ia64.deb
      Size/MD5 checksum:   151874 82e6a6772fe5506c93cb90c52de2891e

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.9_hppa.deb
      Size/MD5 checksum:   269872 036ce4ca8f8934b00d4b2af6f05ff552
    http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.9_hppa.deb
      Size/MD5 checksum:   133022 ee3c8bb4e5b820be62d1efd8c708559c

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.9_m68k.deb
      Size/MD5 checksum:   226502 8ba581615baf0983b2e86c2b9ccfc187
    http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.9_m68k.deb
      Size/MD5 checksum:   107094 7923c57162269188601cb00763465584

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.9_mips.deb
      Size/MD5 checksum:   247200 0aa9e85a752c4759a43c591a97655208
    http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.9_mips.deb
      Size/MD5 checksum:   112508 5fa27ff5c3bef5f58be7337468c21f76

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.9_mipsel.deb
      Size/MD5 checksum:   247134 f1b8922fff3d7ae70201b07697c97a92
    http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.9_mipsel.deb
      Size/MD5 checksum:   112416 eea654666ee8a3402f3bd3af95bdbfe3

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.9_powerpc.deb
      Size/MD5 checksum:   240886 9ad9c699045cea5f31c9e49ef8625583
    http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.9_powerpc.deb
      Size/MD5 checksum:   113642 763d6a6a326a7fcb81d94ad630594aee

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.9_s390.deb
      Size/MD5 checksum:   235188 c94798e9f884e98276544afbda776a10
    http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.9_s390.deb
      Size/MD5 checksum:   113662 f0d50c1b3b29347e0cc36a6eee2171f3

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.9_sparc.deb
      Size/MD5 checksum:   237942 17fbcdce55e78974c9cc0d6003905e92
    http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.9_sparc.deb
      Size/MD5 checksum:   114004 57b22ae95161928ff01797cb823efdfc


  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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=cHt6
-----END PGP SIGNATURE-----


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